Question about Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm
Try unplugging the controller to see if it's a glitch in the contoller. If not you probably do not have enough gas running to it so it can't heat the water fast enough due to lack of gas
Posted on Oct 03, 2009
a 6ya Repairman can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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