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 2065–2112 of 3399 resultsSorted by popularity

1.5″ DS FLAME SENSOR

Trane

SKU: SEN2145
$114.58
MSRP: $131.77
You save 15%
Trane SEN2145 1.5″ DS Flame Sensor quantity
Integrated Control Board

Trane

SKU: CNT7737
$192.63
MSRP: $221.52
You save 15%
Trane CNT7737 Integrated Control Board quantity
High Pressure Switch

Trane

SKU: SWT3273
$34.80
MSRP: $40.02
You save 15%
Trane SWT3273 High Pressure Switch quantity
Ambient Sensor 9.75k Ohms

Trane

SKU: SEN2304
$34.41
MSRP: $39.57
You save 15%
Trane SEN2304 Ambient Sensor 9.75k Ohms quantity
Non-Programmable Thermostat

Trane

SKU: BAYTRDM001
$139.83
MSRP: $160.80
You save 15%
Trane BAYTRDM001 Non‑Programmable Thermostat quantity
Control Board

Trane

SKU: CNT7941
$218.09
MSRP: $250.80
You save 15%
Trane CNT7941 Control Board quantity
Furnace Air Pressure Switch

Trane

SKU: SWT3073
$281.46
MSRP: $323.68
You save 15%
Trane SWT3073 Furnace Air Pressure Switch quantity
Furnace Air Pressure Switch

Trane

SKU: SWT2533
$111.69
MSRP: $128.44
You save 15%
Trane SWT2533 Furnace Air Pressure Switch quantity
Single‑Stage Integrated Furnace Control Board

Trane

SKU: CNT7738
$254.46
MSRP: $292.63
You save 15%
Trane CNT7738 Single‑Stage Integrated Furnace Control Board quantity
240 V SPST Thermostat / Temperature Control

Trane

SKU: THT2243
$22.62
MSRP: $26.01
You save 15%
Trane THT2243 240 V SPST Thermostat / Temperature Control quantity
Inducer Draft Blower

Trane

SKU: BLW1321
$416.70
MSRP: $479.21
You save 15%
Trane BLW1321 Inducer Draft Blower quantity
Ambient Temperature Sensor

Trane

SKU: SEN2495
$6.95
MSRP: $7.99
You save 15%
Trane SEN2495 Ambient Temperature Sensor quantity
Flame Sensor

Trane

SKU: SEN0297
$34.49
MSRP: $39.66
You save 15%
Trane SEN00297 Flame Sensor quantity
Temperature Sensor

Trane

SKU: SEN0296
$319.11
MSRP: $366.98
You save 15%
Trane SEN0296 Temperature Sensor quantity
Main Outdoor Control Board

Trane

SKU: BRD6611
$99.66
MSRP: $114.61
You save 15%
Trane BRD6611 Main Outdoor Control Board quantity
SPST N/C Temp Control

Trane

SKU: CNT1219
$64.55
MSRP: $74.23
You save 15%
Trane CNT1219 SPST N/C Temp Control quantity
SPNO Dual Pressure Switch

Trane

SKU: SWT4232
$131.28
MSRP: $150.97
You save 15%
Trane SWT4232 SPNO Dual Pressure Switch quantity
Defrost Control Board

Trane

SKU: CNT8176
$113.40
MSRP: $130.41
You save 15%
Trane CNT8176 Defrost Control Board quantity
Programmable Zone Sensor

Trane

SKU: SEN1577
$449.89
MSRP: $517.37
You save 15%
Trane SEN1577 Programmable Zone Sensor quantity
2‑Stage Furnace Control Board

Trane

SKU: CNT8120
$429.98
MSRP: $494.48
You save 15%
Trane CNT8120 2‑Stage Furnace Control Board quantity
Coil Temperature Sensor 9.75 Ω @ 75 °F

Trane

SKU: SEN1541
$30.94
MSRP: $35.58
You save 15%
Trane SEN1541 Coil Temperature Sensor 9.75 Ω @ 75 °F quantity
Gas Pressure Switch 40–200″ WC SPDT NEMA 4 Manual Reset with 24VDC Indicator Light

DUNGS Combustion Controls

SKU: 276646
$202.53
MSRP: $232.91
You save 15%
Read more
Air Pressure Switch 2.5–50 mBar SPDT IP54 Auto Reset

DUNGS Combustion Controls

SKU: 266953
$123.60
MSRP: $142.14
You save 15%
Read more
Gas Pressure Switch 1–20″ WC SPDT NEMA 4 Manual Reset with 24VDC Indicator Light

DUNGS Combustion Controls

SKU: 276643
$183.98
MSRP: $211.58
You save 15%
Dungs 276643 Gas Pressure Switch 1–20" WC SPDT NEMA 4 Manual Reset with 24VDC Indicator Light quantity
Gas Pressure Switch 1–20″ WC SPDT NEMA 4 Manual Reset with 24V Indicator Light

DUNGS Combustion Controls

SKU: 276641
$185.55
MSRP: $213.38
You save 15%
Dungs 276641 Gas Pressure Switch 1–20" WC SPDT NEMA 4 Manual Reset with 24V Indicator Light quantity
Gas Pressure Switch 12–60″ WC SPDT NEMA 4 Manual Reset with 24VDC Indicator Light

