Heating Caleffi Boiler Trim | Boiler Trim Kit W/ Check & Backflow Valve, 1-1/4″ Sweat Air Separator, & 4.4 Gal. Expansion Tank

Description

The Na553 Series Boiler Trim Kit Has 10 Configurations That Combine 8 Common Boiler Installation Components Into One Simple Package.

Kit Includes:

• 551035A:Discal® Air Separator (1-1/4″ Sweat Connection)
• 573009A: Autofill/Backflow Combination (1/2″ Sweat Connection)
• 561402A: Expansion Tank Check Valve
• (2) Brass Nipples
• 3″ Npt Brass Tee
• Expansion Tank (4.4 Gallon)