HOW RADIATOR VALVES WORK AND HOW TO SET THEM - TRV/Thermostatic
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- เผยแพร่เมื่อ 1 ต.ค. 2024
- How radiator valves work and how to set them. TRV's or Thermostatic Radiator Valves have numbers on the sides that correlate to the temperature in the room...not the temperature in the radiator. In this video explanation, I demonstrate this common misconception. Show this to any family member who keeps playing with the radiator valves. Properly explained!
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Fantastic video. Should be compulsory viewing for all UK Home owners.
showed this to the wife and kids, next day all the trv's turned to 5...FML
The Honeywell ones at my old house could be recalibrated........
@@sorencoppard6386 Most can. Also, most can have limits set - so they can't be turned beyond a certain point - such as higher than 3 and lower than 1.
@@millomweb My plumber didn't even put them on straight. I had to use a pen mark on the top to see when fully open / closed.
@@rtyrtyrtyus Reposition them then !
You mean the indicator mark is round the back ?
Unscrew the head and refit. Some heads will fit in any position others at 45° intervals.
Just back off the head fitting screw enough to let the head freely rotate.
Some heads can be dimantled so you can set limit pins to set your own min & max.
I was today years old when I figured out how my thermostat (TRV) worked. Thanks for the great explanation!
That’s really well explained and well presented, I think we’re all a little wiser, excellent 👍
Thanks guys!
@ThePhilandPam.. You two keep popping up in various comments sections of other content creators to whom I subscribe. Just curious as to why? I've got an excuse.. I'm just trolling James. He doesn't dunk his bourbon cremes until ultimate crumble-point.
loafer sheffield Hi loafer I hadn’t really thought about it like that, I think we always pop up between projects when we can get a bit done on videos and can catch up with everyone we follow and everything that’s going on TH-cam. We’re just waiting on this last project going through at the moment, it always feels like ages and we can’t move on anything new until it completes 😀👍
No it wasn't - he was forever fiddling with it - precisely opposite the point of the video !
Thanks it was really helpful
That's great. Now do a tutorial on how the indicator lights on a car work and how to activate them. This will benefit many drivers.
Oi! You're not referring predominantly about women drivers are ya? You sexist, misogynistic, patriarchal oppressor! If you are, can I join your club. ;-) LOL!
Even the most obstinate woman will still try and argue that you have got it all wrong. Even though you fitted the new boiler and removed the manipulative wheelhead valves for fitting trv's, they'll still ramp 'em up to max.
Worse still, they will dial down the target temperature of the heating flow at the boiler, (on days when there's a 2 foot covering of snow outside) so that the heat exchanger gas modulates down or turns off entirely. The boiler will continue to cycle..on, off..on, off/ fire up-> modulate down-> go off-> fire up-> mod down- go off ad infinitum, which is not efficient at all. Then, with their next breath they'll boom, "turn that light off, we're not made of bloody money!" Like some modern day version of Air Raid Warden Hodges from Dad's Army, but with female logic, on speed and with pre-menstrual tension.
Aaaargh! (Loafer)---------------------> pub!
As a BMW driver, I refuse to learn how indicator lights are. Tyvm.
Learning to use indicators will help *pedestrians* too.
I am sick and tired of how many drivers only bother to use indicators when they see other cars on the road, when people crossing the road (and cyclists too) are looking not just for the presence of cars, but also looking at the indicators to know where they are going.
Indicators aren't just there for other motor vehicles. *Always* use them.
I’ve always had a understanding how it works roughly but this really set it in stone and it’s great looking how it actually does it’s job for better understanding. Thank you James 🙂
Another great video. I love the quality of your camera and what all you are doing!!!
Thanks dude! It's good to see what you guys get up to in the states!
Love this video! can you now do one explaining how this correlates to the thermostats and main heating controls. Like if i have the digital thingy set to 28 degrees but the TRV's set to '3'. Then which component takes priority?
