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Simple, straightforward and low shipping rates for these air eliminators.


Air Eliminators


During filling, maintenance, or through oxygen infiltration, air is introduced into every hydronic heating/cooling system. To function properly, the air must be eliminated and these air eliminators are designed to remove trapped air, micro bubbles and dirt from heating, cooling and domestic water systems. We are your source for air eliminators and many other heating and cooling parts and products.

Air Eliminators
lead free air eliminator These float-type automatic air vents are designed to be installed vertically to vent air that is released from the water by being heated. Silicon seals, anti-vibration and anti-rotation features ensure long life and superior venting.
Model # Description Max. Pressure Max. Temp. Dimensions Price & Quantity
502610A 1/8" NPT 150 psi 240° F 3-1/16" x 1-9/16" $15.79
502620A 1/4" NPT 150 psi 240° F 3-1/16" x 1-9/16" $16.59
502243A 1/2" NPT 150 psi 240°F 3.5" x 1.37" $39.95
If using the #502243A on an existing 3/4" NPT fitting, please use a 3/4" x 1/2" stainless bushing $3.48
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Floatvent, Supervent, Maxivent
supervent
Supervent SV 173
maxivent
Maxivent FV 147/147A

  • The Sparco Floatvent is an efficient automatic vent with high venting capacity. It removes trapped air that prevents free circulation of liquids and restores maximum performance of the system. Floatvents are used for continuous venting of hot water and chilled water cooling systems. The Floatvent removes air from tanks, radiators, pipelines, radiant panels, unit heaters and systems.
  • The Maxivent features a low profile, fit anywhere solid brass body and cover, and a high temperature polypropylene float.
  • The Supervent has a high venting capacity and incorporates a check valve.
Model # Description Maximum Pressure Max. Temp. Dimensions Price & Quantity
FV 147 1/8 NPT 150 psi 240°F 2" x 1.43" $10.29
FV 180 1/8 NPT 150 psi 240°F 1.84" x 3.25" $18.29
FV 180A 1/4 NPT 150 psi 240°F 1.84" x 3.25" $18.28
FV 147A 1/4 NPT 150 psi 240°F 2" x 1.43" $10.28
FV 183 3/4" NPT 150 psi 240°F 3.5" x 1.37" $46.87
SV 173 3/8 NPT with check 150 psi 240°F 2.86" x 2.04" $85.94
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Hygrovent
hygrovent # 190
HV 190
The Sparco Hygrovent is an automatic air vent for hot water and steam systems. Install in baseboards, radiators, convectors and high points in piping systems to remove air. The nickel plated valve has a quick venting design and a positive shut-off ball check.
Note: These units must be installed vertically
Model # Description Maximum Pressure Max Temp. Length Price & Quantity
Water Steam
HV 190 1/8" automatic vent 125 psi 10 psi 240°F 1.22" $7.92
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Air Purger


Stamped Sparco or Honeywell on side

Air Purger
Model # Size Connection Max Temp. Max Pressure Dimensions Price & Quantity
AP 400 1" bottom 1/2", top 1/8" 275°F 125 psi 4" x 2.5" x 1" $27.49
AP 401 1-1/4" bottom 1/2", top 1/8" 275°F 125 psi 4" x 2.5" x 1" $27.69
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Powervent Gold


NPT Powervent
During filling, maintenance or through oxygen infiltration, air is introduced into every hydronic heating/cooling system. To function properly, the air must be eliminated. The Sparco Powervent slows the velocity of the water in its enlarged chamber, where the water impacts onto a stainless steel dynamic concentrator. The concentrator merges bubbles and microbubbles, which then float to the top from where they are vented to the outside. The high capacity vent keeps the water level below the venting point for a clean vent nozzle. The GoldTop venting mechanism (patent pending) offers the largest venting rate at pressures up to 150 psi.
Sweat Powervent

Residential Unit Features:

  • Guarantees fast startups and eliminates "No Heat" call backs
  • Helps prevent corrosion of system by air elimination
  • Fully serviceable, top to bottom
  • Low pressure drop, high Cv bi-directional flow
  • Universal design 3/4" - 1 1/2" for vertical risers
  • Sweat connections for sizes 3/4" x 1 1/4"
  • Bronze/stainless construction.
  • 3 year warranty. Made in USA
  • Best venting performance in high and low pressure systems with GoldTop vent mechanism
  • 1/2" bottom connection for Sparco expansion tank, or connect blow-down valve in dirty systems for dirt removal
  • Dynamic concentrator has three times more air collection power than the static devices

