Non-Vacuum Air Valve, 1/2 x 3/4 in, FNPT x MNPT Connection, Steel

HOF4A MFG #: 401413
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Bell & Gossett Hoffman Specialty® Non-Vacuum Air Valve, 1/2 x 3/4 in Nominal, FNPT x MNPT, 2 psig Working, 140 to 240 deg F, Steel, 1-1/2 in W x 3-13/16 in H
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Model 4A
For main steam vents
Bell & Gossett
VALVE AIR NON-VAC 1/2 X 3/4IN 2PSIG STL
Float-type thermostatic vent|For residential or small 1-pipe or 2-pipe systems|Single non-adjustable port|1/2 in FNPT and 3/4 in MNPT straight shank|Install 6 to 10 in above horizontal return and 18 in above the boiler water line
Xylem
401413
cRUus Listed|cULus Listed|FM Approved
Air Vents
0.3 lb
  • NON-POTABLE WATER USE ONLY - CONTAINS LEAD