Valves

From pressure-regulating valves to thermostatic mixing valves and zone valves, our product range is designed to ensure optimal system performance, energy efficiency, and user comfort. Whether you’re managing temperature control, pressure balancing, or flow regulation, our HVAC valves provide precise, dependable operation for various jobs and environments. At Jackson Systems & Supply, we are proud to offer an extensive selection of HVAC valves tailored to meet the diverse needs of both residential and commercial applications.

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Showing 1105–1152 of 2393 resultsSorted by popularity

Drain Valve for Reliable Fluid & Steam System Drainage

Armstrong International

SKU: D10868
$1,102.61
MSRP: $1,268.00
You save 13%
Armstrong International D10868 Drain Valve quantity
Brass Fill Valve for HC-6500 & HC-6700 HumidiClean Units

Armstrong International

SKU: D10867
$668.15
MSRP: $768.37
You save 15%
Armstrong International D10867 Brass Fill Valve for HC-6500 & HC-6700 HumidiClean quantity
3/4″ NPT TAVB-3 SS Thermostatic Air Vent & 3/8″ Vacuum Breaker, 150 PSI

Armstrong International

SKU: C5491
$1,245.99
MSRP: $1,432.89
You save 13%
Armstrong International C5491 3/4" NPT TAVB-3 SS Thermostatic Air Vent & 3/8" Vacuum Breaker quantity
3/4″ x 1/2″ NPT 400 PSI Stainless Steel Free Floating Lever Air & Gas Vent

Armstrong International

SKU: C3510-8
$600.09
MSRP: $690.10
You save 13%
Armstrong International C3510-8 3/4" NPT x 1/2" NPT 400 PSI Series 11AV SS Air & Gas Vent quantity
3/4″ x 1/2″ NPT 400 PSI Series 11LD SS Free Floating Lever Drain Trap

Armstrong International

SKU: C3510-4
$635.99
MSRP: $731.39
You save 13%
Armstrong International C3510-4 3/4" x 1/2" NPT 400 PSI Series 11LD SS Drain Trap quantity
3/4″ x 1/2″ NPT, 178 PSI SS Free Floating Lever Air & Gas Vent, 1/8″ Orifice

Armstrong International

SKU: C3510-3
$600.09
MSRP: $690.10
You save 13%
Armstrong International C3510-3 3/4" NPT x 1/2" NPT 178 PSI Series 11AV SS Air & Gas Vent quantity
3/4″ x 1/4″ NPT, 146 PSI Cast Iron Free Floating Lever Air & Gas Vent

Armstrong International

SKU: C3510-2
$361.46
MSRP: $415.68
You save 13%
Armstrong International C3510-2 3/4" NPT x 1/4" NPT 146 PSI Series 1AV Cast Iron Air & Gas Vent quantity
3/4″ x 1/4″ NPT 300 PSI Cast Iron Free Floating Lever Air & Gas Vent

Armstrong International

SKU: C3510-12
$361.46
MSRP: $415.68
You save 13%
Armstrong International C3510-12 3/4" NPT x 1/4" NPT 300 PSI Series 1AV Cast Iron Air & Gas Vent quantity
3/4″ x 1/2″ NPT, 400 PSI Series 11LD SS Free Floating Lever Drain Trap

Armstrong International

SKU: C3510-10
$645.99
MSRP: $742.89
You save 13%
Armstrong International C3510-10 3/4" NPT x 1/2" NPT 400 PSI Series 11LD SS Drain Trap quantity
Drain Valve Assembly with Hose and Two Clamps for EHU Steam Humidifiers

Armstrong International

SKU: B2717
$311.85
MSRP: $358.63
You save 15%
Armstrong International B2717 Drain Valve Assembly with Hose and Two Clamps quantity
Diaphragm and Washer for Model 90, 91, 92 & 93 Control Valves

Armstrong International

SKU: A9330
$310.68
MSRP: $357.28
You save 15%
Armstrong International A9330 Diaphragm and Washer for Model 90, 91, 92 & 93 Control Valves quantity
Seal Kit for Control Valves Models 81–94, ACV2, ACV3, ACV4, ACV6

