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
 

Downloads

Drawings: 

 


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

 

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