Question about Rheem Paloma Tankless Water Heaters PTG-74PVN Tankless RTG-74PVN
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.
Posted on Nov 17, 2009
I had same code, tried the flush, cleaned it and still got codes, Rheem has sent me a new burner assembly, since I had it cleaned "professionally for $225) less than a year ago, said the small orifices tend to clog up very easily, this is last $$$ that I put into this unit, it is only 3 years old, going to put a regular gas fired hot water tank back in next time this breaks, I can do this install myself, had to hire plumber at $95 an hour to put burner in
Posted on Oct 23, 2012
My Paloma tankless heater was shutting down after 4-5 minutes & flashing C7 13. Flushed the heater using white vinegar to remove the calcium deposit. Seemed to have solved the problem. Note: use at least a 100GPH fountain pump to flush the heater. Anything smaller will probably not have enough pump push to get a decent flow through the heater.
Posted on Jan 29, 2012
Error codes and troubleshoot resources:
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
Posted on Oct 10, 2014
I'm gonna put a tank back in NOW and circumvent any more problems.
Posted on Dec 09, 2012
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Posted on Jan 02, 2017
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