Armstrong International

SKU: A8991
$216.18
MSRP: $248.61
You save 15%
Armstrong International A8991 Seal Kit for Control Valves Models 81–94, ACV2–ACV6 quantity
Fill Valve with Flow Washer & Straight 3/8″ Compression Fitting

Armstrong International

SKU: A23519
$268.15
MSRP: $308.37
You save 13%
Armstrong International A23519 Fill Valve with Flow Washer & Straight 3/8" Compression Fitting quantity
3/4″ NPT, 15 PSI Cast Iron Inverted Bucket Steam Trap, 1/4″ Orifice

Armstrong International

SKU: 881-3/4-15
$450.06
MSRP: $517.57
You save 15%
Armstrong International 881-3/4-15 3/4" NPT 15 PSI Cast Iron Inverted Bucket Steam Trap quantity
3/4″ NPT, 125 PSI Cast Iron Inverted Bucket Steam Trap, 1/8″ Orifice

Armstrong International

SKU: 881-3/4-125
$450.06
MSRP: $517.57
You save 15%
Armstrong International 881-3/4-125 3/4" NPT 125 PSI Cast Iron Inverted Bucket Steam Trap quantity
3/4″ NPT, 20 PSI Cast Iron Inverted Bucket Steam Trap, 3/16″ Orifice

Armstrong International

SKU: 880-3/4-20
$348.48
MSRP: $400.75
You save 15%
Armstrong International 880-3/4-20 3/4" NPT 20 PSI Cast Iron Inverted Bucket Steam Trap quantity
3/4″ NPT 150 PSI Cast Iron Inverted Bucket Steam Trap, #38 Orifice

Armstrong International

SKU: 880-3/4-150
$323.58
MSRP: $400.75
You save 19%
Armstrong International 880-3/4-150 3/4" NPT 150 PSI Cast Iron Inverted Bucket Steam Trap #38 quantity
3/4″ NPT 125 PSI Cast Iron Inverted Bucket Steam Trap, 7/64″ Orifice

Armstrong International

SKU: 880-3/4-125
$348.48
MSRP: $400.75
You save 15%
Armstrong International 880-3/4-125 3/4" NPT 125 PSI Cast Iron Inverted Bucket Steam Trap 7/64" Orifice quantity
1/2″ NPT, 125 PSI Cast Iron Inverted Bucket Steam Trap, 7/64″ Orifice

Armstrong International

SKU: 880-1/2-125
$348.48
MSRP: $400.75
You save 15%
Armstrong International 880-1/2-125 1/2" NPT 125 PSI Cast Iron Inverted Bucket Steam Trap quantity
1″ NPT, 125 PSI Cast Iron Inverted Bucket Steam Trap, 1/4″ Orifice

Armstrong International

SKU: 813-1-125
$1,043.63
MSRP: $1,200.17
You save 15%
Armstrong International 813-1-125 1" NPT 125 PSI Cast Iron Inverted Bucket Steam Trap, 1/4" Orifice quantity
3/4″ NPT, 125 PSI Cast Iron Inverted Bucket Steam Trap, 5/32″ Orifice

Armstrong International

SKU: 812-3/4-125
$679.49
MSRP: $781.41
You save 15%
Armstrong International 812-3/4-125 3/4" NPT 125 PSI Cast Iron Inverted Bucket Steam Trap quantity
3/4″ NPT, 70 PSI Cast Iron Inverted Bucket Steam Trap, 5/32″ Orifice

Armstrong International

SKU: 811-3/4-70
$403.99
MSRP: $464.59
You save 13%
Armstrong International 811-3/4-70 3/4" NPT 70 PSI Cast Iron Inverted Bucket Steam Trap quantity
3/4″ NPT, 250 PSI Cast Iron Inverted Bucket Steam Trap, #38 Orifice

Armstrong International

SKU: 811-3/4-250
$403.99
MSRP: $464.59
You save 13%
Armstrong International 811-3/4-250 3/4" NPT 250 PSI Cast Iron Inverted Bucket Steam Trap #38 Orifice quantity
3/4″ NPT, 200 PSI Cast Iron Inverted Bucket Steam Trap, 7/64″ Orifice

