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 2209–2256 of 4050 resultsSorted by popularity

–0.6″ WC SPST Pressure Switch for HVAC Systems

Amana-Goodman

SKU: 0130F00504
$16.01
MSRP: $18.41
You save 15%
Amana 0130F00504 –0.6" WC SPST Pressure Switch for HVAC Systems quantity
420–610 PSI High Pressure Switch for HVAC Systems

Amana-Goodman

SKU: 0130R00003SP
$62.76
MSRP: $72.17
You save 15%
Amana 0130R00003SP 420–610 PSI High Pressure Switch for HVAC Systems quantity
2-1/2″ Commercial Pressure Gauge, 0–100 PSI

Ashcroft

SKU: XR0251F11
$62.49
MSRP: $71.86
You save 15%
Ashcroft XR0251F11 2-1/2" Commercial Pressure Gauge, 0–100 PSI quantity
2.5″ Dry Case Industrial Pressure Gauge

Ashcroft

SKU: 52212459
$57.90
MSRP: $66.59
You save 15%
Ashcroft 52212459 (WIKA 212.53) 2.5" Dry Case Industrial Pressure Gauge quantity
B-Series Pressure Switch, 0–150″ W.C.

Ashcroft

SKU: B424B-150WC
$405.01
MSRP: $465.76
You save 15%
Ashcroft B424B-150WC B-Series Pressure Switch, 0–150" W.C. quantity
2-1/2″ Type 1005 Commercial Pressure Gauge

Ashcroft

SKU: 25W1005H02L-0/60
$30.23
MSRP: $34.76
You save 15%
Ashcroft 25W1005H02L-0/60 2-1/2" Type 1005 Commercial Pressure Gauge quantity
Discharge Air Temperature Sensor for Series 94 Selectra Systems 0-300°F

Maxitrol

SKU: TS194
$81.66
MSRP: $93.91
You save 15%
Maxitrol TS194 Discharge Air Temperature Sensor for Series 94 Selectra Systems 0-300°F quantity
Discharge Air Temperature Sensor 100-250F

Maxitrol

SKU: TS114E
$143.40
MSRP: $164.91
You save 15%
Maxitrol TS114E Discharge Air Temperature Sensor 100-250F quantity
Discharge Air Temperature Sensor 120–170 °F

Maxitrol

SKU: TS114B
$143.46
MSRP: $164.98
You save 15%
Maxitrol TS114B Discharge Air Temperature Sensor 120–170 °F quantity
Amplifier/Selector 100–500 °F with LCD Display

Maxitrol

SKU: AD1094C-1050
$878.60
MSRP: $1,010.39
You save 15%
Maxitrol AD1094C-1050 Amplifier/Selector 100–500 °F with LCD Display quantity
Remote Selector Display Interface

Maxitrol

SKU: TDM02
$895.11
MSRP: $1,029.38
You save 13%
Maxitrol TDM02 Remote Selector Display Interface quantity
Remote Temperature Selector 60–160 °F LED Display

Maxitrol

SKU: TD94E-0616
$426.83
MSRP: $490.85
You save 15%
Maxitrol TD94E‑0616 Remote Temperature Selector 60–160 °F LED Display quantity
Remote Temperature Selector 40–90 °F with LED Display

Maxitrol

SKU: TD94E-0409
$426.83
MSRP: $490.85
You save 15%
Maxitrol TD94E‑0409 Remote Temperature Selector 40–90 °F with LED Display quantity
Panel Mount Space Temperature Selector 55–90 °F

Maxitrol

SKU: TD244P
$98.43
MSRP: $113.19
You save 15%
Maxitrol TD244P Panel Mount Space Temperature Selector 55–90 °F quantity
Wall Mount Space Temperature Selector (40–80 °F)

Maxitrol

SKU: TD244A
$179.23
MSRP: $206.11
You save 15%
Maxitrol TD244A Wall Mount Space Temperature Selector (40–80 °F) quantity
Dual Remote Temperature Selector with Range Switch

Maxitrol

SKU: TD214G
$356.24
MSRP: $409.68
You save 15%
Maxitrol TD214G Dual Remote Temperature Selector with Range Switch quantity
Remote Temperature Selector 90–140 °F

