More about this product
3-21 PSI spring
*Can be used as 1.5-3 PSI spring (Remove 1 pilot diaphragm)
-
Manufacturer Info
Armstrong
Join our All Ways Steam Boiler Contractor program to unlock discounted pricing, contractor benefits and pro-level support!
3-21 PSI spring
*Can be used as 1.5-3 PSI spring (Remove 1 pilot diaphragm)