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 3649–3696 of 4992 resultsSorted by popularity

Pressure Switch –0.70″ WC High Fire

Rheem

SKU: PD425155
$17.21
MSRP: $19.79
You save 15%
Rheem PD425155 Pressure Switch –0.70" WC High Fire quantity
Dual Pressure Switch – Reliable HVAC Control

Rheem

SKU: 42-102056-28
$39.56
MSRP: $45.49
You save 15%
Rheem 42-102056-28 Dual Pressure Switch – Reliable HVAC Control quantity
Veridigm Control Board

Reznor

SKU: 257246
$1,224.96
MSRP: $1,408.70
You save 15%
Reznor 257246 Veridigm Control Board quantity
Amplifier Control Module

Reznor

SKU: 148590
$1,285.45
MSRP: $1,478.27
You save 15%
Reznor 148590 Amplifier Control Module quantity
High Pressure Switch

Reznor

SKU: 93850
$378.89
MSRP: $435.72
You save 15%
Reznor 93850 High Pressure Switch quantity
Room/Ambient Temperature Sensor

Amana-Goodman

SKU: 39000191
$3.26
MSRP: $3.75
You save 15%
Read more
Detect-A-Fire 450°F Heat Detector

Fenwal

SKU: 12-G27121-020-07
$330.33
MSRP: $379.88
You save 15%
Fenwal 12-G27121-020-07 Detect-A-Fire 450°F Heat Detector quantity
Ignitor Sensor

Fenwal

SKU: 22-100000-630
$62.10
MSRP: $71.42
You save 15%
Fenwal 22-100000-630 Ignitor Sensor quantity
0.4″ WC SPST Pressure Switch – Reliable HVAC Control

Rheem

SKU: 42-101955-02K
$29.61
MSRP: $34.05
You save 15%
Rheem 42-101955-02K 0.4" WC SPST Pressure Switch – Reliable HVAC Control quantity
ECO Thermistor Assembly (Top) – Accurate Temperature Sensor

Rheem

SKU: SP15100
$32.16
MSRP: $36.98
You save 15%
Rheem SP15100 ECO Thermistor Assembly (Top) – Accurate Temperature Sensor quantity
Ignitor Sensor

Fenwal

SKU: 22-100000-540
$56.81
MSRP: $65.33
You save 13%
Fenwal 22-100000-540 Ignitor Sensor quantity
Rooftop Unit Controller for HVAC Systems

Rheem

SKU: 47-102883-04
$522.36
MSRP: $600.71
You save 13%
Read more
Defrost Control Board Kit for HVAC Systems

Rheem

SKU: 47-102684-204
$98.51
MSRP: $113.29
You save 15%
Rheem 47-102684-204 Defrost Control Board Kit for HVAC Systems quantity
Natural Gas Thermostat for Heating Control

Rheem

SKU: AP14732A
$212.43
MSRP: $244.29
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%
Rheem PD425141 Pressure Switch – HVAC Replacement quantity
Furnace Control Board – HVAC Replacement

Rheem

SKU: 62-102860-06
$251.44
MSRP: $289.16
You save 13%
Read more
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%
Read more
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%
Read more
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 160°F Heat Detector

Fenwal

SKU: 12-E27121-000-03
$335.79
MSRP: $386.16
You save 15%
Fenwal 12-E27121-000-03 Detect-A-Fire 160°F Heat Detector quantity
Detect‑A‑Fire 140°F

Fenwal

SKU: 12-E27121-000-02
$311.80
MSRP: $358.57
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
$778.00
Read more
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
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
$335.79
MSRP: $386.16
You save 15%
Fenwal 12-E27120-000-03 Detect-A-Fire Fire/Overheat Detector (160 °F) quantity
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
$76.96
MSRP: $88.50
You save 15%
Rheem AP14280-1 Exhaust Temperature Sensor – Accurate HVAC Monitoring Component quantity
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