Taco 1″ standard Near Boiler Trim Kit which offers a complete one-box solution for boiler installation. Standard kits include: Air Scoop model 400 Hy-Vent a 1/2″ SWT model 3490 boiler feed valve/backflow preventer a 1/2″ NPT expansion tank and all applicable fittings.
Taco TTK-100T-SEL 1″ Select Near Boiler Trim Kit Air Scoop Combination Boiler Feed Valve Backflow Preventer 4-1/2 gal. | SupplyHouse.com
$67.53