Armstrong International

SKU: 811-3/4-200
$403.99
MSRP: $464.59
You save 13%
Armstrong International 811-3/4-200 3/4" NPT 200 PSI Cast Iron Inverted Bucket Steam Trap quantity
Cast Iron Inverted Bucket Steam Trap, 3/4″ NPT, 15 PSI, 1/4″ Orifice

Armstrong International

SKU: 811-3/4-15
$403.99
MSRP: $464.59
You save 13%
Armstrong International 811-3/4-15 Cast Iron Inverted Bucket Steam Trap, 3/4" NPT, 15 PSI, 1/4" Orifice quantity
3/4″ NPT, 125 PSI Cast Iron Inverted Bucket Steam Trap, 1/8″ Orifice

Armstrong International

SKU: 811-3/4-125
$403.99
MSRP: $464.59
You save 13%
Armstrong International 811-3/4-125 3/4" NPT 125 PSI Cast Iron Inverted Bucket Steam Trap quantity
1″ NPT, 200 PSI Cast Iron Inverted Bucket Steam Trap, 7/64″ Orifice

Armstrong International

SKU: 811-1-200
$403.99
MSRP: $464.59
You save 13%
Armstrong International 811-1-200 1" NPT 200 PSI Cast Iron Inverted Bucket Steam Trap quantity
1″ NPT 15 PSI Cast Iron Inverted Bucket Steam Trap, 1/4″ Orifice

Armstrong International

SKU: 811-1-15
$403.99
MSRP: $464.59
You save 13%
Armstrong International 811-1-15 1" NPT 15 PSI Cast Iron Inverted Bucket Steam Trap, 1/4" Orifice quantity
1″ NPT, 125 PSI Cast Iron Inverted Bucket Steam Trap, 1/8″ Orifice

Armstrong International

SKU: 811-1-125
$403.99
MSRP: $464.59
You save 13%
Armstrong International 811-1-125 1" NPT 125 PSI Cast Iron Inverted Bucket Steam Trap quantity
3/4″ NPT, 80 PSI Cast Iron Inverted Bucket Steam Trap, 1/8″ Orifice

Armstrong International

SKU: 800-3/4-80
$304.76
MSRP: $350.47
You save 15%
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3/4″ NPT, 20 PSI Cast Iron Inverted Bucket Steam Trap, 3/16″ Orifice

Armstrong International

SKU: 800-3/4-20
$304.76
MSRP: $350.47
You save 15%
Armstrong International 800-3/4-20 3/4" NPT 20 PSI Cast Iron Inverted Bucket Steam Trap quantity
3/4″ NPT, 150 PSI Cast Iron Inverted Bucket Steam Trap, #38 Orifice

Armstrong International

SKU: 800-3/4-150
$304.76
MSRP: $350.47
You save 15%
Armstrong International 800-3/4-150 3/4" NPT 150 PSI Cast Iron Inverted Bucket Steam Trap quantity
3/4″ NPT, 125 PSI Cast Iron Inverted Bucket Steam Trap, 7/64″ Orifice

Armstrong International

SKU: 800-3/4-125
$304.76
MSRP: $350.47
You save 15%
Armstrong International 800-3/4-125 3/4" NPT 125 PSI Cast Iron Inverted Bucket Steam Trap quantity
1/2″ NPT, 20 PSI Cast Iron Inverted Bucket Steam Trap, 3/16″ Orifice

Armstrong International

SKU: 800-1/2-20
$304.76
MSRP: $350.47
You save 15%
Armstrong International 800-1/2-20 1/2" NPT 20 PSI Cast Iron Inverted Bucket Steam Trap quantity
1/2″ NPT, 125 PSI Cast Iron Inverted Bucket Steam Trap, 7/64″ Orifice

Armstrong International

SKU: 800-1/2-125
$304.76
MSRP: $350.47
You save 15%
Armstrong International 800-1/2-125 1/2" NPT 125 PSI Cast Iron Inverted Bucket Steam Trap quantity
3/4″ NPT Cast Iron Float & Thermostatic Steam Trap, 75 PSI

