HVAC Controls

Increase energy savings and easily control heating and cooling systems with HVAC controls. Utilize easy-to-install fresh air ventilation panels, furnace control boards, HVAC control boards, building automation panels, and kits to introduce clean air into buildings. Control multiple aspects of a system with highly universal digital controls. Also, shop our selection of replacement parts for controllers and larger equipment, defrost controllers, even fireplace controls. Our specialty controls selection addresses unique problems that push the boundaries of innovation within the industry. If you are a contractor check out items like the Wireless Lodge Watch from iO HVAC Controls or the Duel Fuel Kit.

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Showing 1921–1968 of 5239 resultsSorted by popularity

2-Way Normally Closed 1-1/2″ Fuel Gas Solenoid Shutoff Valve 120VAC

ASCO

SKU: 8214270CSA
$569.65
MSRP: $655.10
You save 15%
ASCO 8214270CSA 2-Way Normally Closed 1-1/2" Fuel Gas Solenoid Shutoff Valve 120VAC quantity
2-Way N/C 1-1/4″ NPT/Flange Fuel Gas Solenoid Shutoff Valve, 120VAC

ASCO

SKU: 8214260CSA
$489.99
MSRP: $563.49
You save 13%
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2-Way Normally Closed 1″ NPT/Flange 120VAC Fuel Gas Solenoid Valve

ASCO

SKU: 8214250CSA
$505.74
MSRP: $581.60
You save 15%
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2-Way Normally Closed 3″ Solenoid Fuel Gas Shutoff Valve

ASCO

SKU: 8214240CSA
$1,473.66
MSRP: $1,694.71
You save 15%
ASCO 8214240CSA 2-Way Normally Closed 3" Solenoid Fuel Gas Shutoff Valve quantity
2-Way N/C Solenoid Fuel Gas Shutoff Valve, 3/4″ NPT, 120VAC

ASCO

SKU: 8214235CSA
$448.30
MSRP: $515.55
You save 15%
ASCO 8214235CSA 2-Way N/C Solenoid Fuel Gas Shutoff Valve, 3/4" NPT, 120VAC quantity
2-Way Normally Open Solenoid Fuel Gas Vent Valve, 1″ NPT, 120VAC

ASCO

SKU: 8214053CCSA
$1,139.29
MSRP: $1,310.18
You save 13%
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2-Way Normally Closed 3/4″ NPT 120VAC Gas Solenoid Valve

ASCO

SKU: 8210G76
$316.04
MSRP: $377.07
You save 16%
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2-Way Normally Closed 1/2″ NPT 120VAC Gas Solenoid Valve

ASCO

SKU: 8210G75
$278.76
MSRP: $336.61
You save 17%
ASCO 8210G75 2-Way Normally Closed 1/2" NPT 120VAC Gas Solenoid Valve quantity
2-Way Normally Closed Solenoid Gas Shutoff Valve, 3/8″ NPT, 120VAC

ASCO

SKU: 8210G74
$292.70
MSRP: $336.61
You save 13%
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2-Way Normally Open Solenoid Valve, 1/2″ NPT, 120VAC, 4 Cv

ASCO

SKU: 8210G34
$394.15
MSRP: $453.27
You save 13%
ASCO 8210G34 2-Way Normally Open Solenoid Valve, 1/2" NPT, 120VAC, Brass quantity
1″ Normally Closed LP Gas Solenoid Valve

ASCO

SKU: 8210G027B
$781.00
MSRP: $1,035.36
You save 25%
ASCO 8210G027B 1" Normally Closed LP Gas Solenoid Valve quantity
2-Way N/C Solenoid Valve 3/4″ NPT 120VAC 13 Cv Manual Reset Fuel Gas

ASCO

SKU: 8044B1CSA
$2,455.98
MSRP: $2,824.38
You save 15%
ASCO 8044B1CSA 2-Way N/C Solenoid Valve 3/4" NPT 120VAC 13 Cv Fuel Gas quantity
2-Way N.C. Solenoid Valve 2″ NPT 120VAC 55 Cv Fuel Gas Manual Reset

ASCO

SKU: 8044A5CSA
$2,373.24
MSRP: $2,958.03
You save 20%
ASCO 8044A5CSA 2-Way N.C. Solenoid Valve 2" NPT 120VAC 55 Cv Fuel Gas quantity
2-Way N/C Solenoid Valve, 1-1/2″ NPT, 120VAC, 33 Cv, Fuel Gas

ASCO

SKU: 8044A4CSA
$2,311.92
MSRP: $2,741.78
You save 16%
ASCO 8044A4CSA 2-Way N/C Solenoid Valve 1-1/2" NPT 120VAC 33 Cv Fuel Gas quantity
2-Way N/C Solenoid Valve 1-1/4″ NPT 120VAC Fuel Gas Manual Reset

