Diesel Heater New Type Controller
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- เผยแพร่เมื่อ 5 ต.ค. 2024
- After installing my Chinese Diesel Heater I found the LCD screen was different to the common one shown on TH-cam. Instructions were not very clear so I went through all button combinations with help from the instructions I had to work out what buttons do what.
While there is no clock display on this LCD screen, timers are quite accurate when times are set.
For 2 years i have been cooking in my van, always set temp but had it on manual mode, temp would go up to 30c + but now in automatic mode i set temp to say 15c its comfortable even though goes a little higher, great video thank you
Thanks for making this video. some great info that's almost impossible to get from the manual.
This is absolutely helpful information I thought my controller was broken turns up I didn’t know how to properly use it looking at other videos I was getting wrong information because the controllers looked identical again thank you so much now I can sleep at night ;)
had totally same issue, happy to go retry in the garage tomorrow and make better use of it
Thanks for posting this video. I’ve been researching diesel heaters for a few weeks and I finally decided to buy one. I received and hooked it up and the controller was abnormal. All of the videos I saw in the past were of the old controller. Thanks again for this video!
Like so many others here, your presentation was absolutely helpful. It helped that you illustrated the difference between the earlier controller and the one I now have. Before, I was looking for the signal bars that no longer exist on the newer controller. Your steps worked perfectly, even for my second controller. I really think they keep changing up these controllers to keep us foreigners constantly confused! Good job!
If anybody finds out how to change the pump and fan parameters pleace share the info! Really great video!
I guess we can't set pump frequency anymore... and even though it has a temperature setting, it will never actually turn off when it reaches the temperature you set. Appears to just go down to it's lowest pump setting that appears to be 2.0 hz. ...Off to buy an old style controller while I still can.
@@trevor.hJust bought this stupid controller and spent all that money on a new board just to find out I can’t change pump speed
I hate this controller it's sucks the that's not get hot like the last one its l blows warm air
Can we change the motherboard back to the old style so we run the old style controller
@@jeffery6810 what does the old style controllers look like mines red can’t find any information on it. It looks like the piece for the fan and the H is for the pump.❓❓❓😅😅😂
Mate! Right now my young family and I are parked up on the Donegal coast, being battered by a storm.
Your vid just made the difference between me worrying about having to set an alarm; to wake up and turn the heater on and basically getting zero sleep, to just setting and forgetting the auto heater function.
Thanks for taking the time to make this video. I owe you a pint!
At long last, finally stumbled across the one I needed, I really appreciate you taking the time to post this tutorial,in a slow,and repetitive nature,to allow my three brain cells to absorb this valuable information. Thankyou.
Thank you for saving the day I was looking I kept on finding all of the old controller videos and then I seen your thumbnail made my life easy getting the heater going in my semi just installed it last night thank you very much for the video
This video kept me from returning this unit! I was watching similar videos with the same looking display, trying to get into the settings to adjust fuel mixture. Now I know it's not possible ( would be nice) but for now I'll give it a try and see what happens!
The best video I’ve seen for screen information, well explained and didn’t talk that fast you couldn’t understand it.
Thank You.
I just replaced mine heater and the new one has this very controller.
Excellent job showing us how to get around this controller.
Great video
Thanks Mic, knowledgeable information. I've just done a test run in garage and all good. So I'm now confident to go to full boat install. I'll keep watching new developments.
Excellent video, was getting really frustrated with this controller and about to send it back thinking it wasn’t working now it is. Instructions that came with the heater ware not good. Thanks for sharing
Bloody fantastic video. Just installed my heater and was scratching my head on how this control works. You have made a great video that explains things that everyone can understand.
this is the best explanation of hopw to operate this version of controller- been searching for this for weeks- well done- very clearly explained- Thank you!!😊👍👏
Thanks mic, I scratched a lot of hair before I found this…I was following instructions for a very similar looking controller, and I couldn’t prime my new install, until I found your video.
It did worry me, I went back and checked all my wiring etc…..only to find that there were two similar controllers, that work completely differently.😜
Brilliant, there’s no danger I would have got my heater working if it was not for yourself 👍👍
Yes, what I found was the pump changed its pitch after a period of time and I took that as an indicator it was primed. I stopped the pumping and tried to start the heater and it lit right up. All is good. Thanks for the controller review lots of good info there. I was going to use just the manual settings but switched to Auto and I think that will be my go to setting.
