Best fittings for water heater bypass valves?
On winterizing, I noticed the cold water valve (part of the three valve array for bypassing the WH) was leaking around the crimp clamp. Since I always use a breakage as a way to upgrade to something ...
Forum Discussion
Cool Canuck wrote:
I understand the check valve is there to prevent water migrating back in the to the heater which in turn allows hot water to enter the cold water line. Sort of similar to all the anti siphon devices they have these days.
I'm lazier than Old Biscuit. I'd rather turn one valve to winterize than fuss with 3.
Check valves are not needed.......hot water does not migrate into cold water system when no check valves are used.
RV check valves used are cheap plastic junk that fail.
IF using a check valve at least buy good one--all brass with no plastic internals.
