Question about Rheem RTG-74PVN-2 Natural Gas Pronto Whole House, Natural Gas, Tankless Wat

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My Rheem Pronto water heater comes on then shuts off within 30 seconds and flashes a code 7

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Sounds like fan

Posted on Oct 12, 2009

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Posted on Jan 02, 2017

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Rtg74pvn2 rheem tankless water heater gas problem


1) You want the truth: Forget tankless.
There are many tankless water heaters with insoluble problems.
And endless problems.
Rheem knows it.

2) Do you really expect your home computer to work flawless after replacing motherboard?
Get your money back from Rheem, or get a full replacement.

3) OR fix water heater yourself today: Install tank-type gas water heater for $350 from local box store.
FYI: Do not buy Rheem, Richmond, Ruud, GE as these units from Rheem have problems that require service technicians.
Instead buy Whirlpool, American, State, Craftmaster, Reliance, Kenmore, as these units from AO Smith have fewer problems and can be repaired by homeowner using simple part replacement.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

4) Copy following link for troubleshoot resources, and possible manual for Rheem, Richmond, Paloma water heaters:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Oct 16, 2012 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

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I turn it on and it looks like everything is fine we use the hot water and it turns off and starts flashing C-7 & 76 before when it would shut down we would pull the pour cord and wait a minute and...


Before calling service technician, open following link for Rheem troubleshooting resources.
http://waterheatertimer.org/Troublshoot-Rheem-Tankless-water-heater.html

Read manual thoroughly for troubleshooting and yearly maintenance requirements.
The manual has basic error codes and possible self-repair tips, but the same problem on one person's unit can be a different problem and different solution on another unit.

Repair most tankless problems yourself, same day, any brand for about $330
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 09, 2011 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

I have a Rheem tankless pronto unit. I had a


is there any type of surge portection for tankless water heaters mother boards??????

Mar 06, 2010 | Rheem Tankless Hot Water Heater...

2 Answers

FLASHING CODE C-7 WILL WORK FOR A WHILE THEN STOPS


disconnect the remote and see if the unit works properly; could be lost comm. between the burner control module and the burner assembly.

If your getting error code 76; contact Rheem customer support at (800-432-8373) and notify them IF you are getting a code "76" error

Mike...

Nov 15, 2009 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

2 Answers

Rheem Tankless wh model rtg-74pvn shuts off error code c4 76


Contact Rheem; the Burner control unit has lost comm with the remote...the part is warranteed for up to five years.

Nov 01, 2009 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

My tankless heater will not turn on and the remote


my rheem pronto tankless water heater will not turn on?

Sep 24, 2009 | Rheem Tankless Hot Water Heater...

2 Answers

How to correct error code C-7 on my RTG-74PVN Rheem Pronto


I had the same problem and called the manufacturer. The error code C-8 was followed by the number 76. They told me to disconnect the thermostat/digital display from the main unit. This was fairly simple to do by removing the front panel. The unit works steady now without shutting down after a few minutes. The help desk told me that the main circuit board needs to be replaced for the unit to work with the display and that they would mail me one asap. At least we have hot water again.

Oakville, Ontario

Jan 11, 2009 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

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