Hoffman 76 1/2" X 3/4" Straight Steam Main Air Vent, vacuum valve, float type, 1/2"NPT female x 3/4"NPT male straight shank, 15lb maximum, for medium and large one-piipe vacuum systems, must be installed 6-10" above return and 18" above boiler water line.
- Manufacturer:
- Hoffman
- Part Number:
- 401432