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 2257–2304 of 3399 resultsSorted by popularity

Natural Gas Thermostat for Heating Control

Rheem

SKU: AP14732A
$153.32
MSRP: $176.32
You save 15%
Rheem AP14732A Natural Gas Thermostat for Heating Control quantity
Pressure Switch – HVAC Replacement

SKU: PD425141
$17.51
MSRP: $20.14
You save 15%
Read more
Furnace Control Board – HVAC Replacement

Rheem

SKU: 62-102860-06
$251.44
MSRP: $289.16
You save 13%
Rheem 62-102860-06 Furnace Control Board – HVAC Replacement quantity
Pressure Switch Assembly – HVAC Safety Component

Rheem

SKU: PD425145
$17.21
MSRP: $19.79
You save 15%
Rheem PD425145 Pressure Switch Assembly – HVAC Safety Component quantity
Integrated Furnace Control Board – OEM Replacement

Rheem

SKU: 62-24084-82
$322.68
MSRP: $371.08
You save 15%
Rheem 62-24084-82 Integrated Furnace Control Board – OEM Replacement quantity
Ignitor Sensor

Fenwal

SKU: 05-100000-426
$39.94
MSRP: $45.93
You save 15%
Fenwal 05‑100000‑426 Ignitor Sensor quantity
Ignitor Sensor

Fenwal

SKU: 05-100000-422
$52.80
MSRP: $60.72
You save 15%
Fenwal 05‑100000‑422 Ignitor Sensor quantity
Detect‑A‑Fire 325°F Heat Detector

Fenwal

SKU: 12-F27121-000-06
$350.13
MSRP: $402.65
You save 15%
Fenwal 12‑F27121‑000‑06 Detect‑A‑Fire 325°F Heat Detector quantity
Detect‑A‑Fire 325 °F Open‑on‑Rise

Fenwal

SKU: 12-F27120-000-06
$350.13
MSRP: $402.65
You save 15%
Fenwal 12‑F27120‑000‑06 Detect‑A‑Fire 325 °F Open‑on‑Rise quantity
Detect‑A‑Fire 600°F Heat Detector

Fenwal

SKU: 12-H28021-005-08
$507.78
MSRP: $583.95
You save 15%
Fenwal 12‑H28021‑005‑08 Detect‑A‑Fire 600°F Heat Detector quantity
Detect‑A‑Fire Heat Detector (450°F Open‑on‑Rise)

Fenwal

SKU: 12-G27120-022-07
$299.45
MSRP: $344.37
You save 15%
Fenwal 12‑G27120‑022‑07 Detect‑A‑Fire Heat Detector (450°F Open‑on‑Rise) quantity
Detect‑A‑Fire Close‑on‑Rise 190 °F Temperature Sensor

Fenwal

SKU: 12-E27121-020-04
$380.84
MSRP: $437.97
You save 15%
Fenwal 12‑E27121‑020‑04 Detect‑A‑Fire Close‑on‑Rise 190 °F Temperature Sensor quantity
Temperature Restraining/Locking Device

Fenwal

SKU: 01-990040-000
$12.81
MSRP: $14.73
You save 15%
Fenwal 01‑990040‑000 Temperature Restraining/Locking Device quantity
Detect‑A‑Fire 225°F Heat Detector

Fenwal

SKU: 12-E27121-000-05
$335.79
MSRP: $386.16
You save 15%
Fenwal 12‑E27121‑000‑05 Detect‑A‑Fire 225°F Heat Detector quantity
Detect‑A‑Fire Heat Detector (225°F Open‑on‑Rise)

Fenwal

SKU: 12-E28020-003-05
$446.35
MSRP: $513.30
You save 15%
Fenwal 12‑E28020‑003‑05 Detect‑A‑Fire Heat Detector (225°F Open‑on‑Rise) quantity
Detect‑A‑Fire 190 °F Open/Rise Thermal Detector

Fenwal

SKU: 12-E27121-000-04
$396.19
MSRP: $455.62
You save 15%
Fenwal 12‑E27121‑000‑04 Detect‑A‑Fire 190 °F Open/Rise Thermal Detector quantity
Detect-A-Fire 160°F Heat Detector

Fenwal

SKU: 12-E27121-000-03
$335.79
MSRP: $386.16
You save 15%
Read more
Detect‑A‑Fire 140°F

Fenwal

SKU: 12-E27121-000-02
$355.79
MSRP: $409.16
You save 15%
Fenwal 12‑E27121‑000‑02 Detect‑A‑Fire 140°F quantity
Flammable Vapor Sensor Kit – HVAC Safety Component

Rheem

SKU: SP20172
$41.25
MSRP: $47.44
You save 15%
Rheem SP20172 Flammable Vapor Sensor Kit – HVAC Safety Component quantity
120Vac Six Zone Manager for tN4 Thermostats and Zone Valves

Tekmar Control Systems

SKU: 335
$650.25
MSRP: $747.79
You save 15%
Tekmar Controls 335 120Vac Six Zone Manager for tN4 Thermostats and Zone Valves quantity
Furnace Control Board with Harness – Reliable HVAC System Component

Rheem

SKU: 62-25341-81
$399.89
MSRP: $459.87
You save 15%
Rheem 62-25341-81 Furnace Control Board with Harness – Reliable HVAC System Component quantity
120Vac Pump Sequencer Control

Tekmar Control Systems

SKU: 132
$875.25
MSRP: $1,006.54
You save 15%
Tekmar Controls 132 120Vac Pump Sequencer Control quantity
Detect‑A‑Fire Fire/Overheat Detector

Fenwal

SKU: 12-E27120-000-05
$335.79
MSRP: $386.16
You save 15%
Fenwal 12‑E27120‑000‑05 Detect‑A‑Fire Fire/Overheat Detector quantity
Detect‑A‑Fire 190F