Good to hear all worked out fir you
Brilliant! Thanks. After about 3 years running, I finally got an e5 error. Switched to Alpine mode (Alpine? In Australia? 😅) - which I had no idea how to do - and all good. Your showing of the other settings is very much appreciated. Now, to get a quieter flaming pump! 😂
Man this was the best video on using the heater I have seen, saved it so can watch again another time but you made it so easy to callow along. Great work 👏
Thank you for this detailed video, this was a tough one to find. Now I get the controller process and I've saved your vid to share and reference.
Awesome video. On this stuff i prefer an older grown up person who uses a pointing stick to make sure u cant get it wrong. No clickbait easy explanation keep up the good work please ❤
Thank you so much for the video. I was not able to prime the line using the manual or other videos, using yours I was up and going in a matter of minutes.
thank you very much for this. I was pulling my hair out searching the internet for the set up. The book they gave me had the wrong controls. Your video provided all the information I needed to get everything working and and understanding of how to work and navigate the unit. Thank you.
Hi, just want to add, to turn on the timer after youve set timer, hold settings and the up arrow.
Couldn’t pair my remote up for love nor money having fitted several night heaters didn’t realise there was a new controller so thanks to your video it’s all sorted keep up the good work😊😊😊
Don't you find the timer settings more complicated than the other type, basically setting a timer setting using a clock is much easier.
I have this control on the 3rd 5KW all-in-one (red slim case) I bought in January 2023 from VEVOR. The two physically identical heaters I bought before in 2021 and 2022 had what was called "new Blue-style controller" with the elapsed- time. I do not like this control - NOT because it's in any way difficult to use, but because it connects to completely differently-programmed controller!
This controller start-up routine idles the fan super low, and turns on the glow plug. When the plug reaches temp, it does a fan pulse with 3-shoots of fuel from the pump and then drops the fan speed back again. Then starts pumping the normal H3 pump rate before gradually increasing the fan speed to a high rate. This results in too much fuel and white smoke during start up and a fuel smell escaping from the air intake for about 5-10 seconds - until the flame in the burner can be heard noticeably increased and the glow plug goes out. After that, the fan comes up to a mid-range blowing lukewarm air until it reaches operating temp at H3 by default and the blower settles in. At shutdown the glowplug comes back on and the fan is slowed to almost stop - running at idle for about a minute or so - apparently with the idea of allowing the additional the burner chamber to burn off more unburned fuel residue. Then after hearing the exhaust pipe ticking from the heat, the fan finally comes back up to a useable speed to complete the cooldown.
The identical unit with the earlier "New Blue Controller" did not attempt to reach near overheat conditions by virtually shutting off the fan on an already hot burner chamber with a lit glowplug. Instead it turned the glowplug on with the blower going immediately to a high speed until cooldown was completed. During startup, the fan ran at a slow but still functional CFM while the glowplug was on. On reaching ignition temperature the pump was started at a high rate, the fuel ignited and the fan speed was increased to force more air through the chamber. The result was no exhaust backflow and faster operating temperature air discharged from the outlet.
I do not prefer this new style controller at all. However, it is both the controller and controlboard (and possibly the harness wiring) that would have to be retrofit to convert it to the timer-type Blue controller. (Unfortunately this same controller format with "H3" on the display is also being sold in the original blue controller shell! It is not to be confused with the black or blue "00:00" ones!) The start-up and shutdown procedures programmed into this "H3" controller do not compare favorably against the "00:00". This was not an improvement.😠
Not exactly a new controller, got one about 4 years ago and they had been around for awhile then. Just a couple of points to clarify,
1. The temperature reading is from the outside of the heat exchanger housing,
2. The glow plug does not heat the fuel, it heats the vaporizing screen, which, when hot enough, vaporizes the fuel which is then ignited by the glow plug. The fuel has to be vaporized for ignition, not just atomized as some believe,
3. Pairing the remote should be done in standby mode, IE power on, heater not running.
How do I fix the E2 code battery is new 12v charged with 12.3 output
Very Thorough video, just made my life alot easier. Instructions are hard to understand & when I seen the high internal temp I thought something was wrong but now I know that is OK. Thanks so much
Thank you very much, thought mine was broken, finally got it running with your instructions!
Best explanation of the newer controller yet, thank you!
