Hoffman 401475 - 1/8" Straight Vent for Water Heating Convector Air Valve, # 508

Hoffman 508 Radiator Water Vent Valve

Features:

• 1/8"NPT male straight shank
• 50lb maximum, for automatic or manual venting of radiators
• Disc type vent with built in check valve
• This is the update to the Hoffman No. 500 air vent and the replacement for the B&G 17-JR and 17-SR

Resource Documents

Hoffman Specialty Selections Guide 401475

Hoffman Specialty Spec Sheet