dpw-ct
New Member
I have this set up in my basement in a NYC condo for 10 years, I am now being told that this is a problem any thoughts on why there would be two check valves in this set up. Is it a problem . Arrows who direction of flow through check valves/back flow preventers. Supply is Cold water supply
fyi at bottom of photo is a weil mcclain indirect water heater
fyi at bottom of photo is a weil mcclain indirect water heater