Maid O' Mist Air Valves

Jacobus Air Valves are also referred to as Maid O' Mist Air Valves. They are designed for use in steam heating systems. There are many models of Jacobus Air Valves available at PexSupply.com.

19 products shown

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  • #1, 3/4" x 1/2" Main Vent Valve View Specs
    • SKU: J1
    • Brand: Jacobus - Maid O Mist
    In Stock!
    1362 Avail (Ships in 24-48 Hrs)

    $13.95 / each

    $128.50 / box
    10 x $12.85

     
  • #4, 1/8" Angle Air Valve View Specs
    • SKU: J4
    • Brand: Jacobus - Maid O Mist
    In Stock!
    2154 Avail (Ships in 24-48 Hrs)

    $6.55 / each

    $70.20 / box
    12 x $5.85

     
  • #5, 1/8" Angle Air Valve View Specs
    • SKU: J5
    • Brand: Jacobus - Maid O Mist
    In Stock!
    2981 Avail (Ships in 24-48 Hrs)

    $6.55 / each

    $70.20 / box
    12 x $5.85

     
  • #6, 1/8" Angle Air Valve View Specs
    • SKU: J6
    • Brand: Jacobus - Maid O Mist
    In Stock!
    3537 Avail (Ships in 24-48 Hrs)

    $5.79 / each

    $66.60 / box
    12 x $5.55

     
  • #C 1/8" Angle Air Valve View Specs
    • SKU: JC
    • Brand: Jacobus - Maid O Mist
    In Stock!
    5202 Avail (Ships in 24-48 Hrs)

    $6.55 / each

    $70.20 / box
    12 x $5.85

     
  • #D 1/8" Angle Air Valve View Specs
    • SKU: JD
    • Brand: Jacobus - Maid O Mist
    In Stock!
    4472 Avail (Ships in 24-48 Hrs)

    $6.55 / each

    $70.20 / box
    12 x $5.85

     
  • #4, 1/8" Straight Air Valve View Specs
    • SKU: J4S8
    • Brand: Jacobus - Maid O Mist
    In Stock!
    371 Avail (Ships in 24-48 Hrs)

    $7.45 / each

    $80.40 / box
    12 x $6.70

     
  • #5, 1/8" Straight Air Valve View Specs
    • SKU: J5S8
    • Brand: Jacobus - Maid O Mist
    In Stock!
    503 Avail (Ships in 24-48 Hrs)

    $7.45 / each

    $80.40 / box
    12 x $6.70

     
  • #6, 1/8" Straight Air Valve View Specs
    • SKU: J6S8
    • Brand: Jacobus - Maid O Mist
    In Stock!
    695 Avail (Ships in 24-48 Hrs)

    $7.45 / each

    $80.40 / box
    12 x $6.70

     
  • #C, 1/8" Straight Air Valve View Specs
    • SKU: JCS8
    • Brand: Jacobus - Maid O Mist
    In Stock!
    1010 Avail (Ships in 24-48 Hrs)

    $7.45 / each

    $80.40 / box
    12 x $6.70

     
  • #D, 1/8" Straight Air Valve View Specs
    • SKU: JDS8
    • Brand: Jacobus - Maid O Mist
    In Stock!
    756 Avail (Ships in 24-48 Hrs)

    $7.45 / each

    $80.40 / box
    12 x $6.70

     
  • #4, 1/4" Straight Air Valve View Specs
    • SKU: J4S4
    • Brand: Jacobus - Maid O Mist
    In Stock!
    125 Avail (Ships in 24-48 Hrs)

    $7.45 / each

    $80.40 / box
    12 x $6.70

     
  • #5, 1/4" Straight Air Valve View Specs
    • SKU: J5S4
    • Brand: Jacobus - Maid O Mist
    In Stock!
    152 Avail (Ships in 24-48 Hrs)

    $7.45 / each

    $80.40 / box
    12 x $6.70

     
  • #6, 1/4" Straight Air Valve View Specs
    • SKU: J6S4
    • Brand: Jacobus - Maid O Mist
    In Stock!
    144 Avail (Ships in 24-48 Hrs)

    $7.45 / each

    $80.40 / box
    12 x $6.70

     
  • #C, 1/4" Straight Air Valve View Specs
    • SKU: JCS4
    • Brand: Jacobus - Maid O Mist
    In Stock!
    490 Avail (Ships in 24-48 Hrs)

    $7.45 / each

    $80.40 / box
    12 x $6.70

     
  • #D, 1/4" Straight Air Valve View Specs
    • SKU: JDS4
    • Brand: Jacobus - Maid O Mist
    In Stock!
    443 Avail (Ships in 24-48 Hrs)

    $7.45 / each

    $80.40 / box
    12 x $6.70

     
  • #7, 1/8" Straight Auto Vent View Specs
    • SKU: 7
    • Brand: Jacobus - Maid O Mist
    In Stock!
    74 Avail (Ships in 24-48 Hrs)

    $19.85 / each

    $94.25 / box
    5 x $18.85

     
  • #9AS Shortstop Automatic Shutoff Valve View Specs
    • SKU: 9AS
    • Brand: Jacobus - Maid O Mist
    In Stock!
    83 Avail (Ships in 24-48 Hrs)

    $3.95 / each

    $37.50 / box
    10 x $3.75

     
  • #67, 1/8" Auto-Vent View Specs
    • SKU: MO67
    • Brand: Jacobus - Maid O Mist
    In Stock!
    7580 Avail (Ships in 24-48 Hrs)

    $5.15 / each

    $48.50 / box
    10 x $4.85

     

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