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  1. Hoffman Air Vent for Hot Water Heating, No. 500

    Hoffman Air Vent for Hot Water Heating, No. 500

    SKU: HK1085

    Hoffman 500 radiator water vent valve, 1/8"NPT male straight shank, 50lb maximum, for automatic or manual venting of radiators, disc type vent with built in check valve. Learn More
    $12.15
  2. Hoffman Air Vent for Hot Water Heating, No. 78

    Hoffman Air Vent for Hot Water Heating, No. 78

    SKU: HK1075

    Hoffman 78 water main vent valve, cast brass body, 3/4"NPT male straight shank, 150lb maximum, for high pressure hot or cold water mains. Learn More
    $166.50
  3. Hoffman Air Vent for Hot Water Heating, No. 79

    Hoffman Air Vent for Hot Water Heating, No. 79

    SKU: HK1080

    Hoffman 79 water main vent valve with built-in check valve,3/4"NPT male x 1/2"NPT female straight shank, 75lb maximum, for high pressure hot or cold water mains. Learn More
    $106.20
  4. Hoffman Air Vent for Hot Water Heating, No. 790

    Hoffman Air Vent for Hot Water Heating, No. 790

    SKU: HK1090

    Hoffman 790 water vent valve, 1/8"NPT male straight shank, 30lb maximum, for removal of air from convectors, baseboard and wall radiation. Learn More
    $54.90
  5. Hoffman Air Vent for Hot Water Heating, No. 791

    Hoffman Air Vent for Hot Water Heating, No. 791

    SKU: HK1095

    Hoffman 791 water vent valve, 1/4"NPT male straight shank, 50lb maximum, for removal of air from convectors and small mains. Learn More
    $99.90
  6. Hoffman Air Vent for One-Pipe Steam, No. 1A

    Hoffman Air Vent for One-Pipe Steam, No. 1A

    SKU: HK1005

    Hoffman 1A steam radiator vent, float type, 1/8"NPT angle 10lb maximum, with adjustable 6 port settings. Learn More
    $40.95
  7. Hoffman Air Vent for One-Pipe Steam, No. 1B

    Hoffman Air Vent for One-Pipe Steam, No. 1B

    SKU: HK1007

    Hoffman 1B steam radiator vent, float type, 1/8"NPT straight 1-1/2lb maximum, with adjustable 6 port settings. Learn More
    $60.30
  8. Hoffman Air Vent for One-Pipe Steam, No. 40

    Hoffman Air Vent for One-Pipe Steam, No. 40

    SKU: HK1025

    Hoffman 40 steam radiator vent, float type, 1/8"NPT angle 10lb maximum, single non-adjustable port for one pipe systems that do not require proportional venting. Learn More
    $23.85
  9. Hoffman Air Vent for One-Pipe Steam, No. 41

    Hoffman Air Vent for One-Pipe Steam, No. 41

    SKU: HK1030

    Hoffman 41 convector steam vent, non-vacuum, float type, 1/8"NPT straight shank, 10lb maximum, single non-adjustable port. Learn More
    $36.00
  10. Hoffman Air Vent for One-Pipe Steam, No. 43

    Hoffman Air Vent for One-Pipe Steam, No. 43

    SKU: HK1035

    Hoffman 43 convector steam vent, non-vacuum, float type, 1/4"NPT straight shank, 10lb maximum, single non-adjustable port. Learn More
    $38.25
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