There's now yet another version of these lcd panels and controller boards, and to prime you need to press the top left button 3 times, this starts a countdown for 60 seconds on screen and primes the pump. There is NO advanced settings on the new lcd (1688 menu) so you cant adjust the hz/fan speed. The newer lcd is identified by a 'V' embossed in the rear of the plastic, and is NOT compatible with other controller boards, only those that also have a 'V' on them. The controller boards are red and smaller and seem to at the moment be fitted to 2kw models, but no doubt will find their way in to 5/8kw versions.
Just purchased an all in one Vevor heater hoping to heat my Van for the winter.
This is great information. Can you change C degree to F degree in the settings some place. Thanks for your help.
Not that I'm aware of sorry. These controllers seem quite basic. If I find something I'll let you know
you're a life saver. i got one of these last week and the manual is useless its for the old style.
Thanks, you're the only one on the Tube who knows how to pair my remote control 😅.
Great video. I am doing a video on the new Suitcase heater and it has this controler on it. I am going to refer my viewers to this video as it is so well done. I do have one thing that you missed. When in the H1 to H6 mode, if you press it one more time it will go beyond 6 and display the preset auto temp and it runs in the auto mode. Thanks for the video.
Thanks for the info. I'll check it out
@@2005mic Yes, let us know what you find. I know mine is doing it but we all know that there are so many of these controllers it can be confucing. Also, hope it is okay to link your video on mine..
@@bobamos3628 yes that's fine to link my video. Thanks. Will get to mine next week to check out setting past H6
@@2005mic Thanks. Here is a link to my video. th-cam.com/video/8U-jsLy9uWU/w-d-xo.html
But temp can't be adjusted from there.
Thank you very much for posting this video instruction. I just installed my heater and could not figure out how to set this thing. Just till I came to find out it was a new type, as you described it. Too bad, it does not have a time display but still a good deal. And now I know how to operate it the proper way. Works like a charm.
Do you know by any chance if there are any other type of controllers that are suitable for this heater?
Done a practice run install of my heater today and eventually got the electrics done tonight , however i was trying to prime as in the other videos , so will try this tomorrow.
Thanks for the video
Yeah that’s why I’m stuck at right now
I just had one fitted today and I have the same interface, great video and very helpful. Thank you!
Thanks for this great video. Previously I found a tutorial about the old type. Good man. I appreciate.
Finally the right info for my model, fairly clear explanations but should improve the "focus" of the image, thanks for this video, grazie.
why make two similar looking controls had a mare trying to find out how to prime ... thanks for uploading my Vevor has this type ...
To try and reduce coking do you agree with running it at a lower heat setting (not over H3) and in Alpine mode? To get the combustion chamber staying hotter as there is less airflow over it. I realise the pump speed and fan speed automatically adjust. But what else can we do? Crazy the “new” model doesn’t let you adjust pump speed! I seem to only get 10hr before the atomiser basket in wrecked.
Great video! I’ve been looking and looking for videos on this new controller. Yours is about the only one!
Thank you for this vid I was at a total loss thinking I done something wrong
Thanks Mic, this video helped me with everything the manual did not state to good, but is the auto dim feature an option? My controller does not do that. Do you know if that is an option??
Thank you, good channel.
Have my first heater, you have saved the day; brill
I wish I had found this video sooner... it was super helpful!
Thank you so much for this, i kept watching other videos and could not understand what i was doing wrong, different screen as you have high lighted
Great video Mic, thanks. This is the best tutorial for these 'new' controllers. I got one of these with my '8'kW heater from Vevor recently. It works well but there are some doubts as to the effectiveness of the Temperature control mode in cutting back the burn rate once temperature is reached. There is a secret menu if you long press OK and On/Off buttons. It brings up a 3 digit PIN code screen but so far I don't think anyone has hacked it yet. Someone suggested 168 but I don't think it's right.
Thanks. Yes setting the temp to Auto mode, it does work well just seems a bit slow to adjust to measured temp. I'm working on the code, will update if I find it
These 'new' controllers are a real nuisance. The old one with the 1688 password was a much more customizable controller.
I just run mine on H1-H6 and it's OK. I guess we'll get the code eventually.
@@2005mic it is great. Like my oem Eberspächer it is also slow. No need for fast action at all. It adjust the temp more accurate and is more stepless with the fan.
