Backflow Preventers

Watts B911SM3 0386462 1/2 inch Sweat Union Inlet x 1/2 inch Female Outlet Brass Body Automatic Water Boiler Feed with Backflow Preventer

Parts

Strainer Screen and Cylinder BP-392 Circulator Bolt Kit

Circulator Flanges

Taco 110-251F Package of 2 Freedom Cast Iron 3/4 inch Circulator Flanges with Nuts and Bolts

Taco 110-252F Package of 2 Freedom Cast Iron 1 inch Circulator Flanges with Nuts and Bolts

Air Vents

Taco 400-4 Hy-Vent 1/8 inch Male Water Boiler Float Type Air Vent