Armstrong International

SKU: 75A3
$690.84
MSRP: $794.47
You save 15%
Armstrong International 75A3 3/4" NPT Cast Iron Float & Thermostatic Steam Trap quantity
2″ NPT 30 PSI Series B Cast Iron Float & Thermostatic Steam Trap

Armstrong International

SKU: 30B8
$1,715.18
MSRP: $1,972.46
You save 13%
Armstrong International 30B8 2" NPT 30 PSI Series B Cast Iron F&T Steam Trap quantity
3/4″ NPT Cast Iron Float & Thermostatic Steam Trap, 30 PSI

Armstrong International

SKU: 30B3
$499.68
MSRP: $574.63
You save 15%
Armstrong International 30B3 3/4" NPT Cast Iron Float & Thermostatic Steam Trap, 30 PSI quantity
3/4″ NPT Cast Iron Float & Thermostatic Steam Trap, 30 PSI

Armstrong International

SKU: 30A3
$690.84
MSRP: $794.47
You save 15%
Armstrong International 30A3 3/4" NPT Cast Iron Float & Thermostatic Steam Trap, 30 PSI quantity
1-1/2″ NPT Cast Iron Float & Thermostatic Steam Trap, 175 PSI

Armstrong International

SKU: 175A6
$1,243.28
MSRP: $1,429.77
You save 15%
Armstrong International 175A6 1-1/2" NPT Cast Iron Float & Thermostatic Steam Trap, 175 PSI quantity
1″ NPT 175 PSI Series A Cast Iron Float & Thermostatic Steam Trap

Armstrong International

SKU: 175A4
$774.78
MSRP: $891.00
You save 13%
Armstrong International 175A4 1" NPT 175 PSI Series A Cast Iron F&T Steam Trap quantity
3/4″ NPT Cast Iron Float & Thermostatic Steam Trap, 175 PSI

Armstrong International

SKU: 175A3
$696.51
MSRP: $800.99
You save 15%
Armstrong International 175A3 3/4" NPT 175 PSI Cast Iron Float & Thermostatic Steam Trap quantity
3/4″ NPT In-Line 15 PSI Series B Cast Iron Float & Thermostatic Steam Trap

Armstrong International

SKU: 15BI3
$422.89
MSRP: $486.32
You save 13%
Armstrong International 15BI3 3/4" NPT In-Line 15 PSI Series B Cast Iron F&T Steam Trap quantity
2″ NPT Cast Iron Float & Thermostatic Steam Trap, 15 PSI

Armstrong International

SKU: 15B8
$1,513.26
MSRP: $1,740.25
You save 13%
Armstrong International 15B8 2" NPT Cast Iron Float & Thermostatic Steam Trap, 15 PSI quantity
1-1/2″ NPT Cast Iron Float & Thermostatic Steam Trap, 15 PSI

Armstrong International

SKU: 15B6
$815.61
MSRP: $937.95
You save 13%
Armstrong International 15B6 1-1/2" NPT Cast Iron Float & Thermostatic Steam Trap quantity
1″ NPT 15 PSI Series B Cast Iron Float & Thermostatic Steam Trap

Armstrong International

SKU: 15B4
$484.31
MSRP: $556.96
You save 15%
Armstrong International 15B4 1" NPT 15 PSI Series B Cast Iron Float & Thermostatic Steam Trap quantity
3/4″ NPT 15 PSI Series B Cast Iron Float & Thermostatic Steam Trap

Armstrong International

SKU: 15B3
$422.89
MSRP: $486.32
You save 13%
Armstrong International 15B3 3/4" NPT 15 PSI Series B Cast Iron Float & Thermostatic Steam Trap quantity
2″ NPT Cast Iron Float & Thermostatic Steam Trap, 125 PSI

Armstrong International

SKU: 125A8
$2,246.06
MSRP: $2,582.97
You save 13%
Armstrong International 125A8 2" NPT Cast Iron Float & Thermostatic Steam Trap, 125 PSI quantity