Question about Rheem Paloma Tankless Water Heaters PTG-74PVN Tankless RTG-74PVN

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My hot water went out and I can't get it to kick in again. I have a PTG 74PVN Paloma tankless water heater.

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Best place to start troubleshoot is the manual.
For example manuals and key Rheem, Richmond, Paloma, Ruud troubleshooting links:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

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.

Posted on Mar 22, 2011

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I have a Paloma PTG-74PVN-1 high volume tankless water heater installed in 2007. Recently, I am having hot water temperature problem, no error code is displayed, but it can not heat the hot water beyoun...


Even though you are not getting an error code, there are may be some diagnostics in the controller that can identify whether it's an electronic (controller/sensor) or a heat exchanger issue. I would contact Rheem tier-2 support.

Jul 01, 2014 | Rheem Paloma Tankless Water Heaters...

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...

1 Answer

Error 13 paloma tankless hot water system. no hot water


Before calling service technician, open following links for error codes, Rheem/Paloma chat and tech support, and possible manual:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://www.fixya.com/support/t3444443-paloma_tank_less_water_heater_flashes

Error codes are considered start-point for troubleshooting.
Tankless manuals recommend yearly service including burner cleaning, gas pressure and plumbing check, de-liming etc to prevent problems and so technician is familiar with that specific unit.

Aug 05, 2011 | Rheem Paloma PTG-74PVN / RTG-74PVN...

1 Answer

Hi. We have a Paloma Tankless Water Heater model no. PTG-74PVN-1 and we keep getting the error C 7-76 or C 8-76. We cleaned the filter but the problem is not going away. The hot water turns off after a...


Open following link for Rheem/Paloma/Richmond/Ruud tankless troubleshoot resources including error codes, self help, manuals, parts links, tips, and contact information.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Add a comment with your experience so others with same-similar problem can benefit.

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 27, 2011 | Rheem Paloma Tankless Water Heaters...

1 Answer

Thermostat flashes IL ? Model PTG-53PVN


http://www.palomatankless.com/owners/homeowner+trouble.lasso#28-11
The Controller displays error code "1L."
There is a build-up of lime in your Paloma.
Contact your plumber to service the Paloma by flushing out the lime.
Also search u-tube for flushing lime out of tankless.

Dec 29, 2010 | Rheem Paloma Tankless Water Heaters...

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...

1 Answer

My paloma tankless keeps failing with a code of


SINCE U DIDN'T PROVIDE A MODEL NUMBER, THE BEST I CAN DO IS GIVE U THEIR PHONE NUMBER:
1 800 873 3507

Dec 08, 2009 | 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.

HTH,

Mike...

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

1 Answer

I have a paloma ptg-74pvn and the digital temp. display keeps shu


How reliable is your AC? With the digital r/c connected, every time the heater recovers from power outage it's in the OFF default state. If you can not fix the power issue, disconnect the remote control. The w/h will recover in the ON state.

Nov 13, 2009 | Rheem Paloma Tankless Water Heaters...

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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