Question about Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm

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Rheem tankless rtg 74pvn - heater hot water shuts

Rheem tankless rtg 74pvn - heater hot water shuts off after about two minutes remote shut off also. its only three years old. The promblem seemed to get progressively worst over a week

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This is something you will have to contact rheem about due to the fact you don't have a fault code

Posted on Aug 12, 2010

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Posted on Jan 02, 2017

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I have c7 code


it is a communication problem between remote control and tankless unit

Temporary fix:
1 Turn off electricity to tankless and remove cover. Find two terminals that remote control connects to.
2 Disconnect remote control wiring. Turn electricity back ON.
3 Open hot water tap and see if unit works as expected.
4 Without remote, tankless will heat water to default 120 degrees F and will run without the remote.
Contact Rheem they may send you another pcb board.

Nov 11, 2013 | Rheem Paloma Tankless Water Heaters...

1 Answer

Rheem RTG-74PVN-2 code c776


Communication fault with remote, but also bad PC board.
Copy following link for troubleshoot resources:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Oct 13, 2012 | Rheem Tankless Hot Water Heater...

1 Answer

My paloma tankless water heater will shut off in the middle of a shower


I am not sure if this is it but I had mine at too high of a temperature therefore I was not using enough volume of hot water to keep the heater on. They have a minimum amount of flowrate to sustain. Try turning the water temp down to 125-130. Hope this helps

Jan 27, 2010 | Rheem Paloma Tankless Water Heaters...

3 Answers

Hi, I have a Rheem RTG-74PVN-2 tankless hot water heater. It has run great for about a year, but now shuts off completely after running for approx. 8-10 minutes. I have the water temp set at 130 f. Any...


Remove power source from the unit. If remote control is installed; remove cover and lift the control wires on the terminal...can be accomplished from either end. See if the unit runs longer.
If you're receiving any error codes, especialy code 76; contact RHeem customer support at (800-432-8373) and notify them IF you are getting a code "76" error.

Good luck,
JZ...

Nov 25, 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

Paloma PTG 74PVN Tankless Water Heater


did you check the filters on the the water valves, i am not exactly sure about your codes that are shoeing but if you could read it and post them, i know on some of the units 76 means there is low water pressure and the filters are behind 2 caps one on each side above the shut off valve take off the caps and remove the screens, clean them and replace them ,, make sure you turn off the water on both side first or you will get wet

May 18, 2009 | Rheem Paloma PTG-74PVN / RTG-74PVN...

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