NA553

Boiler Trim Kits (with RPZ backflow preventer)

Description: 

The NA553 Series Boiler Trim Kit has 6 configurations that combine 8 common boiler installation components into one simple package.  
 
The kit includes:

(1) DISCAL® Air Separator
(1) Reduced Pressure Zone (RPZ) Backflow Preventer:  
½" NPT or sweat union
(1) AutoFill™ Boiler Feed Valve
(1) Expansion Tank Check Valve
(2) Brass Nipples:  3"
(1) NPT Brass Tee
(1) Expansion Tank

 
Available in NPT, press and sweat connections.
 

Downloads

Drawings: 

code description tank size
(gallons)
weight
(lbs)
NA553362R 1" FNPT 4.4 19.4
NA553366R 1" press 4.4 19.4
NA553369R 1" sweat 4.4 19.4
NA553372R 1¼" FNPT 4.4 20.4
NA553376R 1¼" press 4.4 20.4
NA553379R 1¼" sweat 4.4 20.4