Any word on the 3 digit pin!? My diesel heater is angry. I have it plugged into a 12volt outlet and it's unhappy. Says the voltage is to high, even though max voltage in manual is 16volt for the 12 volt model.
Thought my control was broken . Your information was a lifesaver there's an awful lot of wrong information about.
Hey thanks allot for the video. I have been struggling to get the timer going and most the videos in TH-cam deals with a different control panel version. Even though they look identical. All the best!
Thanks for the video. I whatched it to make sure i found all there is...i found the timer tutorial useful, thanks. I have this and the "old one" heters... in the old one i could programm the glow plug to take less power in the start up...in this there are less options...allso this timer is more complex, and im a simpel man 😃.
Yes the "old" one has more options. Usually "new" means, more and better, but it doesn't seem that way with this heater controller
I'm curious, is there a way to change from Celsius to Farenheit? Also do you have the code for getting into advance settings? Thank you again for creating this video
Great video. Finally found a tutorial on the controller and remote that I have. Thanks
I live in Colorado at 6800 feet (and regularly camp over 10,000). My Vevor heater has this controller and it ran fine the first couple hours, then started blowing white smoke and threw an E-8 code. I didn't know it had a high altitude mode and it was running too rich. (I did all the normal E-8 troubleshooting, and it wasn't bubbles or the bad green fuel line.) I think I need to clean the heater out and try again, but I really want either the old controller and board where you can set fan speeds for your altitude or something better. One problem is that the new motherboard is not compatible with the afterburner controller.
You can purchase either controller with motherboard from AliExpress.com if you want to change them
Try checking your battery/power supply has enough amperage.......needs at least 15 amps. i think.
@@englishrupe01 I've got a 200ah Lithium battery rated at 100 amps and 12 gauge wire only 5 feet to the heater. If I remember, it only requires high current (5 amps or so) while the glow plug warms up, then it only requires an amp or so for the blower. Thanks for the idea, though.
@@OdegardOnline I would have thought your setup should be good, then. But it definitely needs more amperage than 5 amps. I had a 12v 10 amp power supply fitted and it was not enough. So i changed to 12v 30 amp supply and it's fine, now. I think it needs at least 12 amps. maybe for initial startup. After that, it drops to very little.
@@OdegardOnlinemy unit came with a about 8' of red power wire, and 1' ft of ground. I cut 3' off red lead and soldered it to black wire, to equalize length. Then plugged to my 13.3 volt @ 10 amp cigarette plug. It pulled around 107 watts, then settled down to 30. So it was pulling about 8 amps
Brillent video just what I was looking as most videos are the other controller thanks! :-)
Great video! Makes it sooo much easier to understand. I have a question re: new style controller. Mine has an extra button between settings & ok buttons that looks like a fuel icon - any idea what it is for?
No. Haven't seen that one yet
Thanks for the information.
Does the automatic setting only allow control of the fan speed? I installed one and the temperature just keeps rising until I completely turn off the system.
I have the same question. I set mine to 20C. The van is now at 25C, and running at the lowest fan speed. It doesn't seem like the device ever self shuts off. Can anyone confirm this?
@@andeywei I contacted the company. They said that the thermostat doesn't shut the unit down, just lowers the fan speed. That I could use the timer to turn on and off. I'm pretty disappointed.
@@andeyweiI share your disappointment. It seems this heater is designed for high heat requirements. I might suggest moving to South Dakota. On a more serious note, I did discover to make it run a little cooler, although I do not know if it will adversely effect the heater, I ran mine there for a short time. My altitude is 1200ft, but switching to mountain mode, will make it run slightly cooler. Press both left buttons and hold. Then by pressing ok to monitor heat exchanger temp. May have to hit ok till you get to right one.
Very clear and informative. Many Thanks
Fantastic help, very kind of you to share this info, thank you.
no pulse mode change or fan rpm change. missed those ?
Im Working on access code.
Thank you very much for this video. I’m guessing time of day is not an option on this model. What about changing from Celsius to Fahrenheit?
Unfortunately, "no" on both accounts
and I need to know to time in this new controller please.
You just helped me to pairing remote mate🔥🔥🔥thank you so much 🥃💪🏻
Excellent video. How do you know when the pump is fully primmed and ready to use?
Ot will change sound when fuel is in pump
Nice work. I will use this information to get my newly installed heater operational. Any idea what we are seeing when OK and UP are pressed at the same time?
