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 2881–2928 of 4105 resultsSorted by popularity

24hr 120v DPST Skip-a-Day Timer

Intermatic

SKU: T173
$121.60
MSRP: $139.84
You save 15%
Intermatic T173 24hr 120v DPST Skip-a-Day Timer quantity
1.10″ WC Pressure Switch

York

SKU: S1-024-39713-000
$36.30
MSRP: $41.75
You save 15%
York S1‑024‑39713‑000 — 1.10″ WC Pressure Switch quantity
OEM Defrost Time/Temperature Control Board

York

SKU: S1-031-01954-000
$193.50
MSRP: $222.53
You save 15%
York S1‑031‑01954‑000 — OEM Defrost Time/Temperature Control Board quantity
OEM Control Board for HVAC / Air Handler Units

York

SKU: S1-031-02985-000
$114.53
MSRP: $131.71
You save 15%
York S1‑031‑02985‑000 — OEM Control Board for HVAC / Air Handler Units quantity
Flame Sensor

York

SKU: S1-025-37499-000
$58.90
MSRP: $67.74
You save 15%
York S1‑025‑37499‑000 — OEM Flame Sensor quantity
Furnace Air Pressure Switch (0.10″ WC, SPNO)

York

SKU: S1-024-39706-000
$35.51
MSRP: $40.84
You save 15%
York S1‑024‑39706‑000 — Furnace Air Pressure Switch (0.10" WC, SPNO) quantity
Single-Stage Furnace Control Board

York

SKU: S1-031-02951-001
$315.16
MSRP: $362.43
You save 15%
York S1-031-02951-001 — Single-Stage Furnace Control Board quantity
4-Stage Control Board

York

SKU: S1-6434432
$735.08
MSRP: $845.34
You save 15%
York S1-6434432 — 4-Stage Control Board quantity
Dual Pressure Switch – OEM Furnace & HVAC Safety Control

Rheem

SKU: 42-102056-27
$41.35
MSRP: $47.55
You save 15%
Read more
Pressure Switch – OEM Furnace & HVAC Safety Control

Rheem

SKU: 42-102056-13
$43.01
MSRP: $49.46
You save 15%
Rheem 42-102056-13 Pressure Switch – OEM Furnace & HVAC Safety Control quantity
Defrost Timer Quartz

Intermatic

SKU: DTAV40Q-M
$214.93
MSRP: $247.17
You save 15%
Intermatic DTAV40Q-M Defrost Timer Quartz quantity
–0.65″ WC SPST Pressure Switch

York

SKU: S1-024-35311-000
$47.24
MSRP: $54.33
You save 15%
York S1-024-35311-000 –0.65" WC SPST Pressure Switch quantity
Pressure Switch — SPNO, –0.35″ WC Close-On-Fall

York

SKU: S1-024-35309-000
$47.24
MSRP: $54.33
You save 15%
York S1-024-35309-000 Pressure Switch — SPNO, –0.35″ WC Close-On-Fall quantity
200 °F Manual‑Reset Limit / Temperature Control Switch

York

SKU: S1-025-27747-002
$38.00
MSRP: $43.70
You save 15%
York S1‑025‑27747‑002 200 °F Manual‑Reset Limit / Temperature Control Switch quantity
Suction Temperature Sensor

York

SKU: 025-36432-001
$153.93
MSRP: $177.02
You save 15%
York 025-36432-001 Suction Temperature Sensor quantity
Pressure Switch Kit — 0.10″ WC

York

SKU: S1-324-35972-000
$115.80
MSRP: $133.17
You save 15%
YORK S1-324-35972-000 Pressure Switch Kit — 0.10" WC quantity
Primary Control – OEM Furnace & HVAC Replacement Part

Rheem

SKU: PD540028
$547.15
MSRP: $629.22
You save 15%
Rheem PD540028 Primary Control – OEM Furnace & HVAC Replacement Part quantity
110/170°F DPST Manual Reset Thermostat – OEM HVAC Replacement

Rheem

SKU: SP8294
$27.98
MSRP: $32.18
You save 15%
Rheem SP8294 110/170°F DPST Manual Reset Thermostat – OEM HVAC Replacement quantity
Integrated Furnace Control Board – OEM HVAC Replacement Part

Rheem

SKU: 62-104059-01
$205.11
MSRP: $235.88
You save 15%
Read more
Percentage Cycle Timer

Intermatic

SKU: CT2000
$216.01
MSRP: $248.41
You save 15%
Intermatic CT2000 Percentage Cycle Timer quantity
Liquid Temp Sensor 55″ Leads

York

SKU: S1-031-01276-000
$73.94
MSRP: $85.03
You save 15%
Read more
Control Board

York

SKU: S1-373-49824-003
$1,260.81
MSRP: $1,449.93
You save 15%
York S1-373-49824-003 Control Board quantity
Pressure Switch -.33WC

York

SKU: S1-024-39479-000
$31.06
MSRP: $35.72
You save 15%
York S1-024-39479-000 Pressure Switch -.33WC quantity
Hight Limit Cut-off Sensor

Burnham Boiler

SKU: 105944-03
$73.91
MSRP: $85.00
You save 13%
Burnham Boiler 105944-03 Hight Limit Cut-off Sensor quantity
Outdoor Temperature Sensor

