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 1825–1872 of 4050 resultsSorted by popularity

Pressure Switch, 2.5–50 in. W.C. Adjustable Range, SPDT, NEMA 4X Enclosure

United Electric

SKU: H100-524
$671.96
MSRP: $772.75
You save 15%
United Electric H100-524 Pressure Switch, 2.5–50 in. W.C. Adjustable Range, SPDT, NEMA 4X Enclosure quantity
Pressure Switch, 0–100 PSI Adjustable Range, 1/4″ NPT, SPDT, NEMA 1 Enclosure

United Electric

SKU: J40-230
$189.04
MSRP: $217.40
You save 15%
United Electric J40-230 Pressure Switch, 0–100 PSI Adjustable Range, 1/4" NPT, SPDT, NEMA 1 Enclosure quantity
Differential Pressure Switch, Adjustable Range, SPDT, Viton Diaphragm, NEMA 4X Enclosure

United Electric

SKU: H400K-456-M540
$687.05
MSRP: $790.11
You save 15%
Read more
Pressure Switch, 3–30 PSI Adjustable Range, SPDT

United Electric

SKU: H54S-24
$218.89
MSRP: $251.72
You save 15%
Read more
Differential Pressure Switch, 10–100 PSI Adjustable Range, SPDT, NEMA 1 Enclosure

United Electric

SKU: J54-25
$184.78
MSRP: $212.50
You save 15%
United Electric J54-25 Differential Pressure Switch, 10–100 PSI Adjustable Range, SPDT, NEMA 1 Enclosure quantity
Pressure Switch, 3–30 PSI Adjustable Range, SPDT, NEMA 1 Enclosure

United Electric

SKU: J54-24
$184.78
MSRP: $212.50
You save 15%
United Electric J54-24 Pressure Switch, 3–30 PSI Adjustable Range, SPDT, NEMA 1 Enclosure quantity
Pressure Switch, 5–80 in. W.C. Adjustable Range, SPDT, NEMA 4 Enclosure

United Electric

SKU: J400K-455
$637.44
MSRP: $733.06
You save 15%
United Electric J400K-455 Pressure Switch, 5–80 in. W.C. Adjustable Range, SPDT, NEMA 4 Enclosure quantity
Temperature Switch, 0–225°F Adjustable Range, SPDT, NEMA 4X Enclosure

United Electric

SKU: C100-120
$474.74
MSRP: $545.95
You save 15%
Read more
Pressure Switch, 0–90 PSI Adjustable Range, SPDT, NEMA 1 Enclosure

United Electric

SKU: J21K-254
$511.70
MSRP: $588.46
You save 15%
Read more
Differential Pressure Switch, 0–6 PSI Adjustable Range, SPDT, NEMA 4 Enclosure

United Electric

SKU: J21K-140
$735.71
MSRP: $846.07
You save 15%
United Electric J21K-140 Differential Pressure Switch, 0–6 PSI Adjustable Range, SPDT, NEMA 4 Enclosure quantity
Differential Pressure Switch, 10–100 PSI Adjustable Range, SPDT

United Electric

SKU: H54-25
$260.11
MSRP: $299.13
You save 15%
United Electric H54-25 Differential Pressure Switch, 10–100 PSI Adjustable Range, SPDT quantity
Pressure Switch, 10–100 PSI Adjustable Range, 1/2″ NPT, Weatherproof Enclosure

United Electric

SKU: J402K-S157B-M210
$1,650.70
MSRP: $1,898.31
You save 15%
United Electric J402K-S157B-M210 Pressure Switch, 10–100 PSI Adjustable Range, 1/2" NPT, Weatherproof Enclosure quantity
Pressure Switch, 30–600 PSI Adjustable Range, SPDT, NEMA 4 Enclosure

United Electric

SKU: 10F-12
$194.73
MSRP: $223.94
You save 15%
United Electric 10F-12 Pressure Switch, 30–600 PSI Adjustable Range, SPDT, NEMA 4 Enclosure quantity
Pressure Switch, 5–80 PSI Adjustable Range, SPDT, NEMA 4X Multi-Output