Thanks. There was nothing in the manual I saw first OK and up arrow. I will test it when I can and if it does anything I'll update the video and let you know
Pressing the “OK” and “UP” arrow button has no operation attached to it. It does nothing
Great video. Is there a way to change from Celsius to Fahrenheit?
I don’t think there is a setting for Fahrenheit
Hi, I have an error code E-2, the heater is wired in to my fuse board and the fuse board is showing 12v, could it be that the leisure battery is 24v?? If so how do I change the setting from 12v to 24v??? Thanks
Check input voltage with multimeter. Instructions say that it automatically selects input voltage but I don't think that setting works
Thanks for this video, Well informative gave me all the info I needed
So happy I have found your video, I am hoping I can now get it primed. Another problem I have though and I'm not sure if it relates to the system not yet being primed is that when I turn it to on it acts if it's going to work but in approx. 5 seconds it shuts off and the only way I can get the screen back is to disconnect power and the n reconnect power. If you have any thoughts on this, I would greatly appreciate it.
Wait till you have it primed that should solve it
The missing switch left centre that is not installed just seems to prime the pump, same as up down together. It offers no extra function when long pressed with any of the other buttons.
legend.
thank you for the information like to set timer on display to turn off so it will not burn out display
# Little update on old oil/diesel mix from my end. : The default 3 start setting works best for me at the moment. cranking the pump to 5 or 6 seems to flood the system. so as long we can't adjust fan or pump this seems to work. cleaning out with brake cleaner and first start after flood with a bit brake cleaner seemed to help the startup a bit 🙂#
Thanks for the video. Did you already found the hidden menu? I need to push pumpspeed down and ramp rpm up and did not find the correct combo yet :( . anyway tnx for the video again.
Setting the mountain mode, will slightly decrease fuel mixture. Accomplished by pushing the two left side buttons. Also check air intake tube for any restrictions, or sharp bends. I had pondered putting something like cheesecloth over my intake filter to increase filtration.
How do you know you've over primed the heater? is there an error code, a flashing light, ???
No code of light. You just need to be careful. I found it tends to prime quite quickly, faster than expected
Thanks for the video I will now try to start my own heater .
Ty for info but my controller looks similar the steps you outline don't work.any info suggestions for units sold in US? I seem to be behind an access code that's not provided despite 2 calls to seller I saw on another video a code of 1688 but it doesn't work on my unit. Any help is appreciated ty.
Sorry not too familiar with other controllers. They all look very similar so may be the rmolder controller.
I agree Thanks for the Correct information. Great video!
I've just bought one of these 5 Kw heaters to act as an emergency heater for my regular gas heater.........it came with a separate key fob control as well that has an on and off button and up and down arrow buttons, but the key fob does nothing to the settings. and won't switch it on or off or adjust the temp setting........reading the manual doesn't give an indication to have the control on the remote key fob or the front face panel.....only the front panel settings work.
Try holding the down arrow and power button for a few seconds. OC1 should come up. Then press any button on the remote, this should pair the remote to heater
@@2005mic Thank you.......I'll try that today.
@@gangleweed It also may NOT have been shipped with a battery inside. Worth a check?
@@englishrupe01 It does have a battery as there is a small light that shines when you press a button.....still have to pair the fob to the heater etc.
Thank u for posting this matches my controller 🎉
Hi Mic, is there anyway of showing Hz on the display? If not is there a way to work out what H-1 is in Hz so I can work out the diesel usage. Is H-1 equal to 1Hz and H-2 equal to 2Hz etc etc
Thanks
Dave.
Hz is not available on this controller. To work out usage you would need to wait till heater has come to temp on each of the H1-H6 settings, count the pump pulses for 1 minute, and multiply by pump delivery amount, 0.02ml. Hope that helps
@@2005mic thanks Mic, sure does.I get it to 144lml /hr on H1 (2pulses per second)
Hi, great & informative video - thank you! With the remote control can you change it to turn on in auto mode rather than manual? Thank you!
Unfortunately no.
I'm assuming these new controllers we can't switch to Hz? Thanks for the video...
E-2 error - i tried using a small deep cycle battery that couldn't energize the glow plug properly. switched to a big car battery and no error. hope it helps.
