RTO Water Heaters - Recent Questions, Troubleshooting & Support


checked for long time final find out the sensors socket has some water in it and I dry it out and the heater fire up right away "hope this can help other people " good luck.

RTO Takagi T-M1... | Answered on Feb 15, 2019


You have too much pressure in your system , you have to reduce the pressure or by Valve from Home Depot it holds a lot more then original from your tankless water heater.

RTO Ng Gas... | Answered on Dec 24, 2018


Hi,replacement can be found on amazon, click here and take a look Amazon com Water Heater pointer. Cheers

RTO W4 A.O Smith... | Answered on May 02, 2018


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I suggest contacting a certified contractor to take care of this for you.

RTO Bock Water... | Answered on Feb 07, 2018


Sounds like the sensor is not working shutting down too early

RTO Atwood Water... | Answered on Jan 07, 2018


Re- set code!!!!
We have a Takagi TH3 DV 540 model.Air intake got blocked with snow, condensation etc.Once we cleared that then you just have to re-set it to clear the 991. On our model there are 4 tiny buttons across the bottom (Take off front cover) to find them. of the computer board assembly bottom left corner. Push the two buttons on the right simultaneously hold for 15-20 seconds or so, then turn the Takagi off then on again- should work now!
If you have a different model then those buttons will be in the bottom left corner still but running vertically- try doing as above with the bottom two buttons. We had to go without heat and hot water for 2 days until we could get hold of someone to tell us this. We called Seneca Supply 716-852-4744. Good luck

RTO Takagi T-K3... | Answered on Jan 02, 2018


How are you filling the tank, and is this in an RV or what? Open pressure relief valve when filling and when water comes out pressure relief valve, you know your close to full. If it doesn't come out there when valve is open, check for by-pass valve(s) in wrong position and not filling the tank.

RTO Atwood Water... | Answered on Dec 18, 2017


If no water in it when switch left on for hydro use, you probably burned out the element. They burn out pretty quick when no water. You have to shut off breaker to it for safety, and remove back cover where you see hydro cable going in to access it.

RTO Atwood... | Answered on Dec 18, 2017


when you run out if hot water in the shower can you still get hot water in the othert fawcetts???

RTO Atwood... | Answered on Dec 18, 2017


Bad faucet cartridge:
walk-thru on following link
http://waterheatertimer.org/Crossover.html

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

RTO Water... | Answered on Oct 29, 2017


Where is it coming from? It would make sense to have a plug in the conwe of the tank. Need you to clarify what it is lthat is leajing.

RTO Atwood Water... | Answered on Oct 20, 2017

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