20 Most Recent Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm - Page 2 Questions & Answers

Rheem water heaters should not be converted from propane to natural gas. The burners have been optimized for the rated gas and will not work as well after conversion. (Unlike ranges where the gas/air flow ratios can be adjusted when the burner orifices and regulator are swapped, the water heater doesn't have that option.) I wish I had better news for you. I recommend you get a new water heater for the LNG service; it will be safer and more efficient. Cindy Wells

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I don't know http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html Gene If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Open following link to see general tankless wiring instructions, with amp rating and breaker size for various tankless units including Rheemhttp://waterheatertimer.org/How-to-wire-Tankless-electric-water-heater.html If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

there is no pilot- it is lit with a ignitor. If you have problems the unit needs a service cleaning of the flame sensor rods.

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It can be. I have a 7.4 GPM for my whole house, and it is way more than I need. It will handle 3 simultaneous uses no problem. Check with a dealer or literature on those units available in your area. They should give you some guidance.

http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html Combustion parts dirty, lack of yearly maintenance, low flow of gas, flex pipe instead of solid pipe, undersized gas supply, vent not working correctly, bad PC board Gene If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

The installation is according to your local code. They will tell you what outlets and where to have them- what water piping and what gas requirements. You will need a flush valve set( always extra) Your city inspectors will lso control placement and venting requirementrs. This is not a plug and play install although it is straightforeward. You must meet the minimum water pressure and volume as well as the proper gas delivery requirements- even a drain.. Best on this point to hire QUALIFIED INSTALLER.

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problem is inside burner compartment o2 sensor dirty or block..need to have a qualify technician clean it.

Bad circuit board? http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html If it's older than 5 years, then replace with tank-type heater http://waterheatertimer.org/How-to-install-gas-water-heater.html Gene h If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Turn off power -Remove tin cover plate and with a small screw driver turn dial right for more heat left for less .temp.,on the side of unit.

Add a potable expansion tank

I have a problem with a 60 gallon professions series HWH power vent !! Blower comes on 1-2 seconds and shuts off I need help

Error code 13 is "oxygen depletion sensor" activated.
The first number is a sequence indicator.
If you need the training manual I have it and can send it to you.
I got Rheem to send it to me a while back and it is a big help when working with these units.
It covers th RTG-42, 53, 66 and 74.