Question about Rheem Paloma PTG-74PVP / RTG-74PVP Liquid Propane Indoor

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My Rheem PTG-74PVP-1 shuts down and has a code 76 C8. Any help would be appreciated

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I have errer code 09 what is the problam

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My ecosense tankless water heater #rtg-74pvn-2 says c8 13

It could be the ods sensor ,or may require adjustment of burner manifold pressure . you might want to contact Rheem 800432-8373

Mar 06, 2013 | Rheem Paloma PTG-74PVP / RTG-74PVP Liquid...

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My rtg-74pjn-2 shows code c8 13

Hello Oumkaar Sharma,
Feb 2013

1) Copy following link for EcoSense-Rheem tankless resources:

2) Error 13 is oxygen depletion sensor activated.
Get more fresh air to unit
Perform required maintenance.
Have qualified service technician test, clean, etc, and possibly replace burner.

3) Repair any brand tankless, same day, yourself for $368

4) Add a comment and say what you did to solve problem.

If you need further help, I’m available over the phone at

Mar 06, 2013 | Rheem Paloma PTG-74PVP / RTG-74PVP Liquid...

1 Answer

Paloma tankless water heater model no PTG-74XP-2 error code c8

In several cases i have had to change the pcb board.... code 76 is no communication between remote thermostat and pcb..... this is a problem the first generation rheems seem to be having.... contact rheem if under warranty you will need to get pcb and program chip sent to you. Really need a experienced tech to install board and program it for you...... hope this helps...

Jan 25, 2012 | Rheem Paloma Tankless Water Heaters...

2 Answers

Have a Rheem PTG-74PVP tankless water heater. Shuts off after a few minutes while taking a shower. Get a code 76 C8

Before calling service technician, open following links for troubleshoot resources including error codes and rheem chat, and typical scheduled maintenance:

Error 76 can mean communication failure between tankless and remote control, which can include bad remote control, bad wire, bad wiring connector, or PC board failure.
Disconnect remote control and see if tankless will work.

Error C8 76 can mean PC board failure.
Contact Rheem and/or service technician.

Take a moment and rate answer:
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.

Sep 07, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

After 5 minutes the unit shuts down with an error of C8 13.

Typical manual shows error C8 13 on page 33:
Has to do with air intake, air quality, air shortage, air filter, or internal parts, or combination of internal and external factors

Typical manual also shows regular maintenance on page 29.
The word maintenance is used throughout manual.
Tankless are prone to lime build-up and should be de-limed each year, and cannot be exposed to more than 11 grains of hardness in the water.

Open following link to see list of UN-answered fixya questions about Rheem tankless:
Older question tend to have answers that might be helpful for you to read.

Research shows that regular de-liming will not restore full efficiency to tankless water heaters:

Since all costs are energy, if you get tired of messing with tankless.

Add a comment for more free help.
Also 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.

Mar 01, 2011 | Rheem Paloma PTG-74PVP / RTG-74PVP Liquid...

1 Answer

No hot water

contact rheem you probably have a circuit board problemb

Jul 24, 2010 | Rheem Tankless Hot Water Heater...

1 Answer

C8 76 code

call tech support they will help you with this specific code

Jan 02, 2010 | Rheem Paloma PTG-74PVN / RTG-74PVN...

2 Answers

PALOMA PTG-74PVN-1 Code C8 12 my water heater

C8 is the last stop in the point of burner ignition and a total of eight error codes. Error code 12 is a supplemental code that means your LP gas supply is too low...have your LP tank service and try again.



Dec 06, 2009 | Rheem Paloma Tankless Water Heaters...

1 Answer

Code C8 76

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.

Restore power and see if unit functions normally.

Contact Paloma/Rheem customer (800-432-8373) support and notify them IF you are getting a code "76" error. Rheem has recently extended the warranty on the "Burner Control Assm."; which is your problem. The C4-C8 portion of the error code, is where the unit stops the ignition process...burner fails to light, or gives you intermittent hot water. In either case, contact customer support .

If this helps, please indicate so.

Aug 06, 2009 | Rheem Paloma PTG-74PVN / RTG-74PVN...

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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