Question about Rheem RTG-74PVN-2 Natural Gas Pronto Whole House, Natural Gas, Tankless Wat
Before calling service technician, open following link for troubleshooting resources, including possible manual, and Rheem chat.
Rheem usually asks you to call local service technician.
There are many factors that cause problem you describe: bad PC board, sensor problem, loose wires, crossover in single-handled faucet, lime build-up in heat exchanger, clogged water filter.
The remote control might give you an error code. Error code is a starting point for troubleshoot.
Error code on one unit can have different cause than same error code on different unit.
Read manual for required maintenance.
Tankless require yearly maintenance.
Upvote the help.
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Posted on May 26, 2011
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Posted on Jan 02, 2017
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