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Rheem RTG-74PVN-2 Natural Gas Pronto Whole House, Natural Gas, Tankless Wat - Page 8 Questions & Answers
I have a Rheem Marathon electric water heater. Last night, temp of water was low, so I increased temp. An hour ago, I heard water pouring out. Very Hot water flowing from the relief pipe.
It was to hot, if it's still hot take a shower to help cool it down faster before you have an accident, cheaper to waste a lil water than pay for a hot water tank or worse, a hole in your house. You said you turned it down, leave it where you have it, if it's cold out or if it's the first shower of the day sometime the water is just colder, but you will notice if you would have gotten a shower and let it warm back up you might have had hotter water, I don't think it would have gotten that hot on one element especially in a hr.
How do you reset the elatric water heater
I suggest you check the owner's instruction manual but it would be rare for any water heater to have a facility for reset - if they are ok they heat the water to the preset temperature and maintain that temperature and if they don't it is because there is a fault that, for safety reasons, should be rectified.
I am getting a error code on my tankless water heater from Rheem the code is C2
Do any other digits appear when you look at the LCD panel? Most Rheem Tankless water heaters will have a two-digit number in addition to the C2 code. Some of the error codes may be in your water heater manual.
http://www.tanklesshotwaterguide.ca/about/rheem-error-codes-tankless-systems/ has some of these listed.
For example: C2 11 indicates a failure to light the gas burner (for gas/propane) units. This could be do to a shut-off valve that wasn't completely open. There could also be air in the gas line or insufficient pressure. There might also be a problem with the ignition/wiring.
A C2 00 code indicates that the burner was on for more than 60 minutes. For this code, turn off all open hot water faucets, including a dishwasher or clothes washer. Turn off the water heater. Turn off or remove recirculation pumps. Wait an hour for the unit to cool and reset the error code. Try the unit again.
Please add a comment with the full error code and the model number of the water heater for additional information.
I hope this helps.
Cindy Wells
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