Maxitrol

SKU: TD114G
$124.00
MSRP: $142.60
You save 15%
Maxitrol TD114G Remote Temperature Selector 90–140 °F quantity
Remote Discharge Air Temperature Selector 55–90 °F

Maxitrol

SKU: TD114F
$124.00
MSRP: $142.60
You save 15%
Maxitrol TD114F Remote Discharge Air Temperature Selector 55–90 °F quantity
Discharge Air Temperature Selector 100–250 °F

Maxitrol

SKU: TD114E
$189.73
MSRP: $218.19
You save 15%
Maxitrol TD114E Discharge Air Temperature Selector 100–250 °F quantity
Discharge Air Temperature Selector 55–90 °F

Maxitrol

SKU: TD114-2
$169.49
MSRP: $194.91
You save 15%
Maxitrol TD114-2 Discharge Air Temperature Selector 55–90 °F quantity
Remote Selector Discharge Air Sensor 55–90°F

Maxitrol

SKU: TD114-1
$128.38
MSRP: $147.64
You save 15%
Maxitrol TD114-1 Remote Selector Discharge Air Sensor 55–90°F quantity
HSI Furnace Control with 3-Speed Fan Outputs

Baso Gas Products

SKU: CF830CA-1C
$186.81
MSRP: $214.83
You save 15%
Baso Gas Products CF830CA-1C HSI Furnace Control with 3-Speed Fan Outputs quantity
Pneumatic Bulb Thermostat – Two-Pipe Reverse Acting (-20° to 240°F)

Crandall Stats & Sensors

SKU: TK-6124-CSS
$692.93
MSRP: $796.87
You save 15%
Crandall TK-6124-CSS Pneumatic Bulb Thermostat – Two-Pipe Reverse Acting (-20° to 240°F) quantity
Pneumatic Room Thermostat Reverse Acting 55–85°F

Crandall Stats & Sensors

SKU: TK-1101-0-CSS
$200.93
MSRP: $231.07
You save 15%
Crandall TK-1101-0-CSS Pneumatic Room Thermostat Reverse Acting 55–85°F quantity
Pneumatic Room Thermostat 55–85°F

Crandall Stats & Sensors

SKU: TK-1001-0-CSS
$205.61
MSRP: $236.45
You save 15%
Read more
Wire Stat Guard 4.25×2.62×1.62

Crandall Stats & Sensors

SKU: AT-1103-CSS
$61.33
MSRP: $70.53
You save 15%
Crandall AT-1103-CSS Wire Stat Guard 4.25x2.62x1.62 quantity
Unit Vent Thermostat Direct Acting 65–85 °F

Crandall Stats & Sensors

SKU: 2298-061-CSS
$312.34
MSRP: $359.19
You save 15%
Read more
Pneumatic Room Thermostat 48 Pack, Reverse Acting 55–85°F

Crandall Stats & Sensors

SKU: 2212-119-48-CSS
$6,146.01
MSRP: $7,067.91
You save 15%
Crandall 2212-119-48-CSS Pneumatic Room Thermostat 48 Pack, Reverse Acting 55–85°F quantity
Pneumatic Thermostats 55–85°F (48 Pack)

Crandall Stats & Sensors

SKU: 2212-118-48-CSS
$5,545.71
MSRP: $6,377.57
You save 15%
Read more
Unit Vent Thermostat RA 65/85°F

Crandall Stats & Sensors

SKU: 2298-062-CSS
$208.49
MSRP: $239.76
You save 15%
Crandall 2298-062-CSS Unit Vent Thermostat RA 65/85°F quantity
Unit Ventilator Thermostat 16 PSI RA / 25 PSI DA

Crandall Stats & Sensors

SKU: 2298-060-CSS
$313.74
MSRP: $360.80
You save 15%
Crandall 2298-060-CSS Unit Ventilator Thermostat 16 PSI RA / 25 PSI DA quantity
Thermostat Cover

Crandall Stats & Sensors

SKU: AT-11-401-CSS
$45.83
MSRP: $52.70
You save 15%
Read more
Static/Differential Pressure Transmitter 0–3″ WC