United Electric

SKU: H400K-455
$674.63
MSRP: $775.82
You save 15%
United Electric H400K-455 Pressure Switch, 5–80 PSI Adjustable Range, SPDT, NEMA 4X Multi-Output quantity
Pressure Switch, 180–3000 PSI Adjustable Range, SPDT, NEMA 4 Enclosure

United Electric

SKU: 10-E14
$180.51
MSRP: $207.59
You save 15%
United Electric 10-E14 Pressure Switch, 180–3000 PSI Adjustable Range, SPDT, NEMA 4 Enclosure quantity
Pressure Switch, Adjustable Range, SPDT, NEMA 4 Mini Switch

United Electric

SKU: 10-C14
$174.51
MSRP: $200.69
You save 15%
United Electric 10-C14 Pressure Switch, Adjustable Range, SPDT, NEMA 4 Mini Switch quantity
Differential Pressure Switch, 9–300 PSI Adjustable Range, 1/4″ NPT, NEMA 4 Enclosure

United Electric

SKU: H100-703
$272.90
MSRP: $313.84
You save 15%
United Electric H100-703 Differential Pressure Switch, 9–300 PSI Adjustable Range, 1/4" NPT, NEMA 4 Enclosure quantity
Pressure Switch, 30–600 PSI Adjustable Range, SPDT, NEMA 4 Mini Switch

United Electric

SKU: 10-C12
$174.51
MSRP: $200.69
You save 15%
United Electric 10-C12 Pressure Switch, 30–600 PSI Adjustable Range, SPDT, NEMA 4 Mini Switch quantity
Pressure Switch, 10–150 PSI Adjustable Range, SPDT, NEMA 4 Mini Switch

United Electric

SKU: 10-C11
$174.51
MSRP: $200.69
You save 15%
United Electric 10-C11 Pressure Switch, 10–150 PSI Adjustable Range, SPDT, NEMA 4 Mini Switch quantity
Direct Drive Fan Assembly, SZ05/SZ07 Units

Enviro-tec

SKU: 16-13010-01
$476.05
MSRP: $547.46
You save 15%
Enviro-Tec 16-13010-01 Direct Drive Fan Assembly, SZ05/SZ07 Units quantity
On/Off Timing Module

Littelfuse

SKU: CT1S45
$32.88
MSRP: $37.81
You save 15%
Littelfuse CT1S45 On/Off Timing Module quantity
Pressure Switch, SPDT, 1.5–30 PSI Adjustable Range, NEMA 4 Enclosure

United Electric

SKU: H100-701
$272.90
MSRP: $313.84
You save 15%
United Electric H100-701 Pressure Switch, SPDT, 1.5–30 PSI Adjustable Range, NEMA 4 Enclosure quantity
Pressure Switch, 15–300 PSI Adjustable Range, NEMA 4 Enclosure

United Electric

SKU: H100-192
$335.45
MSRP: $385.77
You save 15%
United Electric H100-192 Pressure Switch, 15–300 PSI Adjustable Range, NEMA 4 Enclosure quantity
Pressure Switch, 10–100 PSI Adjustable Range, NEMA 4 Enclosure

United Electric

SKU: H100-191
$335.45
MSRP: $385.77
You save 15%
United Electric H100-191 Pressure Switch, 10–100 PSI Adjustable Range, NEMA 4 Enclosure quantity
Differential Pressure Switch

United Electric

SKU: J21K-15979
$2,406.53
MSRP: $2,767.51
You save 15%
United Electric J21K-15979 Differential Pressure Switch quantity
Vertical J-Box Adapter Wall Plate

Braeburn

SKU: 2940
$7.99
MSRP: $9.19
You save 15%
Braeburn 2940 Vertical J-Box Adapter Wall Plate for Thermostat quantity
Pressure Switch – SPDT

United Electric

SKU: 10-C10
$174.51
MSRP: $200.69
You save 15%
United Electric 10-C10 Pressure Switch – SPDT quantity
Pressure Switch – SPDT, 3–30 PSI

United Electric

SKU: H54-24
$260.11
MSRP: $299.13
You save 15%
United Electric H54-24 Pressure Switch – SPDT, 3–30 PSI quantity
Delta-Pro Differential Pressure Switch

