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Great explanation, thank you!

The plumber installed mine horizontal.

Thank you so much! You helped me more than you know!

how can someone order an heater exchanger??

Outstanding video. Everything was explained so well.

Can I repair my exchanger? Is there a sealant can be applied inside or is replacing the only option? Thanks

Great video! I learned a lot!

Thank you for making this video. Really appreciate the information.

how old was the unit? that you have to replace the heat exchanger

great video. Thanks

Is it safe to test the pressure and adjust the pressure while the expansion tank is already installed it already exists in the home I just bought. I just want to make sure it was done properly or do I need to shut down the entire system and uninstall it to check the pressure and adjust if needed?

Nice video. I might have missed this. Is this the correct orientation for the expansion tank; connect it on the bottom and the air intake on top? The reason I am confused, when looking at the picture for the link of the tank below, it looks like the right side up shows the tank is the opposite by the label on the tank. Common sense would give me the answer, but I guess I have none and was wondering if the label is wrong-side up.

Thank you for sharing your video on how to install a new water heater. Helped me out a lot!!! I was quoted for a new water heater installation and services for $2360. Other quotes almost the same amount. I bought a new water heater at home depot for $701 with discount and did it myself because of your video. Saved tons of money. God bless you!

Thanks much excellent video

Thanks!

pipe dope on teflon i dont get it

Good video. I especially like how you said you don't need to empty the entire tank as I was looking to avoid that.

Great commentary and the part about smoothing the pipe end. WOW. I would never have thought of that. Thanks Dennis!

tank is installed up side down

I bought and installed one expansion tank at home depot, the specifications indicated that the manufacturer recommended to strap the E.T. hanged, to the ceiling I guess, Is it really recommended to strap it to the ceiling?

thanks for the video, I was looking into installing an expansion tank mostly because when I close a faucet I hear the pipis banging. Sadly my water heater is installed directly soldered to copper pipes, no flexible. I will need to hire a plumber to put a T in there, or may be I can install it somewhere else.

For replacement purposes is fine ,remember to add a expansion tank suck is very important,even was not installed previously,

Thanks for your help,, 😊

Very good video thank you

🙏Thanks for sharing. Do you ever bleed the vessel side before tightening?

Awesome job, man. Thank you for the video

This is one of the very best videos (and clear explanation) of a job most plumbers would say you need a professional. If someone has basic to intermediate skills, this video should encourage a homeowner to DIY this project. Thanks!

" By law " 😮 there's no law to install or not install the expansion tank , it is the customer choice . You may have to edit what you said... We have a water heater thats been in the house for over 25 years ,nothing wrong with it , thanks God

How much

Water is getting cold and overflows how can I fix that?

How water is getting cold& overflow

Not needed! No expansion tank for over 50 years and no problems! Just more government regulations bullshit that costs homeowners unnecessary $$$$$

Good explanation and tips!

Thank you!!! I have been trying to find a setup with the regulator and home filtration system for a DIY project. Awesome video

Why not swap inlet n tank location n save extra pipi n angle joints n just stretch the flex pipe

So when do you need an expansion tank?

breathing so hard wow

Thank you for taking care of your customers.

Replacing the heat exchanger involves unscrewing hundreds of screws, and it's frustrating to see such poor design from big companies like Rinnai, Noritz, and Navien. I lived in Taiwan for over ten years, where my no-name tankless water heater required no maintenance and worked flawlessly straight from the pipe. However, after just five years in Canada, my Noritz unit, despite being used with a water softener, is already leaking. It's disappointing that these renowned brands are selling such poorly designed products.

What would cause a foghorn sound on cold startup with this unit? Great video by the way. Thank you

Instead of using WD-40 to lubricate the fastener on the water lines, I use food-grade silicon grease. It serves the same purpose but won't contaminate the potable water system.

Can direct vent FVIR rated gas water heater be placed on the floor in a garage?

Bruh, thank you! You rock.

I've read that you don't need an expansion tank if there is no back flow preventer., ie. not a closed system. This video seems to show an open system. The video does not show a back flow preventer. What is the correct deal? Or is this video just a demo on installation?

It is a great video. I'm having a leak and error code 51 was displaying on the remote. I opened up and saw leaks. I can't tell whether it is from the heat exchanger or manifold plate. Is there a way I can tell just by looking?

Thanks SO much! Great video and easy to understand! Plus, thanks for listing the parts!

Plumber was at my home changing out a gunky galvanized pipe related to something else, and put up a new expansion tank while he was here. But, he didn't check the water pressure of the house (I have that in writing) and over-pressured it to 70psi. My house water pressure is 50psi. He also turned up the heat really hot, whereas I keep it at the red line just above warm. The day after he placed it, my water heater started leaking from the bottom. I reduced the pressure and temperature and turned off the hot water valve, and it's still leaking. My water heater is 20 years old, well maintained, and without any problems until this. So, I think the additional pressure wrecked my water heater. I'm trying to figure out if this was ignorance or maliciousness. I would appreciate any input.

Can you do one for the boiler only model

VERY GOOD VIDEO

Great video. Thank you!