The digital thermostat controls the overall heating. The TRV controls the heat input to the radiator. Since TRV 3 is probably less than 28deg, the heating will stay on until 28deg but the TRV will shut off that radiator before 28 deg. If the digital thermostat is at 10 deg and the TRV is at 5, approx 30deg, the heating will shut off at 10 deg even though the radiator valve will be open. THe TRV room will never reach 30 deg.
@@eizabeth1692 Thanks for this reply Eizabeth, very useful to know. I understand that each TRV is waiting to allow hot water into the rad, based on the TRV setting. With this being the case does the boiler need to be permanently on, so delivering hot water around the system all the time, in case a TRV needs it. Where as a room thermostat will switch the boiler off when the stat senses the required temperature.
even knowing how the valve works it's still awesome to see the valve work in action, watching the flow of water slow down till it stops as you are heating it up is very cool. love your videos, as i have just finished learning beside a plumber and now on my way to work solo, your videos are very useful.
I've just moved from a freezing cold flat to a house that actually stays warm and was wondering why the radiators weren't heating up clearly the rooms are warm enough and don't need to be on.
This is explained perfectly now I understand completely
Great info, thanks for the full explanation I learned something here... Also its great to see Bradley Cooper taking time out from filming for this. :)
This fella is bang on, explains things so easily, which I've just shown a Tennant an she understood straight away
Hi. Nice demonstration. If all TRV in rooms have reached lets say desirable temp of 20 degrees, does it mean that boiler will shut off even if the room thermostat is set to.let's say 23 degrees?
You missed the part where THEY DON'T FUCKING WORK. Useless devices made to save you money when in the end they fall apart after about a year and the plumber call-out to put the radiators back the way they were costs you more than the cost of living in a cold house for that year. They slow the heating of a room...working on a valve system, slowly closing as the room warms up...so obviously the room will get hotter slower with these things fitted...and this is the reason why people shove them up to 11 whenever the person who paid to fit them leaves the room.
Hi James, thanks for your great vids. Do you have a Pilot's Licence ? I noticed you have an aeronautical chart on your wall.
david cassidy hi David. Watch my other channel @timeswithjames on TH-cam to find out!
It frustrates the hell out of me that folk turn them up full to heat the room 'faster'.
Think about it, these valves are so near the hot radiator! Best idea, mount them HORIZONTALLY. If they are vertical I put pipe insulation on the pipe underneath. I also put some insulation between the valve head and the radiator.
We're an agency and this is such a helpful video to share with our tenants, (especially those in house shares). Keep the basic knowledge videos coming please!
digital ones need 1 minute, only the most expensive analogue danfoss 10 minutes, otherwise 20 minutes
coolio
Good vid. My granddaughter's thermo valve is behind her bed. Now I know why the rad didn't work to good.
Could do with a follow-up video on TRVs in conjunction with a room thermostat, best placement for a Nest, etc. For instance, my Nest is in my living room which has two big rads and warms up quickly, but my bedroom is usually too cold. When the heating's on, the temp goes up to the Nest setting and shuts off, but the bedroom hasn't warmed up yet, and the air brick cools it down too quickly. So, do I whack up the temperature on the Nest and tweak down the living room TRVs to give the bedrooms a chance? Do I move the Nest? If I put it in the bedroom, the motion sensor will think I'm out all day and put the heating on eco! Confused...
I've leant a lot from this. I'm still a bit unsure about how these TRV's work alongside the main thermostat control. I always keep my thermostat as low as possible to try and save money, and when it reaches the temp the whole system goes off. So, why do you need TRV's? unless you want different temperatures in different rooms. Why does it matter if all TVR's are set to 5, if they'll all switch off when the main thermostat reaches the set temp?
Please stop being an entertainer/ personality. Your vids are good but the “banter” is a battle to get through
One of the best explanation I have ever seen. Well played James
Cheers smart tech brudder!
At last, a thorough explanation of a TRV. Won't forget that now. Thanks.
A lot of people get suckered into "smart TRV's" not realising that the TRV's they already have will do the same job. 95% of people just want their radiators to shut off at a set temperature. If that's you, don't buy a smart TRV!