ASCO

SKU: 8044A3CSA
$2,323.04
MSRP: $2,671.50
You save 13%
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2-Way N/C Solenoid Valve, 1″ NPT, 120VAC, 22 Cv, Manual Reset, Fuel Gas

ASCO

SKU: 8044A2CSA
$2,175.69
MSRP: $2,595.87
You save 16%
ASCO 8044A2CSA 2-Way N/C Solenoid Valve 1" NPT 120VAC 22 Cv Manual Reset Fuel Gas quantity
2-Way Normally Closed Solenoid Valve, 3/4″ NPT, 120VAC, Fuel Gas

ASCO

SKU: 8043B38CSA
$3,609.60
MSRP: $4,151.04
You save 15%
ASCO 8043B38CSA 2-Way N/C Solenoid Valve 3/4" NPT 120VAC Fuel Gas quantity
2-Way NC Solenoid Valve, 3/8″ NPT, 120VAC, 1.2 Cv, 0–15 PSI Fuel Gas

ASCO

SKU: 8040H8
$135.14
MSRP: $155.41
You save 13%
ASCO 8040H8 2-Way Normally Closed Solenoid Valve, 3/8" NPT, 120VAC, Fuel Gas quantity
2-Way Normally Closed Solenoid Valve, 1/4″ NPT, 120VAC, Fuel Gas

ASCO

SKU: 8040H7
$136.16
MSRP: $156.58
You save 13%
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2-Way Normally Closed Solenoid Valve, 1/8″ NPT, 120VAC, Fuel Gas

ASCO

SKU: 8040H6
$135.14
MSRP: $155.41
You save 15%
ASCO 8040H6 2-Way Normally Closed Solenoid Valve, 1/8" NPT, 120VAC, Fuel Gas quantity
2-Way Normally Closed Solenoid Valve, 3/4″ NPT, 120VAC, Fuel Gas

ASCO

SKU: 8040G23
$268.23
MSRP: $308.46
You save 15%
ASCO 8040G23 2-Way Normally Closed Solenoid Valve 3/4" NPT 120VAC Fuel Gas quantity
3/4″ 2 lb Gas Shutoff Solenoid Valve, 12VDC, Watertight

ASCO

SKU: 8040G123C0400F3
$226.00
MSRP: $259.90
You save 15%
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1/2″ 120V Automatic Gas Shutoff Valve

ASCO

SKU: 8040G022C7400F0
$312.25
MSRP: $359.09
You save 15%
ASCO 8040G022C7400F0 1/2" 120V Automatic Gas Shutoff Valve quantity
2-Way Normally Closed Solenoid Valve, 1″ NPT, 120VAC, Fuel Gas

ASCO

SKU: 8040C4CSA
$333.45
MSRP: $383.47
You save 15%
ASCO 8040C4CSA 2-Way Normally Closed Solenoid Valve, 1" NPT, 120VAC, Fuel Gas quantity
Power Cord for Electronic Timer, 76″ Length

ASCO

SKU: 272852
$41.90
MSRP: $48.19
You save 13%
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Adjustable Electronic Timer for HVAC Control Applications

ASCO

SKU: 272839-001
$289.23
MSRP: $332.61
You save 15%
ASCO 272839-001 Adjustable Electronic Timer quantity
1″ NPT Externally Piloted Steam Pressure Reducing Valve, 3-21 PSI

Armstrong International

SKU: GP-2000-1-3/21
$2,375.99
MSRP: $2,732.39
You save 13%
Armstrong International GP-2000-1-3/21 1" NPT Externally Piloted Steam PRV, 300 PSI quantity
1-1/4″ NPT Externally Piloted Steam Pressure Reducing Valve

Armstrong International

SKU: GP-2000-1 1/4-321
$2,662.38
MSRP: $3,061.74
You save 15%
Armstrong International GP-2000-1 1/4-321 1-1/4" NPT Externally Piloted Steam PRV quantity
Gas Regulator, 3/4″, 250 PSI Inlet, 7–60 PSI Outlet Range

Armstrong International

SKU: GD-30-3/4-7/60
$1,095.81
MSRP: $1,260.18
You save 15%
Armstrong International GD-30-3/4-7/60 Gas Regulator 3/4" 250# 7/60# quantity
1/2″ Reducing Valve, 7–60 PSI Outlet Pressure Range

Armstrong International

SKU: GD-30-1/2-7/60
$1,080.99
MSRP: $1,243.14
You save 15%
Armstrong International GD-30-1/2-7/60 1/2" Reducing Valve, 7–60 PSI Outlet quantity
HC-6000 HumidiClean Upgrade Kit with Main PCB & Display Driver Board

