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 3985–4032 of 4992 resultsSorted by popularity

24 V 7‑Day Programmable Fan Coil Thermostat

Carrier

SKU: VST1075
$82.84
MSRP: $95.27
You save 15%
Carrier VST1075 24 V 7‑Day Programmable Fan Coil Thermostat quantity
Outside Air Temperature (OAT) Sensor

Carrier

SKU: HH57AC080
$115.75
MSRP: $133.11
You save 15%
Carrier HH57AC080 Outside Air Temperature (OAT) Sensor quantity
Circuit Board Upgrade Kit

Carrier

SKU: S17S0002N25U1
$761.73
MSRP: $875.99
You save 15%
Read more
24 V NC Zone Valve Actuator w/ End Switch

Carrier

SKU: 23B0012N13
$175.38
MSRP: $201.69
You save 15%
Carrier 23B0012N13 24 V NC Zone Valve Actuator w/ End Switch quantity
Carrier 345606-75101 OEM Printed Circuit Board / Control Board Kit

Carrier

SKU: 345606-75101
$477.55
MSRP: $549.18
You save 15%
Carrier 345606-75101 OEM Printed Circuit Board / Control Board Kit quantity
MP54 Differential Pressure Control – 36″ Capillary Tube for Reliable Compressor Oil Protection

Danfoss

SKU: 060B205391
$262.10
MSRP: $301.42
You save 15%
Danfoss 060B205391 MP54 Differential Pressure Control – 36" Capillary Tube for Reliable Compressor Oil Protection quantity
AME25SU 24V Actuator – 3-Point/Modulating 0–10VDC Control for Precision HVAC Valve Regulation

Danfoss

SKU: 082H3041
$798.15
MSRP: $917.87
You save 15%
Danfoss 082H3041 AME25SU 24V Actuator – 3-Point/Modulating 0–10VDC Control for Precision HVAC Valve Regulation quantity
TP2 Sensor MBT-153 – Precision Temperature Sensor for HVAC and Industrial Applications

Danfoss

SKU: 084N3016
$60.21
MSRP: $69.24
You save 15%
Danfoss 084N3016 TP2 Sensor MBT-153 – Precision Temperature Sensor for HVAC and Industrial Applications quantity
Dual Pressure Control – 6″/108 PSI Low, 100/600 PSI High, R410A Compatible, 36″ Capillary

Danfoss

SKU: 060-5254
$189.10
MSRP: $217.47
You save 15%
Read more
Dual Pressure Control – 6″/108 PSI Low, 100/600 PSI High, 2 SPDT Switches, 1/4″ Flare Connection

Danfoss

SKU: 060-5253
$180.00
MSRP: $207.00
You save 15%
Danfoss 060-5253 Dual Pressure Control – 6"/108 PSI Low, 100/600 PSI High, 2 SPDT Switches, 1/4" Flare Connection quantity
Dual Pressure Control – 28″/100 PSI Low, 100/465 PSI High, SPDT Manual Reset for HVAC and Refrigeration Systems

Danfoss

SKU: 060-5250
$187.44
MSRP: $215.56
You save 15%
Danfoss 060-5250 Dual Pressure Control – 28"/100 PSI Low, 100/465 PSI High, SPDT Manual Reset for HVAC and Refrigeration Systems quantity
Thermistor Sensor 4″

Carrier

SKU: HH79NZ029
$108.21
MSRP: $124.44
You save 15%
Carrier HH79NZ029 Thermistor Sensor 4" quantity
Oil Pressure Switch, #6 Cut-Out

Carrier

SKU: HK06UC011
$653.49
MSRP: $751.51
You save 15%
Carrier HK06UC011 Oil Pressure Switch, #6 Cut-Out quantity
Enthalpy Sensor

Carrier

SKU: HH680013
$124.99
MSRP: $359.36
You save 65%
Carrier HH680013 Enthalpy Sensor quantity
Outdoor/Air‑Temperature Sensor

Carrier

SKU: HH79NZ039
$52.44
MSRP: $60.31
You save 15%
Carrier HH79NZ039 Outdoor/Air‑Temperature Sensor quantity
Pressure Switch Kit

Carrier

SKU: 328529-752
$204.73
MSRP: $235.44
You save 15%
Carrier 328529‑752 Pressure Switch Kit quantity
Programmable Control Board

Carrier

SKU: S17S0001N05B
$397.68
MSRP: $457.33
You save 15%
Carrier S17S0001N05B Programmable Control Board quantity
Flue Gas Temperature Sensor

Burnham Boiler

SKU: 106066-01
$51.63
MSRP: $59.37
You save 15%
Burnham 106066‑01 Flue Gas Temperature Sensor quantity
Electric Baseboard Thermostat