Yeah and they buy HIVE smart trvs at £50 each almost, per radiator, which can be done manually with your current radiator dial. Set it and forget it.
I had no idea these things were actively sensing room temperature.
30°C ?? Who the hell would heat a room into that temperature ? It's already a nightmare in summer when having 30°C in a room let not speak in winter. I always knew how it works and despite saying it to my office coworkers they keep on pushing all the radiators at the maximum level. A true nightmare.
Great video James, your informal style makes learning fun and demystifies the world of plumbing. Yes please more videos on plumbing basics
Will do guys!
Your Videos have been invaluable, and gave me the confidence to do some necessary housekeeping on my system. I have found a few tricks, that if you think are sensible to make videos on, would be appreciated: Tip/Vid 1: To find the last RAD, (Which you will drain from), open all Lock Sheer valves and TRV's fully, including downstairs, heat the system up for a 1 hour or so, and the last Rad should be cold. I found this out btw after I had done my work, but doing it before will help I think. I labeled it "Last Rad". Tip/Vid 2: When replacing a 3 port valve, always set the old valve you are replacing to "M" this will make sure you take the top water from the cylinder out of the system when you drain. Use some LS-X silicone around the original olive when replacing, I left it 12 hours to cure , so wrap up warm! and so far...after refilling (touch wood) no leaks. Tip/Vid 3: After you have refilled the system, and you have bleed from downstairs to up, worth advising if you are cleansing the system first before inhibiting, is to close the last RAD valve before refilling contrary to your advice , then follow the bleed process.... that way you don't loose the cleaner. It meant more bleeding, but I'm confident it's in the system for a few weeks before I do the whole process again to then add inhibitor. Lastly add to that, keep the ball cock open in the header tank, as if that drops significantly whilst your bleeding air, you will suck more air in, I heard it filling all the time, but was paranoid about the level going too low. Anyway thanks again for your vids.... they are amazing and will subscribe...I'm no plumber!! but there is NO WAY I would of done this task with out your great vids !!!..
But if you have your heating set to manual, and have set your favourite temperature on your zone controllers, the TRVs should all be left fully open, right?
No. TRVs should be either set to max preferred temp or preferred temp. That way you control the room temperature with the TRV as this will control individual rads. If you have single rad zone and electric thermostat, don't fit TRVs.
So am I right in saying that if you walk into a room and the room is hot and the radiator is still hot, that means you should turn the TRV down? Also, how do these TRV,s work in conjunction with the wall thermostat in the hallway?? If the wall thermostat in the hallway is set to say 21 degrees but the rooms are still cold, do the TRV,s on the radiators over ride the wall thermostat in the hallway and keep the boiler running until the rooms are warm?? This is what’s really confusing me 🤔
Answer to question 1 - yes, turn it down if the room is too hot for you and the radiator is still on. But just turn it down a notch or two.
Question 2 - the room with the thermostat should not have TRVs in it. Although this is slowly going to go out of date with the more widespread use of Tado rad valves etc.
Hope that helps! James.
Hi but how do you install a trv? Put it on 1 then screw on or set to 5 then screw it on?
Do you think having a sofa up against the radiator (and in turn the trv) would stop a trv from being able to accurately gauge the ambient temperature?
You need to understand the room's air flow. If the trv's near a door letting cooler air in, the radiator will be hotter than it should be.
1:40 in and the question has already been answered for me. In all my years I've never known how TRV's worked, Thanks!
Do TRV’s expire/become less effective with age? Just thinking the ones I have are about 20 years old. Are they also interchangeable or do you have to change the valve body as well as the head?
Change both. They do wear out in the end they just won't turn off. Do try and make sure the trv head is fully screwed down though as that can cause it. Turn it to its highest setting and tighten it down.
The reason they expire is the pin inside that pushs down and closes the valve sticks and stays pushed in as they get old,Best to change the whole thing (Complete valve top & bottom)
@@nineteen-sixty-nine9373 if the pin is stuck just get some pliers and move it up and down till it works itself free
They usually creep warmer over the years but most can be internally adjusted to compensate. Stuck valves can be another problem - tends to happen where one has been screwed shut for a long time. Better to turn a rad off for unused rooms at the other end valve.