Burnham Boiler

SKU: 108681-01
$61.91
MSRP: $71.20
You save 13%
Burnham Boiler 108681-01 Outdoor Temperature Sensor quantity
Repair Kit Supply Temperature Sensor

Burnham Boiler

SKU: 105911-01
$31.83
MSRP: $36.60
You save 13%
Burnham Boiler 105911-01 Repair Kit Supply Temperature Sensor quantity
Thermostat – Reliable Replacement for Heating Systems

Rheem

SKU: SP21032
$30.73
MSRP: $35.34
You save 15%
Rheem SP21032 Thermostat – Reliable Replacement for Heating Systems quantity
OEM Pressure Switch for Gas Furnaces (0.2″ WC)

Rheem

SKU: 42-106081-01
$16.08
MSRP: $18.49
You save 13%
Rheem 42-106081-01 OEM Pressure Switch for Gas Furnaces (0.2" WC) quantity
Control Board – Reliable HVAC System Replacement

Rheem

SKU: 47-100436-09
$45.48
MSRP: $52.30
You save 13%
Read more
Furnace Control Board IFC – Reliable HVAC Circuit Replacement

Rheem

SKU: 62-102860-04
$235.43
MSRP: $270.74
You save 13%
Rheem 62-102860-04 Furnace Control Board IFC – Reliable HVAC Circuit Replacement quantity
Condensate Water Sensor – Reliable HVAC Safety Component

Rheem

SKU: AP17940-1
$26.16
MSRP: $30.08
You save 15%
Rheem AP17940-1 Condensate Water Sensor – Reliable HVAC Safety Component quantity
SPST Pressure Switch – -0.20″ WC Rating for Reliable System Protection

Rheem

SKU: 42-105601-24K
$20.63
MSRP: $23.72
You save 15%
Rheem 42-105601-24K SPST Pressure Switch – -0.20" WC Rating for Reliable System Protection quantity
Temperature Controller

York

SKU: S1-025-29049-700
$479.10
MSRP: $550.97
You save 15%
Read more
Air Pressure Switch

York

SKU: S1-024-35261-000
$55.50
MSRP: $63.83
You save 15%
York S1-024-35261-000 Air Pressure Switch quantity
Temperature Gauge

Burnham Boiler

SKU: 105894-01
$40.34
MSRP: $46.39
You save 15%
Burnham Boiler 105894-01 Temperature Gauge quantity
SAGE 2.X Control Module

Burnham Boiler

SKU: 106191-01
$664.61
MSRP: $764.30
You save 15%
Burnham Boiler 106191-01 SAGE 2.X Control Module quantity
Flue Temperature Sensor

Burnham Boiler

SKU: 105883-01
$45.25
MSRP: $52.04
You save 15%
Burnham Boiler 105883-01 Flue Temperature Sensor quantity
Natural Gas Control Thermostat | Reliable Temperature Regulation

Rheem

SKU: SP20828C
$150.24
MSRP: $172.78
You save 15%
Rheem SP20828C Natural Gas Control Thermostat | Reliable Temperature Regulation quantity
120V Blower Board Kit – Reliable Furnace Control Replacement

Rheem

SKU: 47-100436-84A
$56.59
MSRP: $65.08
You save 15%
Rheem 47-100436-84A 120V Blower Board Kit – Reliable Furnace Control Replacement quantity
Gas Control Thermostat – Reliable Temperature & Safety Management

Rheem

SKU: SP21062A
$359.88
MSRP: $413.86
You save 15%
Rheem SP21062A Gas Control Thermostat – Reliable Temperature & Safety Management quantity
Reliable Furnace Safety and Performance

Rheem

SKU: 42-102056-22
$35.94
MSRP: $41.33
You save 13%
Rheem 42-102056-22 Pressure Switch – Reliable Furnace Safety and Performance quantity
120v 7 Day Rail Mount Timer

Intermatic

SKU: MIL72AQWUZH-120
$254.91
MSRP: $293.15
You save 15%
Intermatic MIL72AQWUZH-120 120v 7 Day Rail Mount Timer quantity
7Day FlushMt W/BatBackup&Ovrid

Intermatic

SKU: MIL72EQTUZH-120
$165.80
MSRP: $190.67
You save 15%
Intermatic MIL72EQTUZH-120 7Day 24 Hour Electromechanical Timer Module quantity
Suction / Liquid-Line Temperature Sensor Kit

York

SKU: 325-47673-000
$233.08
MSRP: $268.04
You save 15%
York 325-47673-000 Suction / Liquid-Line Temperature Sensor Kit quantity
Electronic Fan Timer Control

York

SKU: S1-BCM-UEFT-KIT
$520.15
MSRP: $598.17
You save 15%
York S1-BCM-UEFT-KIT Electronic Fan Timer Control quantity
2-Stage Cooling Circuit Board

York

SKU: S1-031-00652-000
$268.45
MSRP: $308.72
You save 15%
York S1-031-00652-000 2-Stage Cooling Circuit Board quantity
Electric Circuit Control Board

York

SKU: S1-031-00880-001
$258.08
MSRP: $296.79
You save 15%
York S1‑031‑00880‑001 Electric Circuit Control Board quantity
Defrost Control Board Kit

York

SKU: S1-331-01975-102
$199.06
MSRP: $228.92
You save 15%
York S1‑331‑01975‑102 Defrost Control Board Kit quantity

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