Mysa Smart Thermostats

SKU: MYSABH V2
$132.30
MSRP: $152.15
You save 15%
Mysa Smart Thermostat MYSABH V2 Electric Baseboard Thermostat quantity
Furnace Control Board

Carrier

SKU: HK42FZ035
$893.51
MSRP: $1,027.54
You save 15%
Carrier HK42FZ035 Furnace Control Board quantity
Furnace Control Board

Carrier

SKU: CESO110057-02
$299.58
MSRP: $344.52
You save 15%
Carrier CESO110057-02 Furnace Control Board quantity
Furnace Control Board – OEM Replacement

Carrier

SKU: HK42FZ034
$560.66
MSRP: $644.76
You save 15%
Carrier HK42FZ034 Furnace Control Board – OEM Replacement for Carrier/Bryant/Payne Furnaces quantity
OEM Oil Furnace Fan Timer Board

Carrier

SKU: 20123102
$482.99
MSRP: $555.44
You save 15%
Carrier 20123102 – OEM Oil Furnace Fan Timer Board quantity
Outdoor Air / Mixed Air Temperature Sensor (20K NTC)

Carrier

SKU: HH79AH001
$124.95
MSRP: $143.69
You save 15%
Carrier HH79AH001 Outdoor Air / Mixed Air Temperature Sensor (20K NTC) quantity
Furnace Control Board – OEM Carrier/Bryant/Payne Replacement

Carrier

SKU: HK42FZ027
$552.75
MSRP: $635.66
You save 15%
Carrier HK42FZ027 Furnace Control Board – OEM Carrier/Bryant/Payne Replacement quantity
Pressure Switch 1/4″

Carrier

SKU: HK06WC090
$99.21
MSRP: $114.09
You save 15%
Carrier HK06WC090 Pressure Switch 1/4" quantity
KP-34 Auto Reset Pressure Control – 2–15 PSI Range, 2–6 PSI Differential, SPDT Switch for HVAC/R Systems

Danfoss

SKU: 060-214991
$201.88
MSRP: $232.16
You save 15%
Danfoss 060-214991 KP-34 Auto Reset Pressure Control – 2–15 PSI Range, 2–6 PSI Differential, SPDT Switch for HVAC/R Systems quantity
KPU6W Pressure Control – 100–600 PSI Range, SPDT 36″ Capillary, R410A Compatible

Danfoss

SKU: 060-5245
$112.65
MSRP: $129.55
You save 15%
Danfoss 060-5245 KPU6W Pressure Control – 100–600 PSI Range, SPDT 36" Capillary, R410A Compatible quantity
KPU6B Pressure Control – 100–600 PSI Range, SPDT Manual Reset, 1/4″ Flare Connection

Danfoss

SKU: 060-5244
$106.76
MSRP: $122.77
You save 15%
Danfoss 060-5244 KPU6B Pressure Control – 100–600 PSI Range, SPDT Manual Reset, 1/4" Flare Connection quantity
AKS 11 Temperature Sensor with 11.5′ Cable – Accurate Sensing for HVAC and Refrigeration Systems

Danfoss

SKU: 084N0003
$53.26
MSRP: $61.25
You save 15%
Danfoss 084N0003 AKS 11 Temperature Sensor with 11.5' Cable – Accurate Sensing for HVAC and Refrigeration Systems quantity
KPU5 Pressure Control – 100–465 PSI Range, SPST Auto Reset, 36″ Capillary for HVAC and Refrigeration Systems

Danfoss

SKU: 060-5242
$101.04
MSRP: $116.20
You save 15%
Danfoss 060-5242 KPU5 Pressure Control – 100–465 PSI Range, SPST Auto Reset, 36" Capillary for HVAC and Refrigeration Systems quantity
24V Floating 135° Motor – 50-Second Actuator for Precise Valve Control in HVAC Systems

Danfoss

SKU: 065F-8953
$710.64
MSRP: $817.24
You save 15%
Danfoss 065F8953 24V Floating 135° Motor – 50-Second Actuator for Precise Valve Control in HVAC Systems quantity
Oil Differential Pressure Control – 1/4″ Flare Connection, 120-Second Delay for Compressor Protection

Danfoss

SKU: 060B200791
$231.86
MSRP: $266.64
You save 15%
Danfoss 060B200791 Oil Differential Pressure Control – 1/4" Flare Connection, 120-Second Delay for Compressor Protection quantity
MP54 1/4″ Flare Differential Pressure Control – Reliable Safety Control for Compressor Protection

Danfoss

SKU: 060B200291
$239.79
MSRP: $275.76
You save 15%
Danfoss 060B200291 MP54 1/4" Flare Differential Pressure Control – Reliable Safety Control for Compressor Protection quantity
Danfoss 060-5233 Auto Reset Pressure Control – SPDT Switch, 6″ Range, 36″ Capillary for HVAC and Refrigeration Systems

