“Prevents heating and cooling fluids from backing up into domestic water supply and reduces building water pressure to 14PSI.”
“Seldom does one not need one without the other. Perfect for updating or new installations.”
“Fast shipping. Product as advertised (no look alike trash).”
“Part was exactly what I was looking for / excellent service.”
“Installed in the fresh water make-up line for a boiler.”
“Fast shipping, great price, and exactly as advertised. It was a direct replacement to the one I had.”
“Two needed valves in one. Easy to install.”
“Catalog online easy access and fast shipping.”