If you're lucky, stuck valves can be freed without removal.
The TRV is so close to the radiator that it can only controll the temperature of the radiator.
To sense the room it would need to be a long way from the radiator.
The tests done in this video just confirm that it does not sense the room but the temperature in its vicinity which is that of the radiator.
You know what I had never thought of that but that is very logical.
So you know better than all the companies that design these things do you? They DO control the temperature in the room NOT the radiator despite where they are placed. If you actually had these on your radiators you would know that smart arse.
I would have thought it better if the TRVs were projecting horizontally from the radiator. Then they could not be influenced by the convection current of the pipework below them. That would give a better representation of the room temperature.
Brilliant demo James, and close to my heart. So many switch between 5 when they are cold and back to 0 when they get too hot! This should be part of the National Curriculum!
True
i think you made it so easy for every body great explanation loved the video.
Thanks!
*Anyone else follow TimesWithJames? If so, do you enjoy it...and why?! Comment below....*
plumberparts Great videos packed with info . I like your trip ones but also the daily vlogs are good . Work , drone , flying and publife are also fun . Just more often would be good !!!
Always watch time with James.....the learning to fly was great....keep up the great vids pal....#holdtight
@@Gixer750pilot Haha! Should have another one out tomorrow. It's just crazy hard juggling it all!
@@garymalia7363 Cheers dude...got two exams in a few weeks!
plumberparts appreciate the work that goes into them and you are a self employed plumber so must be very busy . At least two days a week 😂
1. Thermostatic valve should be mounted horizontally...
My radiators seem to click and make noises when heating is turned on. What could be the issue?
Do I remember Knightmare???
D-I-S-M-I-S-S
LOL... Hold tight
Great stuff. I've made it to nearly fifty without really understanding how a radiator works. My eyes have been opened, thanks PP :)
Excellent video. Acting was first class and the use of extras and props kept this audience member on his toes. The will he/won't he be able to borrow the heater had me on the edge of my seat. My only complaint was the speeding up of the 18 minutes, one of cinema's great losses.
Very well explained, thanks.
Good video had them all on 5 (max) for years hopefully the lower settings will save a little on the bills
so if it cold ,where the water goes? just circulates in the system? and when it get hot locks in radiator?
It stores in the expansion vessel in the boiler
So why don't they just print temperature numbers ongo the TRVs instead of an arbitrary scale?
EDIT: apparently it's because they cannot guarantee precise enough temps. OK, makes sense.
I LOVE THE WAY OF TEACHING AND SHOWING US THE MECHANISM OF THE THERMOSTAT. and we can swap the trv and instead this? because my room is very cold. i don't like this trv.
Brilliant demo. But, you are wasting your time, women are retiles/snakes, got NO blood. My wife says she's cold, so I get a thermometer, place it on the settee where she is laid, guess what? 25 deg C. I'm boiling my balls off in the coolest chair in the room....give me strength!!!! Always love your videos, peace and goodwill.
Loved showing my wife this, despite her saying "yes i know" during it 😆
Great video as normal, but I do have one question/inquiry.
While I understand how TRVs actually work, my question is more about the main thermostat itself.
I only have one radiator in the property(bungalow) without a TRV fitted, this being the bathroom and I have a wireless thermostat.
What is the best set up for this?
I currently have the wireless thermostat set to 21c in what we'd say is the coldest/longest room to warm up(the main bedroom) with the TRV opened up to Max (5).
All other rooms have the TRVs set to around 2 - 3 depending on rooms.
Is this correct, if not what would be a better set up?
Any help would be grateful
Ok, so that's how they suppose to work, but what about all the very high heat coming from the radiator, and its base, pipe, everything sending heat to the trv EXCEPT THE ROOM
water in my system is 90C. 4 my valves produce very loud noises, like someone hammering onto pipes. if little turn valve noise gone but return next day. do i need to replace valves?
