Hot Water Heater problem
We have a 2005 Sunline Solaris T2553 with an Atwood hot water heater. It works on both gas and 120V. Last evening we found out that the hot water was not flowing in the camper. However it was the n...
Forum Discussion
powderman426 wrote:schlep1967 wrote:powderman426 wrote:schlep1967 wrote:
You will want to replace it. You'll need it to winterize in the future.
Wrong answer.
Just replace the check valve with a single throw shutoff valve and close it to winterize. Problem solved forever instead of fixed till the check valve goes again. And it will. JMO
Yeah, I'm sure those engineers that designed the system put that $10 check valve in there instead of a $3 valve because the manufacturers wanted to make less profit. Not because it also keeps cold water from back flowing into the water heater.
You can find some good reading here
As was suggested by the guy from atwood, it is there to keep cold water from returning to the tank causing unnecessary cycling of the water heater. This is not cold water from the supply side. It is the water that once was warm and has now cooled off on the outlet side of the water heater. The check valve does not allow the cooler water to reenter the water heater. Cooler water sinks and warmer/hot water will rise.
