75H, 1/2" x 3/4" STRAIGHT STEAM MAIN VALVE Vendor_Albany Pump • 60-second delay before lockout

• 60-second delay before lockout

Bi-metallic temperature sensing

• Maximum hot water supply temperature 235°F (113°C)

• Manual feed button

Model 41 Part No

75H, 1/2" x 3/4" STRAIGHT STEAM MAIN VALVE Vendor_Albany Pump • 60-second delay before lockoutModel 75H Part No. 401437 Air Valve (non vacuum) Float type thermostatic vent For medium and large systems Single non adjustable port 12" NPT female and 34" NPT male straight shank Maximum operating pressure* Model 75 3 psig (0. 2 bar) Model 75H 10 psig (0. 7 bar) Maximum pressure 15 psig (1. 0 bar) *Drop away pressure (maximum pressure against which the vent can open). Hoffman 75H Air Valve Data Sheet