Fenwal

SKU: 12-E27120-000-04
$313.26
MSRP: $360.25
You save 15%
Fenwal 12‑E27120‑000‑04 Detect‑A‑Fire 190F quantity
Thermal Switch Temperature Controller

Fenwal

SKU: 01-018023-000
$392.10
MSRP: $450.92
You save 15%
Fenwal 01‑018023‑000 Thermal Switch Temperature Controller quantity
Detect-A-Fire Fire/Overheat Detector (160 °F)

Fenwal

SKU: 12-E27120-000-03
$313.26
MSRP: $360.25
You save 15%
Read more
Flame Sensor – Reliable Furnace Ignition Component

Rheem

SKU: 62-23543-01
$9.11
MSRP: $10.48
You save 13%
Read more
Defrost Control Board Kit – Reliable HVAC System Component

Rheem

SKU: 47-102684-194
$114.10
MSRP: $131.22
You save 15%
Rheem 47-102684-194 Defrost Control Board Kit – Reliable HVAC System Component quantity
Exhaust Temperature Sensor – Accurate HVAC Monitoring Component

Rheem

SKU: AP14280-1
$63.53
MSRP: $73.06
You save 15%
Read more
Integrated Furnace Control – Reliable HVAC System Component

Rheem

SKU: 62-104058-02
$155.81
MSRP: $179.18
You save 15%
Rheem 62-104058-02 Integrated Furnace Control – Reliable HVAC System Component quantity
Fan Timer Control Kit – OEM HVAC Control Replacement

Rheem

SKU: 47-102686-81
$83.44
MSRP: $95.96
You save 13%
Rheem 47-102686-81 Fan Timer Control Kit – OEM HVAC Control Replacement quantity
Surface Mount Thermoswitch (50 °F – 300 °F)

Fenwal

SKU: 11-030000-000
$61.88
MSRP: $71.16
You save 15%
Read more
Limit Controller

Fenwal

SKU: 08-033024-106
$87.30
MSRP: $100.40
You save 15%
Read more
ThermoSwitch Temperature Control

Fenwal

SKU: 01-017002-306
$229.99
MSRP: $264.49
You save 15%
Fenwal 01-017002-306 ThermoSwitch Temperature Control quantity
Thermoswitch Temperature Control (-100 °F to 600 °F)

Fenwal

SKU: 01-017102-000
$376.74
MSRP: $433.25
You save 15%
Fenwal 01-017102-000 Thermoswitch Temperature Control (-100 °F to 600 °F) quantity
Pressure Switch Assembly – Reliable HVAC Safety Component

Rheem

SKU: PD425156
$17.21
MSRP: $19.79
You save 15%
Rheem PD425156 Pressure Switch Assembly – Reliable HVAC Safety Component quantity
Pressure Switch – 0.45″ WC HVAC Safety Component

Rheem

SKU: 42-101511-84
$122.54
MSRP: $140.92
You save 15%
Rheem 42-101511-84 Pressure Switch – 0.45" WC HVAC Safety Component quantity
Thermoswitch Controller-100-400f

Fenwal

SKU: 01-017002-000
$304.20
MSRP: $349.83
You save 15%
Fenwal 01‑017002‑000 Thermoswitch Controller-100-400f quantity
Control Board Kit – Reliable HVAC System Replacement

Rheem

SKU: 62-24133-82
$387.34
MSRP: $445.44
You save 13%
Rheem 62-24133-82 Control Board Kit – Reliable HVAC System Replacement quantity
Vacuum Switch – -0.54″ Pressure Furnace Safety Component

Rheem

SKU: SP11875
$36.12
MSRP: $41.54
You save 15%
Rheem SP11875 Vacuum Switch – -0.54" Pressure Furnace Safety Component quantity
Flame Sensing Rod

Fenwal

SKU: 22-100001-352
$29.81
MSRP: $34.28
You save 15%
Fenwal 22-100001-352 Flame Sensing Rod quantity
Ignitor Sensor

Fenwal

SKU: 22-100001-070
$43.88
MSRP: $50.46
You save 15%
Fenwal 22‑100001‑070 Ignitor Sensor quantity
Integrated Furnace Control – Reliable Furnace Operation Component

Rheem

SKU: 62-25338-01
$159.58
MSRP: $183.52
You save 15%
Rheem 62-25338-01 Integrated Furnace Control – Reliable Furnace Operation Component quantity
Gas Control (Thermostat) – Reliable Furnace Safety Component

Rheem

SKU: SP20832E
$306.43
MSRP: $352.39
You save 15%
Rheem SP20832E Gas Control (Thermostat) – Reliable Furnace Safety Component quantity
EcoNet 800 Smart Thermostat – Intelligent HVAC Control

Rheem

SKU: RETST800SYS
$381.83
MSRP: $439.10
You save 15%
Rheem RETST800SYS EcoNet 800 Smart Thermostat – Intelligent HVAC Control quantity
Fan Control Board Kit – Reliable HVAC Component

Rheem

SKU: 47-22481-81
$300.38
MSRP: $345.44
You save 13%
Rheem 47-22481-81 Fan Control Board Kit – Reliable HVAC Component quantity
Air Handler Control Board – Reliable HVAC System Component

Rheem

SKU: 47-102606-85
$176.24
MSRP: $202.68
You save 15%
Rheem 47-102606-85 Air Handler Control Board – Reliable HVAC System Component quantity
Low Limit Thermostat – 150°F Open / 40°F Close – Reliable Furnace Safety Component

Rheem

SKU: 47-102240-02K
$23.86
MSRP: $27.44
You save 13%
Rheem 47-102240-02K Low Limit Thermostat – 150°F Open / 40°F Close – Reliable Furnace Safety Component quantity

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