Danfoss

SKU: 060-5233
$101.04
MSRP: $116.20
You save 15%
Danfoss 060-5233 Auto Reset Pressure Control – SPDT Switch, 6" Range, 36" Capillary for HVAC and Refrigeration Systems quantity
Danfoss 060L5208 KPU73 Temperature Control – SPDT Auto Reset, -20°F to 60°F Range for HVAC and Refrigeration Systems

Danfoss

SKU: 060L5208
$103.09
MSRP: $118.55
You save 15%
Danfoss 060L5208 KPU73 Temperature Control – SPDT Auto Reset, -20°F to 60°F Range for HVAC and Refrigeration Systems quantity
Danfoss 060-5231 Auto SPDT Pressure Control – 6″ Capillary, 108 PSI Range, 1/4″ Male Flare Connection

Danfoss

SKU: 060-5231
$94.26
MSRP: $108.40
You save 15%
Danfoss 060-5231 Auto SPDT Pressure Control – 6" Capillary, 108 PSI Range, 1/4" Male Flare Connection quantity
Danfoss 082F1111 RA2000 Modulating Valve Actuator – 0–10VDC ABNM Control for Precise HVAC Regulation

Danfoss

SKU: 082F-1111
$257.58
MSRP: $296.22
You save 15%
Danfoss 082F1111 RA2000 Modulating Valve Actuator – 0–10VDC ABNM Control for Precise HVAC Regulation quantity
Danfoss 084B8534 AK-CC210 115V Temperature Controller – Precise Electronic Control for HVAC and Refrigeration Systems

Danfoss

SKU: 084B8534
$211.79
MSRP: $243.56
You save 15%
Danfoss 084B8534 AK-CC210 115V Temperature Controller – Precise Electronic Control for HVAC and Refrigeration Systems quantity
Danfoss 082F1161 24V N/C ABNM Actuator – Reliable Normally Closed Actuator for HVAC and Hydronic Control Systems

Danfoss

SKU: 082F1161
$206.86
MSRP: $237.89
You save 15%
Danfoss 082F1161 24V N/C ABNM Actuator – Reliable Normally Closed Actuator for HVAC and Hydronic Control Systems quantity
Danfoss 082H5007 24V N/C AME13SD-1 Actuator – Precision Normally Closed Electronic Actuator for HVAC Valves

Danfoss

SKU: 082H5007
$362.25
MSRP: $416.59
You save 15%
Danfoss 082H5007 24V N/C AME13SD-1 Actuator – Precision Normally Closed Electronic Actuator for HVAC Valves quantity
Carrier HK42FZ018 OEM Furnace Control Board

Carrier

SKU: HK42FZ018
$433.10
MSRP: $498.07
You save 15%
Carrier HK42FZ018 OEM Furnace Control Board quantity
Carrier HK42FZ064 OEM Furnace Control Board – 24 V Replacement

Carrier

SKU: HK42FZ064
$905.53
MSRP: $1,041.36
You save 15%
Carrier HK42FZ064 OEM Furnace Control Board – 24 V Replacement quantity
Carrier HK42FZ014 – OEM Furnace Control Board Assembly for Carrier/Bryant/Payne Systems

Carrier

SKU: HK42FZ014
$627.33
MSRP: $721.43
You save 15%
Carrier HK42FZ014 – OEM Furnace Control Board Assembly for Carrier/Bryant/Payne Systems quantity
Carrier HK38EA023 OEM Defrost Control Board

Carrier

SKU: HK38EA023
$1,069.40
MSRP: $1,229.81
You save 15%
Carrier HK38EA023 OEM Defrost Control Board quantity
Carrier 33CS2PP2S‑03 EDGE Pro Commercial Programmable Thermostat – Multi‑Day Programmable, 2‑Stage Heat / 2‑Stage Cool

Carrier

SKU: 33CS2PP2S-03
$600.96
MSRP: $691.10
You save 15%
Carrier 33CS2PP2S‑03 EDGE Pro Commercial Programmable Thermostat – Multi‑Day Programmable, 2‑Stage Heat / 2‑Stage Cool quantity
Carrier ZS2PCAR (ZS2 Pro) Temperature Sensor – Communicating Zone Sensor with LCD Display for Building Automation Systems

Carrier

SKU: ZS2PCAR
$244.13
MSRP: $280.75
You save 15%
Carrier ZS2PCAR (ZS2 Pro) Temperature Sensor – Communicating Zone Sensor with LCD Display for Building Automation Systems quantity
Carrier HK38EA004 OEM Control / Circuit Board – Genuine HVAC Controller Board for Carrier/Bryant Equipment

Carrier

SKU: HK38EA004
$354.28
MSRP: $407.42
You save 15%
Carrier HK38EA004 OEM Control / Circuit Board – Genuine HVAC Controller Board for Carrier/Bryant Equipment quantity