DUNGS Combustion Controls

SKU: 275249
$185.55
MSRP: $213.38
You save 15%
Dungs 275249 Gas Pressure Switch 12–60" WC SPDT NEMA 4 Manual Reset with 24VDC Indicator Light quantity
Gas Pressure Switch 1–20″ WC SPDT NEMA 4 Manual Reset with 24V Indicator Light

DUNGS Combustion Controls

SKU: 275244
$185.55
MSRP: $213.38
You save 15%
Read more
Gas Pressure Switch 0.16–1.2″ WC SPDT NEMA 4 Auto Reset

DUNGS Combustion Controls

SKU: 271329
$212.86
MSRP: $244.79
You save 15%
Read more
Air Pressure Switch 12–60″ WC SPDT NEMA 4

DUNGS Combustion Controls

SKU: 267145
$107.64
MSRP: $123.79
You save 15%
Dungs 267145 Air Pressure Switch 12–60" WC SPDT NEMA 4 quantity
Air Pressure Switch 0.4–3 mBar SPDT IP54 Auto Reset

DUNGS Combustion Controls

SKU: 266954
$143.24
MSRP: $164.73
You save 15%
Dungs 266954 Air Pressure Switch 0.4–3 mBar SPDT IP54 Auto Reset quantity
Gas Pressure Switch 40–200″ WC SPDT NEMA 4 Manual Reset

DUNGS Combustion Controls

SKU: 266948
$153.89
MSRP: $176.97
You save 15%
Read more
Gas Pressure Switch 12–60″ WC SPDT NEMA 4 Manual Reset

DUNGS Combustion Controls

SKU: 266947
$136.96
MSRP: $157.50
You save 15%
Dungs 266947 Gas Pressure Switch 12–60" WC SPDT NEMA 4 Manual Reset quantity
Gas Pressure Switch 12–60″ WC SPDT NEMA 4 Manual Reset

DUNGS Combustion Controls

SKU: 266943
$136.96
MSRP: $157.50
You save 15%
Dungs 266943 Gas Pressure Switch 12–60" WC SPDT NEMA 4 Manual Reset quantity
Gas Pressure Switch 1–20″ WC SPDT NEMA 4 Manual Reset

DUNGS Combustion Controls

SKU: 266942
$136.11
MSRP: $156.53
You save 15%
Dungs 266942 Gas Pressure Switch 1–20" WC SPDT NEMA 4 Manual Reset quantity
Air Pressure Switch 2–20″ WC SPDT NEMA 4

DUNGS Combustion Controls

SKU: 266936
$112.10
MSRP: $128.92
You save 15%
Dungs 266936 Air Pressure Switch 2–20" WC SPDT NEMA 4 quantity
0.4–4″ WC SPDT NEMA 4 Air Pressure Switch with 1/4″ NPT Positive & 1/8″ NPT Negative Ports

DUNGS Combustion Controls

SKU: 266934
$111.40
MSRP: $128.11
You save 15%
DUNGS 266934 0.4–4″ WC SPDT NEMA 4 Air Pressure Switch with 1/4″ NPT Positive & 1/8″ NPT Negative Ports quantity
0.16–1.2″ WC SPDT NEMA 4 Air Pressure Switch with 1/4″ NPT Positive & 1/8″ NPT Negative Ports

DUNGS Combustion Controls

SKU: 266932
$111.40
MSRP: $128.11
You save 15%
DUNGS 266932 0.16–1.2″ WC SPDT NEMA 4 Air Pressure Switch with 1/4″ NPT Positive & 1/8″ NPT Negative Ports quantity
40–200″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266930
$153.89
MSRP: $176.97
You save 15%
DUNGS 266930 40–200″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4 quantity
12–60″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266928
$136.11
MSRP: $156.53
You save 15%
DUNGS 266928 12–60″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4 quantity
12–60″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266925
$136.96
MSRP: $157.50
You save 15%
DUNGS 266925 12–60″ WC SPDT Manual Reset Gas Pressure Switch NEMA 4 quantity
40–200″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266923
$146.85
MSRP: $168.88
You save 15%
DUNGS 266923 40–200″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4 quantity
2–20″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266921
$129.94
MSRP: $149.43
You save 15%
DUNGS 266921 2–20″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4 quantity
0.4–4″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266920
$129.94
MSRP: $149.43
You save 15%
DUNGS 266920 0.4–4″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4 quantity
0.16–1.2″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266919
$129.94
MSRP: $149.43
You save 15%
DUNGS 266919 0.16–1.2″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4 quantity
2–20″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266916
$129.94
MSRP: $149.43
You save 15%
DUNGS 266916 2–20″ WC SPDT Auto Reset Gas Pressure Switch NEMA 4 quantity
2–20″ WC SPDT Air Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266912
$94.19
MSRP: $108.32
You save 15%
DUNGS 266912 2–20″ WC SPDT Air Pressure Switch NEMA 4 quantity
0.4–4″ WC SPDT Air Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266911
$93.98
MSRP: $108.08
You save 15%
DUNGS 266911 0.4–4″ WC SPDT Air Pressure Switch NEMA 4 quantity
0.16–1.2″ WC SPDT Air Pressure Switch NEMA 4

DUNGS Combustion Controls

SKU: 266910
$93.98
MSRP: $108.08
You save 15%
DUNGS 266910 0.16–1.2″ WC SPDT Air Pressure Switch NEMA 4 quantity

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