  • Universal Powervent

    Powervent Gold - Residential
    Model # Description Max temp Max pressure Cv Price & Quantity
    PV075 3/4" NPT 240°F 125 psi 13 $146.87
    PV100 1" NPT 240°F 125 psi 22 $161.71
    PV125 1-1/4" NPT 240°F 125 psi 38 $223.38
    PV150 1-1/2" NPT 240°F 125 psi 53 $297.70
    PV200 2" NPT 240°F 125 psi 95 $272.88
    PV075S 3/4" sweat 240°F 125 psi 13 $148.91
    PV100S 1" sweat 240°F 125 psi 22 $160.18
    PV125S 1-1/4" sweat 240°F 125 psi 38 $222.68
    PVU075 3/4" universal 240°F 125 psi 12 $168.11
    PVU100 1" universal 240°F 125 psi 21 $173.03
    PVU125 1-1/4" universal 240°F 125 psi 36 $226.53
    PVU150 1-1/2" universal 240°F 125 psi 50 $344.83
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    Commercial Unit Features:

  • Guarantees fast startups and eliminates "No Heat" call backs
  • Helps prevent corrosion of system by air elimination
  • GoldTop vents on 2-8" units include check valves
  • Low pressure drop, high Cv bi-directional flow
  • 3 year warranty. Made in USA
  • Best venting performance in high and low pressure systems
  • All models have bottom 3/4" NPT connections for system dirt removal
  • Dynamic concentrator has three times more air collection power than the static devices

  • PV200T

    Powervent Gold - Commercial
    Model # Description Max temp Max pressure Cv Price & Quantity
    PV200T 2" NPT 240°F 150 psi 95 $2497.16
    PV250T 2-1/2" NPT 240°F 150 psi 140 $2736.84
    PV300T 3" NPT 240°F 150 psi 215 $2827.51
    PV400T 4" NPT 240°F 150 psi 360 $3036.20
    PV200F 2" flanged 240°F 150 psi 95 $2849.09
    PV250F 2-1/2" flanged 240°F 150 psi 140 $3156.74
    PV300F 3" flanged 240°F 125 psi 215 $2799.87
    PV400F 4" flanged 240°F 125 psi 360 $3321.20
    PV500F 5" flanged 240°F 125 psi 590 $6117.18
    PV600F 6" flanged 240°F 125 psi 860 $6620.19
    PV800F 8" flanged 240°F 125 psi 1500 $11785.60
    PV200FC 2" flanged cleanable 240°F 125 psi 95 $4167.07
    PV250FC 2-1/2" flanged cleanable 240°F 150 psi 140 $6132.21
    PV300FC 3" flanged cleanable 240°F 125 psi 215 $7967.56
    PV400FC 4" flanged cleanable 240°F 125 psi 360 $6299.99
    PV500FC 5" flanged cleanable 240°F 125 psi 590 $10546.89
    PV600FC 6" flanged cleanable 240°F 125 psi 860 $10207.89
    PV800FC 8" flanged cleanable 240°F 125 psi 1500 $14953.76
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    EA122A Automatic Air Vent for Non-Heating System Applications
    Air vent # EA122A1028 This automatic air vent features:
    • Includes removable float/valve assembly for easy servicing.
    • Not for use in steam systems.
    • Body, cover and float assembly made of thermoplastics.
    • Internal parts made of corrosion-resistant and chemical-resistant materials for use with water systems containing light concentrations of propylene glycol, mineral oils, or petroleum-based oils.
    • Oil resistant seal.
    • NBR seat disc and O-ring.
    • Maintains quiet and efficient operation.
    • Built-in brass shutoff valve for servicing without system shutdown.
    • Built-in vacuum breaker.
    • Leakage guard safeguards operation.


    • air vent air capacity
    Model # Description Price & Quantity
    EA122A1028 Automatic air vent with built-in shut off valve; EPDM seat disc and O-ring. 1/8" NPT male thread, 90 psi max. $43.65

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    Frequently Asked Questions

    Q. "Can the hygrovent automatic air vents be installed horizontally?"
    A. No, these units must be installed vertically.



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