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.

Filter

Brand

Voltage

Temperature

Size

Frequency

Brand

Voltage

Temperature

Size

Frequency

Showing 4081–4128 of 5125 resultsSorted by popularity

OEM Control Board with Time-Delay Relay

Carrier

SKU: HK61EA006
$105.84
MSRP: $121.72
You save 15%
Carrier HK61EA006 OEM Control Board with Time-Delay Relay quantity
Pressure Switch – 3″ Water Column SPST Air/Pressure Control

Carrier

SKU: HK06WC069
$88.58
MSRP: $101.87
You save 15%
Carrier HK06WC069 Pressure Switch – 3″ Water Column SPST Air/Pressure Control quantity
Photoelectric Duct Smoke Sensor

Carrier

SKU: HK50ZT001
$901.20
MSRP: $1,036.38
You save 15%
Carrier HK50ZT001 Photoelectric Duct Smoke Sensor quantity
Flame Sensor – Reliable Flame Detection for Gas Furnaces and Heating Systems

Armstrong Furnace

SKU: R38492B001
$23.33
MSRP: $26.83
You save 15%
Armstrong R38492B001 Flame Sensor – Reliable Flame Detection for Gas Furnaces and Heating Systems quantity
KPU6B Pressure Control – 100/600 PSI SPDT Manual Reset with 36″ Capillary for HVAC and Refrigeration Systems

Danfoss

SKU: 060-5246
$108.74
MSRP: $125.05
You save 15%
Danfoss 060-5246 KPU6B Pressure Control – 100/600 PSI SPDT Manual Reset with 36" Capillary for HVAC and Refrigeration Systems quantity
Current Sensor Board

Carrier

SKU: HK50AA035
$131.43
MSRP: $151.14
You save 15%
Carrier HK50AA035 Current Sensor Board quantity
Remote Temperature Probe – 60″ Pipe-Mount Temperature Sensor

Carrier

SKU: G100-70289342
$123.63
MSRP: $142.17
You save 15%
Carrier G100‑70289342 Remote Temperature Probe – 60″ Pipe-Mount Temperature Sensor quantity
Enthalpy Sensor

Carrier

SKU: 9901-0018
$702.09
MSRP: $807.40
You save 15%
Carrier 9901‑0018 Enthalpy Sensor quantity
Furnace Control Board

Carrier

SKU: CESO110074-01
$436.66
MSRP: $502.16
You save 15%
Carrier CESO110074‑01 Furnace Control Board quantity
Timer/Defrost Board

Carrier

SKU: CESO110063-02
$180.21
MSRP: $207.24
You save 15%
Carrier CESO110063‑02 Timer/Defrost Board quantity
Programmable Thermostat (2-Heat / 2-Cool)

Carrier

SKU: VST0051FS
$88.13
MSRP: $101.35
You save 15%
Carrier VST0051FS – Programmable Thermostat (2-Heat / 2-Cool) quantity
Control Board

Carrier

SKU: HK42FZ061
$292.36
MSRP: $336.21
You save 15%
Carrier HK42FZ061 Control Board quantity
Control Board

Carrier

SKU: HK42FZ036
$464.25
MSRP: $533.89
You save 15%
Carrier HK42FZ036 Control Board quantity
Dual Pressure Switch

Carrier

SKU: HK06MB012
$93.06
MSRP: $107.02
You save 15%
Carrier HK06MB012 Dual Pressure Switch quantity
Dual Pressure Switch Kit

Carrier

SKU: HK06MC058
$73.59
MSRP: $84.63
You save 15%
Carrier HK06MC058 Dual Pressure Switch Kit quantity
Control Circuit Board/Plug Kit

Carrier

SKU: 325878-751
$464.28
MSRP: $533.92
You save 15%
Carrier 325878‑751 Control Circuit Board/Plug Kit quantity
Low Pressure Transducer

Carrier

SKU: 00PPG000030700A
$259.56
MSRP: $298.49
You save 15%
Carrier 00PPG000030700A Low Pressure Transducer quantity
Differential Pressure Switch 1.17″ W.C.

Burnham Boiler

SKU: 104604-01
$53.74
MSRP: $61.80
You save 15%
Burnham 104604-01 Differential Pressure Switch 1.17″ W.C. quantity
AK-XM205B I/O Module – Advanced Input/Output Expansion Module for AK-SM System Managers

Danfoss

SKU: 080Z0017
$635.31
MSRP: $730.61
You save 15%
Danfoss 080Z0017 AK-XM205B I/O Module – Advanced Input/Output Expansion Module for AK-SM System Managers quantity
AME435QM 24V Actuator – 0–10VDC Modulating Control for Precision HVAC Valve Operation

Danfoss

SKU: 082H0171
$477.60
MSRP: $549.24
You save 15%
Danfoss 082H0171 AME435QM 24V Actuator – 0–10VDC Modulating Control for Precision HVAC Valve Operation quantity
Refrigerator Thermostat with Auto Defrost – Reliable Temperature Control for Domestic and Commercial Cooling Systems

