Hoffman Air Valves

Hoffman Air Valves are designed for use in steam heating systems. The most popular models of the hoffman air valves are the Hoffman 1A Air Valve and the Hoffman 40 Air Valve.

Manuals -


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  • 1A, 1/8" Adjustable Angle Steam Radiator Air Valve View Specs

    $25.95 / each

    $149.70 / box
    6 x $24.95

    In Stock! (1122 Available) Ships in 24-48 Hrs
  • 1B, 1/4" Adjustable Straight Convector Air Valve View Specs
    • SKU: 401425
    • Brand: Hoffman

    $42.95 / each

    $247.50 / box
    6 x $41.25

    In Stock! (9 Available) Ships in 24-48 Hrs
  • 3, 1/8" x 1/4" Angle Steam Air Line Valve View Specs
    • SKU: 401419
    • Brand: Hoffman

    $69.95 / each

    In Stock! (46 Available) Ships in 24-48 Hrs
  • 4, 1/2" x 3/4" Straight Steam Quick Valve View Specs
    • SKU: 401416
    • Brand: Hoffman

    $49.55 / each

    In Stock! (124 Available) Ships in 24-48 Hrs
  • 40, 1/8" Angle Steam Radiator Air Valve View Specs
    • SKU: 401440
    • Brand: Hoffman

    $13.45 / each

    $155.40 / box
    12 x $12.95

    In Stock! (3481 Available) Ships in 24-48 Hrs
  • 41, 1/8" Straight Steam Convector Air Valve View Specs
    • SKU: 401455
    • Brand: Hoffman

    $20.95 / each

    $241.80 / box
    12 x $20.15

    In Stock! (8325 Available) Ships in 24-48 Hrs
  • 43, 1/4" Straight Steam Convector Air Valve View Specs
    • SKU: 401458
    • Brand: Hoffman

    $20.95 / each

    $241.80 / box
    12 x $20.15

    In Stock! (10176 Available) Ships in 24-48 Hrs
  • 45, 3/4" x 1/2" Straight Steam Convector Air Valve View Specs

    $23.95 / each

    $275.40 / box
    12 x $22.95

    In Stock! (781 Available) Ships in 24-48 Hrs
  • 4A, 1/2" x 3/4" Straight Steam Main Air Valve View Specs
    • SKU: 401413
    • Brand: Hoffman

    $32.95 / each

    $190.50 / box
    6 x $31.75

    In Stock! (108 Available) Ships in 24-48 Hrs
  • 508, 1/8" Straight Steam Convector Air Valve View Specs

    $8.99 / each

    $43.25 / box
    5 x $8.65

    In Stock! (735 Available) Ships in 24-48 Hrs
  • 550, 1/4" Straight Air Chamber View Specs
    • SKU: 401476
    • Brand: Hoffman

    $47.95 / each

    In Stock! (26 Available) Ships in 24-48 Hrs
  • 62, 3/4" Straight Vacuum Breaker View Specs
    • SKU: 401446
    • Brand: Hoffman

    $61.95 / each

    $297.75 / box
    5 x $59.55

    In Stock! (148 Available) Ships in 24-48 Hrs
  • 70A, 1/8" Angle Steam Radiator Air Valve View Specs
    • SKU: 401443
    • Brand: Hoffman

    $59.95 / each

    In Stock! (40 Available) Ships in 24-48 Hrs
  • 71A, 1/8" Straight Steam Convector Air Valve View Specs

    $54.95 / each

    In Stock! (23 Available) Ships in 24-48 Hrs
  • 71B, 1/4" Straight Steam Convector Air Valve View Specs

    $45.95 / each

    In Stock! (58 Available) Ships in 24-48 Hrs
  • 71C, 1/2" x 3/4" Straight Steam Convector Air Valve View Specs

    $51.95 / each

    In Stock! (90 Available) Ships in 24-48 Hrs
  • 74, 1/2" x 3/4" Straight Steam Unit Heater Air Valve View Specs

    $77.95 / each

    $299.80 / box
    4 x $74.95

    In Stock! (142 Available) Ships in 24-48 Hrs
  • 75, 1/2" x 3/4" Straight Steam Main Air Valve View Specs

    $70.95 / each

    $340.75 / box
    5 x $68.15

    In Stock! (587 Available) Ships in 24-48 Hrs
  • 75H, 1/2" x 3/4" Straight Steam Main Air Valve View Specs

    $76.95 / each

    In Stock! (80 Available) Ships in 24-48 Hrs
  • 76, 1/2" x 3/4" Straight Main Steam Vacuum Valve View Specs

    $109.95 / each

    In Stock! (40 Available) Ships in 24-48 Hrs