TRV always so slow
Very very knowledgeable and eye-opening video.
Glad you think so!
Use the range limiter pin in the TRV for wife proof heating. My TRV's now won't go above 20°C. 😏
Not good enough, pal. Women will figure out a way of removing the range limiters. Even the most obstinate missus will still try and argue that you have got it all wrong. Even though you fitted the new boiler and removed the manipulative wheelhead valves for fitting trv's, they'll still ramp 'em up to max.
Worse still, they will dial down the target temperature of the heating flow at the boiler, (on days when there's a 2 foot covering of snow outside) so that the heat exchanger gas modulates down or turns off entirely. The boiler will continue to cycle..on, off..on, off/ fire up-> modulate down-> go off-> fire up-> mod down- go off ad infinitum, which is not efficient at all. Then, with their next breath they'll boom, "turn that light off, we're not made of bloody money!" Like some modern day version of Air Raid Warden Hodges from Dad's Army, but with female logic, on speed and with pre-menstrual tension.
@@loafersheffield 🤣🤣🤣
Thank you, very informative. Need more videos like this. All Gas controls, safety shut offs, etc. Keep up the good work.
I'm guessing if the room temperature is warm (21c) and the TRV is set to 1 and the radiator is always hot then the TRV is knackered?
Bloody hell I never knew that’s how they work. my bedroom one is always getting whacked up and down. See my house is rented the all radiators have different style temperatures valves attached. I have also had smart hive now. do I go off the thermostat from the hive and try and sync up the separate radiator valves (after I look into what models they are)
p.s 90s were the best years 👌🏻
ah the 90s. Kinda hated them at the time, but who thought that it would actually just get worse. And motormouth. Remember motormouth?
really good video, thank you BUT in the interest of fairness can you do a follow up video in your cold area but this time with boiling water running through the pipe/ TRV fully open with the heat rom the hot water in the TRV rising to demonstrate /prove the heat from the hot water doesn't cause the wax to expand and close the valve. thanks john. ALSO please comment on; recently in the news there have been an increasing number of occasions where a PEN electrical supply cable has failed, removing the suppliers Neutral conductor so the incoming live connects to the earth to find a return path so everything continues working BUT any metal work now becomes live, in one case a substantial amount of current trying to get to earth, went through the gas meter, the heat caused the gas to ignite and blew up the house. so as well as connecting main bonding to the customers side of the meter we should probably also extend it to the incoming side of the gas meter if the gas supply pipe is not yellow poly
Do these TRV's rely on your heating always being switched on? Please clear up any misconceptions I make but if your heating is switched off and the TRV detects the room is cold it will allow more water flow into the radiator, but won't that water be cold if your heating is not already switched on? Would it only benefit once the heating system was in use? I ask this because obviously not many households will have their heating on 24/7.
Great video, really helpful
So ive got a boiler that turns off when the room gets to a predefined setting- yet my rads have TRV’s- is it therefore pointless having the TRV’s on anything other than 5 if the boiler is doing the work the TRV’s would be
Waht 🙉🙉 !! Always thought they Wark like a tap controlling the volume of water flow.. didn't know they are smart and shutt water at desired room temperature. Magic 👍👍👍👍
Top video mate. How can we work work out how open the Lockshield should be in conjunction with the TRV? Feel like I'm always having to p1ss about with them both.
I've told my family that central heating systems look after themselves and not tot fiddle with the controls, time and time ( and time ) again. Do they listen? Na!
Her, who shall remain nameless, even turns the 'stat down if it gets too hot in the summer, when the boiler isn't running. To cool the room down, would you believe?
Consequently, Thermostats are ineffective if they are accessible to the layman/woman.
I have a bump on my head and permanent brain damage from constantly banging my head against a brick wall.🧱💥🤕✨🥴 Any sympathy would be well appreciated. 😎👍
You're my number 1 go to guy for for all this plumbing shit. LOVE YOUR WORK
would make so much more sense (and obvious to people what's going on) to have temperatures along the dial instead of arbitrary numbers.
