Heat traps vs check valves
I have installed a check valve on the cold water inlet side of my water heater (it's a Voyager 100,000 BTU, combi heater-domestic and radiant heat). I am getting convective heat tranfer in the cold water line. I'm assuming the check valve (spring type) is not designed to prevent heat transfer. Are the inline heat traps the answer? Do I need a heat trap on both the inlet and outlet pipes. I am using 1" copper on both the inlet and outlet - do they make 1" heat traps?
Thanks,
Rick