Quote:
Originally Posted by RV_Envy
Yeah, I have 4 valves ( I think)
1 is the big PVC drain
1 is a cold water supply to the water pump
1 is cold water bypass
1 is hot water bypass
I didn't winterize so I closed the PVC drain. Opened the supply and closed both the hot and cold bypass. (Assuming bypass)
Cold Water strong from both city and water pump to all faucets.
Hot Water, nada. Not even a drip.
No sound from Tankless water heater. Doesn't hum. Power and temp set but no activity. Lots of propane.
It's a 2020 Thor Gemini.
Gotta be something small but what da heck I am missing...no idea? Am I missing another valve? But shouldn't the system still hum or light?
Appreciate responses...4th motorhome but first time with tankless..
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I have had two coaches with the Girard Tankless Water Heater and neither of them had a hot water tank bypass.... even though the schematics showed it. I think someone back at HQ is just lazy and reuses one set of schematics whether it is a tank or tankless water heater in a coach.
Anyway..... you said
"Hot Water, nada. Not even a drip."
I take it to mean if you open the hot water on any faucet, there is no flow since you say "not even a drip."
If that is in fact the case, you need to check a couple items.
1) Check to make sure the inlet flow valve on the back of the unit is open and allowing water to flow into the tankless.
2) Remove the incoming water line at the back of the unit and check to see of the strainer / screen is plugged with construction debris. While you have it off you might want to make sure you have water coming through that line and into the tankless.
If you don't have a drip of water coming out the hot anywhere then that means there is no water getting into the tankless.
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