Heating Caleffi Boiler Trim | Boiler Trim Kit W/ Autofill & Backflow & 1″ Threaded 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:

• 551006A Air Separator (1″Npt)
• 573002A: Autofill/Backflow Preventer Combination (1/2″ Npt)
• 561402A: Check Valve
• Tank (4.4 Gallons)
• (2) 3″ Brass Nipples
• Tee