Questions & Answers for: Rheem po 117

my rheem umc-117 controller flashes an IL code. what is this and what do i do? it means that you have lime build up in the heat exchanger and it needs to be flushed out ASAP!!

my umc-117 flashes 76 then -0 what causes it to do that? 76 is the controller error, check your wiring to it to make sure it is connected well , if it's not that the controller is shot , from there it

The UMC-117 shuts off during water heat up. What The UMC-117 shuts off during water heat up. What is causing this problem? overheat stat first then check fan best of luck

Rheem UMC-117 had a Code C7 76 call rheem tech support this C7 76 is the pc board is bad iv done 20 or 25 of these

No Hot Water Hi, I have a Rheem tankless water heater and this morning it stopped working. The UMC-117 display flashes HI and 99. Hope you can help with some suggestings. Also was looking online for ...

are umc 117 interchangable between paloma and rheem? no, they are made by different company

I have a Rheem RTG-74 tankless water heater with the remote control (UMC-117). The remote has shut off and won't turn back on. I've checked the circuit breaker and it's fine. Any suggestions? Does it ...

which is safeguard since the damg product cannot always heat water fast enough to reach higher set points above 120F.http://waterheatertimer.org/pdf/TanklessOutdoor_95_84_64X_UC_AP15318.pdfCall Rheem

ruud flashing 76 code thermostat keeps flashing LO 76 here is some rudd codes for tankless heaters http://globalimageserver.com/FetchDocument.aspx?ID=1371e2e6-22f2-45d6-a712-d2679eac9e0c ...

My Rheem tankless water heater remote umc 117 turns on then shuts off about 10 seconds after powering on, thoughts please? Rheem have there wedstie I belive there is a help line on there .