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 3793–3840 of 4992 resultsSorted by popularity

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%
Rheem 62-104059-01 Integrated Furnace Control Board – OEM HVAC Replacement Part quantity
Percentage Cycle Timer

Intermatic

SKU: CT2000
$216.01
MSRP: $248.41
You save 15%
Read more
Liquid Temp Sensor 55″ Leads

York

SKU: S1-031-01276-000
$73.94
MSRP: $85.03
You save 15%
York S1-031-01276-000 Liquid Temp Sensor 55" Leads quantity
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
2-Stage Control Board

York

SKU: S1-331-09150-002
$430.29
MSRP: $494.83
You save 15%
York S1-331-09150-002 2-Stage Control Board quantity
Temperature Sensor

York

SKU: S1-025-50564-000
$35.51
MSRP: $40.84
You save 15%
York S1‑025‑50564‑000 Temperature Sensor quantity
Air / Pressure Switch

York

SKU: S1-024-35272-000
$46.59
MSRP: $53.58
You save 15%
York S1‑024‑35272‑000 Air / Pressure Switch quantity
Blower Control Board

York

SKU: S1-031-02959-000
$410.53
MSRP: $472.11
You save 15%
York S1-031-02959-000 Blower Control Board quantity
Temperature Control (SPDT, 195 °F Open / 130 °F Close)

York

SKU: S1-025-26366-009
$43.88
MSRP: $50.46
You save 15%
York S1-025-26366-009 Temperature Control (SPDT, 195 °F Open / 130 °F Close) quantity
Electric Thermostat 90–150°F Upper Stat/Limit – Reliable Furnace Safety Control

Rheem

SKU: SP11698
$26.39
MSRP: $30.35
You save 15%
Rheem SP11698 Electric Thermostat 90–150°F Upper Stat/Limit – Reliable Furnace Safety Control quantity
Lower Thermostat – Reliable Furnace Replacement

Rheem

SKU: SP11695
$15.13
MSRP: $17.40
You save 15%
Rheem SP11695 Lower Thermostat – Reliable Furnace Replacement quantity
Fan Timer Control Board

York

SKU: S1-026-37407-000
$727.83
MSRP: $837.00
You save 15%
York S1-026-37407-000 Fan Timer Control Board quantity
-0.50″ WC SPST Pressure Switch – Reliable HVAC Replacement

Rheem

SKU: 42-101956-12
$22.68
MSRP: $26.08
You save 15%
Rheem 42-101956-12 -0.50" WC SPST Pressure Switch – Reliable HVAC Replacement quantity
Integrated Furnace Control Board – Reliable HVAC System Replacement

Rheem

SKU: 62-106321-01
$199.29
MSRP: $229.18
You save 13%
Rheem 62-106321-01 Integrated Furnace Control Board – Reliable HVAC System Replacement quantity
Fan/Electric Heat Control Board

York

SKU: S1-031-01264-002
$334.88
MSRP: $385.11
You save 15%
York S1-031-01264-002 Fan/Electric Heat Control Board quantity
Pressure Transducer 200#

York

SKU: 025-29583-000
$940.99
MSRP: $1,082.14
You save 15%
York 025-29583-000 Pressure Transducer 200# quantity
Fan/Electric Heat Control Board

York

SKU: S1-031-09156-000
$200.06
MSRP: $230.07
You save 15%
York S1-031-09156-000 Fan/Electric Heat Control Board quantity
Pressure Switch — 0.15″ WC SPNO “Close‑on‑Fall” Switch

York

SKU: S1-024-35929-000
$41.15
MSRP: $47.32
You save 15%
York S1‑024‑35929‑000 Pressure Switch — 0.15" WC SPNO “Close‑on‑Fall” Switch quantity
Pressure Transducer — High‑Accuracy 0‑400 PSI Sensor

York

SKU: 025-29139-004
$854.73
MSRP: $982.94
You save 15%
York 025‑29139‑004 Pressure Transducer — High‑Accuracy 0‑400 PSI Sensor quantity