As a plumber I have had many a discussion on why two radiators in the same room both set the same but one stays hot longer than the other. My explanations range from the valve being in a restricted air space, behind curtains, furniture or other objects like coats hung on the end covering the valve. I also explain that a radiator on a outside wall or under a window may detect cooler air from outside than a radiator on an inside wall. draughts from windows, doors and vents add to this problem. The position and setting the valve can also be a factor, horizontal or vertical will give different readings which is made slightly worse if the valve is feeding the top of the radiator instead of the bottom. A top inlet vertical valve picks up the heat coming off the supply pipe where horizontal valve is not is not in the direct air flow. The last thing is certain valves come setup to be fitted as a horizontal valve and if fitted vertically they don't work properly. On some of these, on the valve body there is an adjuster with arrows showing the direction of flow. (Danfoss valves were the first I noticed set to be used horizontal) A couple of symptoms of this can be knocking and/or premature closing and late opening on temperature rise and fall.
I would love to see you set up some experiments to show these effects.
Dont buy Kudox. I bought 5 Kudox radiators from Screwfix for a new central heating install in my house 4 years ago; these radiators have a 15 year guarantee. One of the radiators has started rusting from the outside at the bottom rim. I applied to Kudox for a replacement but they just said it was my fault, that I had damaged it on install which is total bs. So the guarantee is worthless. Don't buy Kudox folks.
1:50 I think you forgot to do all the buttons up on your jeans!
Filthy sod....shouldn't be looking!
Need to look now, 🙃
Most useful thing I’ve learned for ages. Thanks
Didn't think Bradley Cooper would know so much about TRVs.
If your heating system is adjusted by a control rad(Always on/Usually in hallway) in conjunction with a room thermostat (In hallway) Then some other rooms may be colder or hotter depending on room size, radiator size and thermal properties...etc And will only shut down the heating system when the hallway reaches the temp set at the thermostat.
If you set your hallway thermostat to 21 degrees C because that temp suits you and say another small box room heats up a lot earlier than your draughty hallway, then you have the option to dial down the TRV in the box room, which stops feeding the radiator hot water at a set room temp rather than it carrying on heating because the hallway hasn't reached its 21c cut off. The valve above states 20C at position 3, so a tad more than 3 may be your personal setting for that room. This is where TRVs are most useful, especially at night when the family go to bed and each individual can set temps to their comfort levels.
On the other hand, as I said most (if not all) domestic houses situate their thermostat and control rad in the hallway. This can be a problem if your most commonly used room, living room for example, is larger, has an inadequately sized radiator or less insulated than the hallway. This means you may have to set your hallway thermostat well above 21c before your living room reaches 21c. So you end up overheating the rest of the house if you don't have TRVs to compensate, costing you a lot more in heating bills.
I've been in two properties where the above is a pain, even though they had TRVs. One was a tiny hallway about a meter away from the thermostat, so the whole heating system would shut off way too early to heat the other rooms, , and the other had an undersized living room radiator so both never got to desired temp without setting the hallway thermostats to nuclear meltdown settings. In both cases I relocated the thermostats into the living rooms and kept their perspective radiators on highest settings to act as the control radiators. One was easy as it worked over Wi-Fi and the other was nicely wired to the back of the living room so just had to drill and push wires through and reconnect. Seems more sensible to put them in the most commonly used rooms to me.
Thank you so much for your fun video which I hope will help me finally explain TRVs to stop people turning them up to 5 and leaving in an enjoyable way. :)
Haha! The never ending battle of the heating system! 😂 Glad it’s helped.
well explained thank you
Very useful video. I have a question:
We have few radiators that are still hot on the top when the thermostat valve is on the lower setting or actually on the off setting.
I bought digital thermostat to see if the valve is the problem but still do the same thing. The thermostat is set at 10 degrees, the room is at 23 degrees and the radiator is still hot, but just the top.
Even when setting to defrost its still kind of on on top, even tough the room is 23 degrees.