United Electric

SKU: 24-014/M262
$250.16
MSRP: $287.68
You save 15%
United Electric 24-014/M262 Delta-Pro Differential Pressure Switch quantity
AC/DC Actuator

Enviro-tec

SKU: PC-02-0400
$263.50
MSRP: $303.03
You save 15%
Enviro-Tec PC-02-0400 AC/DC Actuator quantity
Control with Indicator

Air Products and Controls

SKU: MSR-100R/R
$91.43
MSRP: $105.14
You save 15%
Air Products & Controls MSR-100R/R Control with Indicator quantity
Rotary Damper Actuator 150s

Trane

SKU: ACT0459
$388.00
MSRP: $446.20
You save 15%
Trane ACT0459 Rotary Damper Actuator 150s quantity
Low Pressure Switch – Opens at 250 PSI

Trane

SKU: SWT3173
$20.75
MSRP: $23.86
You save 15%
Read more
Digital Temperature Sensor

Trane

SKU: SEN2362
$442.98
MSRP: $509.43
You save 15%
Trane SEN2362 Digital Temperature Sensor quantity
Temperature Sensor – 2.5″ Insertion for 3/8″ Tube

Trane

SKU: SEN2124
$25.95
MSRP: $29.84
You save 15%
Trane SEN2124 Temperature Sensor – 2.5" Insertion for 3/8" Tube quantity
Pressure Transducer 700 PSI 7/16-20 UNF

Trane

SKU: TDR0737
$330.23
MSRP: $379.76
You save 15%
Trane TDR0737 Pressure Transducer 700 PSI 7/16-20 UNF quantity
Defrost Control Board

Trane

SKU: CNT8175
$117.71
MSRP: $135.37
You save 15%
Trane CNT8175 Defrost Control Board quantity
Control Board

Trane

SKU: CNT8181
$409.23
MSRP: $470.61
You save 15%
Trane CNT8181 Control Board quantity
Valve Actuator 120V

Enviro-tec

SKU: PC-00-0250
$116.63
MSRP: $134.12
You save 15%
Enviro-tec PC-00-0250 Valve Actuator 120V quantity
Fan Control Replacement Kit FCRB/FRBII

Enviro-tec

SKU: 66-13060-03
$754.60
MSRP: $867.79
You save 15%
Enviro-Tec 66-13060-03 Fan Control Replacement Kit FCRB/FRBII quantity
120v Actuator

Enviro-tec

SKU: PC-00-0763
$176.40
MSRP: $202.86
You save 15%
Enviro-tec PC-00-0763 120v Actuator quantity
Unitary Control Processor

Trane

SKU: MOD1802
$1,131.01
MSRP: $1,300.66
You save 15%
Trane MOD1802 Unitary Control Processor quantity
High Pressure Switch

Trane

SKU: SWT4049
$25.96
MSRP: $29.85
You save 15%
Trane SWT4049 High Pressure Switch quantity
High Pressure Switch

Trane

SKU: SWT3172
$18.28
MSRP: $21.02
You save 15%
Trane SWT3172 High Pressure Switch quantity
Suction Line Sensor 0.750 Inch

Trane

SKU: SEN02919
$102.79
MSRP: $118.21
You save 15%
Trane SEN02919 Suction Line Sensor 0.750 Inch quantity
Pneumatic Actuator 5–10 PSI 3 Inch Stroke

Enviro-tec

SKU: 00-13192-03
$297.68
MSRP: $342.33
You save 15%
Enviro-tec 00-13192-03 Pneumatic Actuator 5–10 PSI 3 Inch Stroke quantity
Temporary Construction Thermostat | Pre-Set, Non-Adjustable, 24VAC

iO HVAC Controls

SKU: iO-TS-10
Price range: $60.10 through $93.80
Select options
This product has multiple variants. The options may be chosen on the product page
Variable Speed Drive Assembly

Trane

SKU: DRV03847
$1,245.48
MSRP: $1,432.30
You save 15%
Trane DRV03847 Variable Speed Drive Assembly quantity

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