Please, where to buy the new controller and his motherboard ? i have hcalory 5-8kw. In Ebay and amazon is impossible to find it
Try Aliexpress
AliExpress has ENTIRE 5kW units for 70 dollars right now, too.
I already had two of these heaters with the blue display. Working as expected, I'm fully satisfied with them. They heat up to 210 - 212 Celcius on level 8. Then I bought another one and it has this black oblong display. Turns out this has only six levels in stead of eight. Np problem, but this heater does not get hotter than 184 Celcius. Is there a way to crank it up higher to at least 200 Celcius?
I have same question. Is the black one too dumb to improve? Blue one and its ECU much hotter.
Hey great vid thanks! Is there any way to change from °C to °F??
No.
Thank you so much. Extremely useful video 👍🍻
I run mine on number 5 or 6 but it doesn't get that hot. If I set it to number 6. Is that as hot as it will ever get or am i missing something 🤔
6 is maximum. The fan should be at full speed at that setting
@@2005mic mine keeps giving a strong smell of diesel on start up. As its coming though the house wall to my living room that's becoming a bit much now. I cant work out why as the exhaust is outside . Any ideas?
I have the same problem. Also, after 20-30 mins turns off, dont know why.
The instruction book is very poor, so Im thinking of returning to seller.
@@prokux2529 if you get a E2 error when it shuts down. It will be the drop in voltage on your battery. I've ordered mains power supply to save keep having to charge the battery up
@@prokux2529 Also, could be you have the timer inadvertently set on the LCD.
Because it's a 24 hrs clock wouldn't your off timer be set at 09.9?
Thank you very much for your informative video.
QUESTION. Last night I tried firing up the unit but I didn't understand the buttons at that point, consequently I seemed to have over-primed the unit and when I set it in motion and it went into the heat stage I had an absolute smoke screen outside the van.
I shut down the unit and I'm not a bit lost as to restarting the unit!
Any suggestions would be appreciated... Cheers Brian
Yes machine is flooded. Run it in alpine mode and let it run till smoke clears. I'm assuming it was white smoke. Alpine mode reduces amount of fuel it pumps
Kero added to the fuel, does that clear existing coke or only reduce new coking? I was thinking of running a high kero mix occasionally. What percentage? I heard these pumps need diesel to lubricate them, so they wear out fast running on straight kero.
I just gave up with my brand new one. It wouldn't start. Kept showing error 2 (night voltage apparently, but it was on a 12v battery) then it just flooded with diesel and kept shutting off. So I gave up
Could be a faulty control module (motherboard) my first one was faulty
@@2005mic I check everything I could think of. Hopefully another one will be better
Excellent. So easy to follow
So happy I found this video, like the others have said, I just kept finding videos on the older panels. Thank you for posting this Mic.
On another note, I'm using the diesel heater to warm my wife's greenhouse. Anyone know of a medthod to turn off the diesel heater once the preset temperature is reached? Right now, the heater goes to its lowest heat setting once the preset temperatue is reached but at the lowest setting, the greenhouse is getting over-warmed. Thanks.
I don't believe there is a setting for that. You could try opening a window on the greenhouse OR set an automatic OFF time in the settings once the heater is turned on and running. However once off, it wont start up again on its own
This may help, Robert. I found If you put it in mountain mode ( pressing and holding both left hand buttons) it will run cooler. You can monitor the heat exchanger temp by toggling through to it, mine ran about 130c.
Omg.. you saved my life
Hi Mic, thanks for your informative video. Can I ask a question? I have the same 3 fan blade LCD with the round Settings button symbol, not the spanner symbol. I see that your max. case temp. was 178 Deg.C, and mine is about the same, 176. But my prev. heater, a Hcalory 2Kw (with blue LCD screen) gets to about 230 Deg.C. and so I need to find out why this one has far less heat O/P, and if any changes can improve it? I know that the LCD and ECU are a matched pair, but should I expect more from this heater? Thanks.
That temp is the highest I have seen so I would say that is it’s design range. Different heater brands may have different temp ranges depending on their construction.
Great video .. what type of battery does the remote controller take please... i cant seem to find one that fits
.
Sorry for the late reply but I haven't been near the van. The Battery is a Alkaline 27A 12v. It looks like a smaller version of a AAA battery
Brilliant but how to change the heater setting , ours at 23 degrees us soooo hot would like to set ut at about 19 to 20 thanjs Brenda in west aussie