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- The Caleffi NA553 Boiler Trim Kit is available in 10 configurations and combines 8 boiler installation components into one box. This kit matches the necessary components for boiler installations into a simple package. The NA553 takes all the guess work out of selecting components for a simple installation.
Caleffi Boiler Trim Kit, Series: NA553
- The NA553 Series Boiler Trim Kit has 10 configurations that combine 8 common boiler installation components into one simple package
- (1) 1 in Press DISCAL® Air Separator, (1) Press Backflow Preventer, (1) 1/2 in Press AutoFill™ Boiler Feed Valve, (1) Expansion Tank Check Valve, (2) 3 in Brass Nipples, (1) NPT Brass Tee and (1) 4.4 gal Expansion Tank
- Connection Size1 inConnection TypePRESSManufacturerCaleffiManufacturer #NA553366SeriesNA553