Danfoss

SKU: 077B7003
$54.80
MSRP: $63.02
You save 15%
Danfoss 077B7003 Refrigerator Thermostat with Auto Defrost – Reliable Temperature Control for Domestic and Commercial Cooling Systems quantity
Thermostat – Adjustable -4.5°C to -11.8°C Temperature Control for Refrigeration Systems

Danfoss

SKU: 077B0020
$54.80
MSRP: $63.02
You save 15%
Danfoss 077B0020 Thermostat – Adjustable -4.5°C to -11.8°C Temperature Control for Refrigeration Systems quantity
Danfoss 082F1150 24V N/C Actuator – Reliable Normally Closed Actuator for HVAC and Hydronic Control Systems

Danfoss

SKU: 082F1150
$81.06
MSRP: $93.22
You save 15%
Danfoss 082F1150 24V N/C Actuator – Reliable Normally Closed Actuator for HVAC and Hydronic Control Systems quantity
Cartridge Pressure Switch – ACB‑2UA526W LP 1.7–2.7 bar, ¼″ Flare Female, SPST‑NO

Danfoss

SKU: 061F7526
$55.91
MSRP: $64.30
You save 15%
Danfoss 061F7526 Cartridge Pressure Switch – ACB‑2UA526W LP 1.7–2.7 bar, ¼″ Flare Female, SPST‑NO quantity
Flame Sensor

Carrier

SKU: LH680534
$42.31
MSRP: $48.66
You save 15%
Carrier LH680534 Flame Sensor quantity
Control Board

Carrier

SKU: HK50AA054
$2,767.53
MSRP: $3,182.66
You save 15%
Carrier HK50AA054 Control Board quantity
High Pressure Switch

Carrier

SKU: HK02ZZ001
$66.13
MSRP: $76.05
You save 15%
Carrier HK02ZZ001 High Pressure Switch quantity
Control Board

Carrier

SKU: HK42FZ086
$370.29
MSRP: $425.83
You save 15%
Carrier HK42FZ086 Control Board quantity
Pressure Transducer

Carrier

SKU: HK05YZ007
$745.69
MSRP: $857.54
You save 15%
Carrier HK05YZ007 Pressure Transducer quantity
Discharge Pressure Transducer

Carrier

SKU: HK05ZZ001
$162.81
MSRP: $187.23
You save 15%
Carrier HK05ZZ001 Discharge Pressure Transducer quantity
Rectifier Control Board

Carrier

SKU: HK61EA034
$80.51
MSRP: $92.59
You save 15%
Carrier HK61EA034 Rectifier Control Board quantity
Pressure Switch – CO/10, CI/25, SPST N/O for Reliable HVAC and Refrigeration System Control

Danfoss

SKU: 061F7523
$31.00
MSRP: $35.65
You save 15%
Danfoss 061F7523 Pressure Switch – CO/10, CI/25, SPST N/O for Reliable HVAC and Refrigeration System Control quantity
Pressure Switch – CO/250, CI/190, SPST N/C for Reliable System Control in HVAC and Refrigeration

Danfoss

SKU: 061F750601
$20.91
MSRP: $24.05
You save 15%
Danfoss 061F750601 Pressure Switch – CO/250, CI/190, SPST N/C for Reliable System Control in HVAC and Refrigeration quantity
AME25SD 24V Actuator – 3-Point/Modulating 0–10VDC Control for Precision HVAC Valve Operation

Danfoss

SKU: 082H3038
$798.15
MSRP: $917.87
You save 15%
Danfoss 082H3038 AME25SD 24V Actuator – 3-Point/Modulating 0–10VDC Control for Precision HVAC Valve Operation quantity
AME110NL 24V Actuator – Reliable Valve Actuator for Precise HVAC Control

Danfoss

SKU: 082H5004
$301.84
MSRP: $347.12
You save 15%
Danfoss 082H5004 AME110NL 24V Actuator – Reliable Valve Actuator for Precise HVAC Control quantity
Oil Pressure Switch

Carrier

SKU: HK06UC001
$641.08
MSRP: $737.24
You save 15%
Carrier HK06UC001 OEM Oil Pressure Switch quantity
Electric Actuator – AE Series, 400 in-lb Torque, 115 V/120 V

Conbraco Industries

SKU: AE-400-10
$1,238.38
MSRP: $1,424.14
You save 15%
Conbraco AE-400-10 Electric Actuator AE Series 400 in-lb Torque 115-120V quantity
OEM Flame Sensor – Direct Drop‑In Replacement Sensor

Carrier

SKU: 48GS400192
$19.96
MSRP: $22.95
You save 15%
Carrier 48GS400192 OEM Flame Sensor – Direct Drop‑In Replacement Sensor quantity
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