Armstrong International

SKU: D65113
$2,111.08
MSRP: $2,427.74
You save 13%
Armstrong International D65113 HC-6000 HumidiClean Upgrade Kit w/ Main PCB & Display Driver Board quantity
Main Printed Control Board for HC-6000 Series HumidiClean

Armstrong International

SKU: D56596
$2,378.10
MSRP: $2,734.82
You save 13%
Armstrong International D56596 Main Printed Control Board for HC-6000 HumidiClean quantity
Pilot Valve Kit for 1/2″-6″ GP-2000 Pressure Reducing Valves (K-2110)

Armstrong International

SKU: D25403
$355.99
MSRP: $409.39
You save 13%
Armstrong International D25403 Pilot Valve Kit for 1/2"-6" GP-2000 PRVs (K-2110) quantity
LV-4 Direct Valve Mounted Thermostatic Operator with Liquid Sensor

Armstrong International

SKU: D24660
$115.99
MSRP: $133.39
You save 15%
Armstrong International D24660 LV-4 Direct Valve Mounted Thermostatic Operator with Liquid Sensor quantity
Electrical Proof of Closure Indicator for High Gas Pressure Switch

Armstrong International

SKU: D14826
$455.96
MSRP: $524.35
You save 13%
Armstrong International D14826 Electrical Proof of Closure Indicator for High Gas Pressure Switch quantity
PCB Main Board Replacement Part

Armstrong International

SKU: D133949
$1,125.99
MSRP: $1,294.89
You save 15%
Armstrong International D133949 PCB Main Board quantity
Pneumatic Temperature Switch, 10-60 PSI Range

Armstrong International

SKU: D126008
$568.33
MSRP: $653.58
You save 15%
Armstrong International D126008 Pneumatic Temperature Switch 10-60 PSI quantity
Pneumatic Temperature Switch, Model 2-9PS1

Armstrong International

SKU: D126007
$568.33
MSRP: $653.58
You save 15%
Armstrong International D126007 Pneumatic Temperature Switch 2-9PS1 quantity
Probe Level Assembly for Tap Water HumidiClean Units

Armstrong International

SKU: C4561
$1,425.99
MSRP: $1,639.89
You save 13%
Armstrong International C4561 Probe Level Assembly for Tap Water HumidiClean Units quantity
Float Switch Assembly for EHU Electronic Steam Humidifiers

Armstrong International

SKU: B2582A-1
$268.15
MSRP: $308.37
You save 13%
Armstrong International B2582A-1 Float Switch Assembly for EHU Electronic Steam Humidifiers quantity
Low Voltage Escutcheon Kit, 10-Pack

Amana-Goodman

SKU: REK10B
$172.39
MSRP: $198.25
You save 13%
Amana-Goodman REK10B Low Voltage Escutcheon Kit, 10-Pack quantity
Wireless Thermostat for Reliable HVAC Climate Control

Amana-Goodman

SKU: DSA02N0
$171.98
MSRP: $197.78
You save 15%
Amana-Goodman DSA02N0 Wireless Thermostat quantity
-0.65″wc SPST Pressure Switch with 1/4″ Barb Connection

Amana-Goodman

SKU: C6456513
$30.55
MSRP: $35.13
You save 15%
Amana-Goodman C6456513 -0.65"wc SPST Pressure Switch, 1/4" Barb quantity
Ignition Control Kit for Amana-Goodman Systems

Amana-Goodman

SKU: 20268501
$522.23
MSRP: $600.56
You save 15%
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-0.16″wc SPST 1/4″ Barb Connection Pressure Switch

Amana-Goodman

SKU: 20197314
$34.09
MSRP: $39.20
You save 15%
Amana-Goodman 20197314 -0.16"wc SPST 1/4" Barb Pressure Switch quantity
-0.37″wc SPST 1/4″ Barb Connection Pressure Switch

Amana-Goodman

SKU: 20197313
$32.90
MSRP: $37.84
You save 13%
Amana-Goodman 20197313 -0.37"wc SPST 1/4" Barb Pressure Switch quantity
OEM Interface Board for Amana-Goodman Systems

Amana-Goodman

SKU: 20158901
$562.39
MSRP: $646.75
You save 13%
Amana-Goodman 20158901 Interface Board quantity
-1.35″wc SPST 1/4″ Barb Connection Pressure Switch

Amana-Goodman

SKU: 20028401
$56.06
MSRP: $64.47
You save 15%
Amana-Goodman 20028401 -1.35"wc SPST 1/4" Barb Pressure Switch quantity