Rheem EcoSense by 4.2 GPM Tankless Water Heater LP Gas "pronto" Questions

My Rheem Pronto water heater comes on then shuts off within 30 seconds and flashes a code 7 sounds like fan

I have a Rheem tankless pronto unit. I had a I have a Rheem tankless pronto unit. I had a communications problem and changed the motherboard. I have a flashing 82 code. I've put the dip switch of 1 ...

Rheem Pronto water heater Error code E1 Before calling service technician, open following link for troubleshoot resources include Rheem chat, error codes, and regular maintenance manual, and possible ...

Rheem Pronto Hotwater Heater Error I received a similar error C7-76. I called Rheem and they're sending me out a new board and chip that according to them can be self installed. Once put in place I ...

can the rheem pronto unit be set up to come on faster then in 10 secounds is a long time and a big waste of water its the only unit that takes that long that i know of, is their a new board or add on ...

My Rheem Pronto model#RTG-74PNV-1 has powered off for some reason unknown, I turned the unit back on and it supplied hot water for approx. 10 minutes before it started flashing a code [C7]on the ...

how to correct error code C-7 on my RTG-74PVN Rheem Pronto Hot water heater kicks off when using hot water. Monitor shows C-7 code. I cleaned both water filter and air intake filters. What else can I ...

Rheem tankless water heater error A3 than flashes 61 - there is no hot water at all diaphragm valve or micro switch best of luck

same problem same time frame 4 hrs of my trouble shooting, a new circuit board, and 3 hrs of tech trouble shooting. and its only gotten worse. check small hose to fan