NA553

Boiler Trim Kits (with backflow preventer)

Description: 

The NA553 Series Boiler Trim Kit has 10 configurations that combine 8 common boiler installation components into one simple package.  
 
The kit includes:

(1) DISCAL® air separator
(1) Backflow Preventer:  
½" NPT, sweat or press union
(1) AutoFill™ Boiler Feed Valve
(1) Expansion Tank Check Valve
(2) Brass Nipples:  3"
(1) NPT Brass Tee
(1) Expansion Tank
 

MasterSpec

Downloads

 


code number description expansion tank
(gal)
weight
(lbs)
NA553362 1" NPT 4.4 15
NA553366 1" press 4.4 15
NA553369 1" sweat 4.4 15
NA553372 1¼" NPT 4.4 16
NA553376 1¼" press 4.4 16
NA553379 1¼" sweat 4.4 16