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

Pipes

3/4 X 10 Type M Copper Tubing

1/2 X 10 Type L Ridgid Copper Tubing

1 X 10 Type M Copper Tubing

Ball Valves

Red and White 5044AB-1/2 Lead Free Brass 1/2 inch Female x 1/2 inch Female Full Port Ball Valve

Red and White 5049AB-1/2 Lead Free Brass 1/2 inch Sweat x 1/2 inch Sweat Full Port Ball Valve

Red and White 5049AB-3/4 Lead Free Brass 3/4 inch Sweat x 3/4 inch Sweat Full Port Ball Valve

Red and White 5049AB-1 Lead Free Brass 1 inch Sweat x 1 inch Sweat Full Port Ball Valve

Expansion Tanks

Amtrol® EXTROL® 102-1 EX Series Boiler System Expansion Tank, 4.4 gal Capacity, 0.57 Acceptance, 2.5 gal Acceptance, 100 psig Pressure, Heavy Duty Butyl/EPDM Diaphragm, 11 in Dia x 15 in H