The house was made in the 60's and we have district heating.
Do you think you can give me any clue on how to fix this?
Great video! Thanks!
No worries!
Thank you. My first time in UK and I had no idea what these are. It was dumber to ask people about it. In East Asia we just have digital remote control that regulates everything.
Hi there,
I have a tall 5 bar grey rad in my hall,but the left side doesnt get as hot as the right,is it ok to fit auto bleed valves to both sides? Not sure if there is a partial blockage at the bottom( may take off and blast it through...) seem to get air out in bits,but not losing boiler pressure. Can air be generated by to high boiler temp? Many thanks,Richi.
Hi o have a question .I have 3 trv 11 peglar terrier valves. All 3 don't seem to move the thick plunger down until I turn to no 1 or less. The plunger are moving . How high should they come up is it possible all 3 are stuck and can't rise up higher. Thanks John
Thank you so much for this. The numpty who fitted my radiators told me the numbers just effected the flow in to the radiator. I've set them all to 3 and will tweak it when it gets cold tonight.
That’s my boy! 👏
Hi. My radiator has corrosion and leaking. I’ve shut off the ordinary valve but the TVR only goes as far as frost mode. Any ideas?
Brilliant - thanks for that 👍 (and I remember knightmare- used to love it - I was sure I could have done it better though...)
Who are the 134 people that disliked this?!
James' videos are brilliant, I learn from him all the time, and he makes them so enjoyable.
There's some right miserable pricks out there!
I'm in London. It's too cold here.
Can we use a similar technology to heat up our coats/jerkins/jackets?
Great video. Even though we don't have radiators in Australia, I still love watching these "rad" radiator vids
Haha! Thanks man...hope you check out my latest TimesWithJames
Greetings from ALBANIA 🇦🇱
TRV should be conected on the left of the rediator or right or it does not matter which side?
"Leave it alone!" *fiddles with it CONSTANTLY and only allows it to turn off at the highest setting* 😜
How to properly professionally ballance a wet hot water radiator system with combie boiler.... Indebth details please next video
Ok, this helps a bit, but we are still not in cigar territory. First off, what's the relationship between the temperature setting on the thermostat and the setting on the TRV? For instance, does it make any sense to set the thermostat to 18 degrees but the TRV to 5? From the video I am getting the sense that no, but I am not sure. Second (and this is the fault of the industry, not the video), but who on earth is best served if the TRV settings are just numbers, whereas the thermostat setting is in degrees Celsius? Third, and perhaps most fundamentally, it is still not clear to me why on earth we need thermostats on the wall when we have TRVs by the radiator. Why does a room TWO temperature regulation systems? It seems like we are begging for them to have a fight! Actually, come to think of it, there are probably three such systems, if you consider that most people also have timers on their boilers...
Hi, I've got a TRV I'm just wondering what is E.74 on the TRV? as my TRV has it on, many thanks, as I don't know what it is and what it's used for
Q, Hi, on my CH HW potterton 2002 system with the HW turned on (slider on timed) and the CH turned off (slider to off) some of the radiators still come on, valves on radiators are on number 4, have any ideas, thanks.
Fantastic video, if only I could get my other half to believe!
The battle is never over...
Thermostatic radiator valve is not a panacea for reduced energy costs. Explain also what happened (and the solution) to your Heating boiler and your circulator when you ask less temperature from your radiators.
Understood but if you want a room cold the flow will be stopped. How does the hot water reach the next radiator in the room next door which you want hot. To give an electrical analogy, in series cut one cut them all. In parallel cut one and all the rest continue.
If you turn TRV off..can hot water go to the next radiator in other room..
I just want to turn few radiators off..to save energy..? Thank you
Absolutely brilliant, mate! A video like this should be a link to on the front page of the manual for every bloody central heating system in the world.
Cheers!
+1 for Live and Kicking and Knightmare too! Happy days! ^^
thank you that explains it, but mine is 11 yrs old, I think trv is faulty as it shuts off at 3, and it is very cold. 4 works and my thermostat is on 45c