Backflow Preventers

Watts B911TM3 0386463 1/2 inch Female Union Inlet x 1/2 inch Female Outlet Bronze Body Automatic Water Boiler Feed with Backflow Preventer

Caleffi 573009A AutoFill Combo 1/2 inch Sweat Automatic Water Boiler Feed with Backflow Preventer

Fittings

Jones Stephens™ N23000 Pipe Nipple, 1/2 in x Close L, Brass

Viega 78047 ProPress 1/2 inch Press Copper Coupling with Stop and EPDM Sealing Elements

Viega 79130 ProPress 3/4 inch Press Lead Free Bronze Union

Relief Valves

Watts 374A 0358553 3/4 inch Female x 3/4 inch Female 30 PSI Iron Body Pressure Relief Valve

Apollo 10-408-05 Bronze 3/4 inch Female Inlet x 3/4 inch Female Outlet 30 PSIG Pressure Relief Valve

Miscellaneous

TRIANGLE PGRKIT20 L W CUT OFF

SPIROTHERM® PJR000HA Vent Head, For Use With Spirovent® Junior Series Air Eliminator

TRIANGLE PSRKIT13 BLOWER KIT

TRIANGLE PTRKIT122 SUPPLY/RETURN TEMP SENSOR

TRIANGLE PSRKIT29 BLR PIPE SUPPLY