Crandall Stats & Sensors

SKU: 2323-500-CSS
$200.39
MSRP: $230.45
You save 15%
Crandall 2323-500-CSS Static/Differential Pressure Transmitter 0–3" WC quantity
Wi-Fi Smart Thermostat

PECO

SKU: T8168W-3
$159.99
MSRP: $183.99
You save 15%
PECO Controls T8168W-3 Wi-Fi Smart Thermostat quantity
Humid Sensor Control 2‑10V Duct

Nortec

SKU: 2597926
$513.68
MSRP: $590.73
You save 15%
Nortec 2597926 Humid Sensor Control 2‑10V Duct quantity
Air Pressure Switch .05-1″ W.C.

A.J. Antunes

SKU: 8224210020
$99.64
MSRP: $114.59
You save 15%
.A.J. Antunes 8224210020 Air Pressure Switch .05-1" W.C. quantity
RLGP‑G Low Gas Pressure Switch

A.J. Antunes

SKU: 8104116136
$122.84
MSRP: $141.27
You save 15%
A.J. Antunes 8104116136 RLGP‑G Low Gas Pressure Switch quantity
RLGP‑G Low Gas Pressure Switch .5-4″ W.C.

A.J. Antunes

SKU: 8104116102
$91.70
MSRP: $105.46
You save 15%
A.J. Antunes 8104116102 RLGP‑G Low Gas Pressure Switch .5-4" W.C. quantity
LGP‑G Low Gas Pressure Switch 7-55″ W.C.

A.J. Antunes

SKU: 8103116407
$103.45
MSRP: $118.97
You save 15%
A.J. Antunes 8103116407 LGP‑G Low Gas Pressure Switch 7-55″ W.C. quantity
LGP‑G Low Gas Pressure Switch 5-30″ W.C.

A.J. Antunes

SKU: 8103116303
$103.45
MSRP: $118.97
You save 15%
A.J. Antunes 8103116303 LGP‑G Low Gas Pressure Switch 5-30" W.C. quantity
Low Gas Pressure Switch 1-20″ W.C.

A.J. Antunes

SKU: 8103116215
$125.78
MSRP: $144.65
You save 15%
A.J. Antunes 8103116215 Low Gas Pressure Switch 1-20" W.C. quantity
RHGP‑G High Gas Pressure Switch 1-4 PSI

A.J. Antunes

SKU: 8102113005
$91.70
MSRP: $105.46
You save 15%
A.J. Antunes 8102113005 RHGP‑G High Gas Pressure Switch 1-4 PSI quantity
High Gas Pressure Switch 5-35″ W.C.

A.J. Antunes

SKU: 8102111305
$122.84
MSRP: $141.27
You save 15%
A.J. Antunes 8102111305 High Gas Pressure Switch 5-35″ W.C. quantity
RHGP‑G High Gas Pressure Switch 5-35″ WC

A.J. Antunes

SKU: 8102111304
$91.70
MSRP: $105.46
You save 15%
A.J. Antunes 8102111304 RHGP‑G High Gas Pressure Switch 5-35″ WC quantity
RHGP‑G High Gas Pressure Switch 2-20″

A.J. Antunes

SKU: 8102111203
$91.70
MSRP: $105.46
You save 15%
A.J. Antunes 8102111203 RHGP‑G High Gas Pressure Switch 2-20″ quantity
High Gas Pressure Switch .8-4″ W.C.

A.J. Antunes

SKU: 8102111102
$91.70
MSRP: $105.46
You save 15%
A.J. Antunes 8102111102 High Gas Pressure Switch .8-4" W.C. quantity
10–60″ WC High Gas Pressure Switch

A.J. Antunes

SKU: 8101111407
$103.45
MSRP: $118.97
You save 15%
A.J. Antunes 8101111407 10–60″ WC High Gas Pressure Switch quantity
High Gas Pressure Switch – 8″–35″ WC

A.J. Antunes

SKU: 8101111303
$103.45
MSRP: $118.97
You save 15%
A.J. Antunes 8101111303 High Gas Pressure Switch – 8″–35″ WC quantity

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