On-demand water heaters
On-demand water heaters – do they work? We have a new Thor brand class C Motorhome with an tankless Girard Brand RV water heater. In the shower the water will temporarily turn warm after the hot w...
Forum Discussion
FunTwoDrv wrote:
Another option we have seen is to install a recirculating system. This would flow through the heater even with the faucet off. They can be controlled by a simple switch so they aren't on continuously. Just a thought...
Gary
I made a valve controlled connection from the hot water low point drain (winterizing valve) to the fresh water winterizing drain. With the valve opened the pump runs constantly taking the on demand heated water through the hot water system.
Once the shower head is cleared of cold water, you have constant hot water.
When done with shower mode, turn off water pump until recirculating valve is turned of and the system put back in normal mode.
