Question about Rheem Paloma PTG-42PVN / RTG2-42PVN Natural Gas Indoor

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Could someone call me, Had problem after problem for 2half or 3 years. Changed out parts they have sent and cleaned the whole unit etc. Now flashing code 11 Help frustrated

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Posted on Jan 02, 2017

  • 236 Answers

SOURCE: Originally was receiving error code

Code 13 is oxygen depletion check the wiring to the oxegen sensor

Posted on Oct 10, 2009

SOURCE: replaced mother board due to

http://www.palomatankless.com/owners/homeowner+trouble.lasso#28-11
The Controller displays error code "11."
Gas is inadequate. Open the Gas Shutoff Valve all the way.

Posted on Feb 25, 2011

  • 12 Answers

SOURCE: we are getting multiple codes.

Rheem, Richmond, Ruud, and Paloma are all the same manufacturer. After about 9 months, my tankless RTG-74PVN started giving me error code 11 and cold water!. I fixed it by cleaning the burner, as shown in this video:
www.howtolou.com/clean-a-burner

Posted on May 30, 2012

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2 Answers

I recently had my primary heat exchanger chemically cleaned. My thermostat changed ad it had been re pressurised. The radiators all are working fine, but my water is still going hot and cold. What could it...


Could be the HW sensor, When you ask for HW, a switch ion the boiler will operate, usually part of what is know as 3 way valve. Different types of switch, you will have to have a look, could be a microswitch, in a unit to the side, you will be able to see if operating. But more likelly to be the 3 way valve itself, The internals do not switch fully, internal leaks etc. So inconsistent HW. Very easy to replace yourself, Turn off cold water, and isolate all the CH side, drain down the boiler, replace unit, reopen all valves, check pressure, off you go. You can get service kits for the 3 way valve unit, But for price diference, just replace, ebay a good place to to get one from

Mar 04, 2013 | Water Heaters

1 Answer

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...

1 Answer

Last week after I filled the bath tub with water, it was rust colored. This happened one time only, then it was fine. I neglected to change my whole-house water filter for about 8 months (well water). ...


It sounds as if the thermocouple has failed and allowed the tank to contract, releasing
the rust from inside. I would recommend replacing the entire unit before it breaks as most
units are only warranted for about 6 to 9 years. Hope this helps.

Feb 21, 2011 | Water Heaters

1 Answer

We have a Power Star Bosch water heater it find for two years but now it take longer to get the warm water and it turn back to cold very fast. Model #45-557701


Call BOSCH 800-798-8161 tech support. If it is not too old even out of warranty they will help diagnose. You can get parts for free in warranty and buy parts at www.houseneeds.com out of warranty. If it gets hot fast and then stops, one of the "Thermal cutout switches" is cutting out. The water flow it probably blocked. (Just a guess) On many models they have a "Screen" and or a "Gromet" that you can clean out. If your water is really hard the whole unit may be clogged. I believe the "SAFE" thing to do is replace it but again I say CALL BOSCH TECH SUPPORT. I have also heard of people "Cleaning the whole units with vinigar, like cleaning a coffee maker. TURN OFF POWER! TURN OFF H20! REMOVE UNIT, then clean.

May 19, 2010 | Bosch PowerStar AE115 Tankless Water...

2 Answers

C2 11 code, same problem as others. Used to be hvac tech. Gas fine, vent fine,grounded properly, tore unit apart and inspected and cleaned entire thing. Looking for new ideas, what has worked for others.


I had the same problem with my Paloma a year and a half after installation...contacted Rheem customer service (800-432-8373) and they recommened a local installer in my area. The technican diagnosed the problem as the "flow control valve"; he managed to get Rheem/Paloma to cover the part under warranty...I only had to shell out the money for the install.

Nov 17, 2009 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

5 Answers

Paloma tank less water heater flashes code C4 13 and we have no hot water?how to fix it?


I had the same problem with my Paloma a year and a half after installation...contacted Rheem customer service (800-432-8373) and they recommened a local installer in my area. The technican diagnosed the problem as the "flow control valve"; he managed to get Rheem/Paloma to cover the part under warranty...I only had to shell out the money for the install.

Nov 16, 2009 | Rheem Paloma Tankless Water Heaters...

5 Answers

I have a paloma tankless water heater about 3 years old model PTG-74PVN and it works for 2 minutes and shuts off with error code C4 and 13 flashing. (City water pressure is fine)Can anyone help? Thanks...


I had the same problem with my Paloma a year and a half after installation...contacted Rheem customer service (800-432-8373) and they recommened a local installer in my area. The technican diagnosed the problem as the "flow control valve"; he managed to get Rheem/Paloma to cover the part under warranty...I only had to shell out the money for the install.

Nov 03, 2009 | Rheem Paloma PTG-74PVN / RTG-74PVN...

2 Answers

Originally was receiving error code 11. Rheem sent me three new flame rods and a new controller board. after cleaning unit and replacing parts, it is getting error code 13 after approx 2 minutes of...


They show code 11 as no ignition on the rheem technical page but they do not show anything for code 13. Does it say what code 13 is on the unit somewhere...maybe inside the cover? Is this a direct vent model? What size gas line do you have going to the unit? Make sure it is not undersized. How is the water flow? Does it flash the code with all the faucets on? It might be a water flow issue. Let me know more info so I can assist you further.

Oct 10, 2009 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

2 Answers

Our second unit just failed and needs a new controller more money


The only Bosch tankless I have ever touched have been the 3 I have taken out and replaced with Rinnai. I think Bosch/Paloma/etc. have two problems:

1. They do not properly certify technicians before allowing them to install these units.

2. Their product is mediocre at best.

The biggest problem I've seen is that people don't vent them properly. The last one I pulled out had a combined vent length of 55'. 55 FEET! Absurd!
The units was condensing so much inside the vent that it washed out 2 gas control valves in ONE YEAR.

Buy Rinnai, buy Takagi, buy Noritz....maybe even a Navien (new player...time will tell)
+
Factory certified technicians, preferably equipped to do the gas & plumbing without having to sub it out.
=
Years of trouble-free hot water.

Good Luck.

Jun 30, 2009 | Bosch PowerStar AE125 AE125 Whole House...

1 Answer

How to install a new temp sensor Whirlpool electric water heater


The instructions for installing the sensor will probably included with the new part. Also, when you receive the part and actually see it, you will probably know where it will go. Sometimes, things like this happen even with new units. I have had bad thermocouples on brand new units right from the factory. It happens and unfortunately it happens to us sometimes. Good luck and if you get the part and still have trouble, contact them again. If you would have bought a GE (Rheem) unit, they would have sent a tech out to your house at no cost. I'm not a fan of Whirlpool water heaters.

Apr 01, 2009 | Whirlpool Water Heaters

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