1/8 Inch MPT Steam Radiator Air Valve #40 from Hoffman / Bell & Gossett. This mini valve will balance the air accumulation in your heating system smoothly and evenly, with no hissing, clicking and banging. Heavy duty chrome steel construction: rust corrosion resistant. Features a neat, elegan
Thrifco Plumbing 4928027 1/8 Inch MPT Steam Radiator Air Valve Replaces Hoffman / Bell & Gossett #40 Valve. This mini valve will balance the air accumulation in your heating system smoothly and evenly, with no hissing, clicking and banging. Heavy duty chrome steel constructio