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HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 757

Sub Collections

Low Voltage Programmable Thermostats
Low Voltage Programmable Thermostats
Wi-Fi Programmable Low Voltage Thermostats
Wi-Fi Programmable Low Voltage Thermostats
OEM Thermostat Replacement Parts
OEM Thermostat Replacement Parts
Low Voltage Non-Programmable Analog Thermostats
Low Voltage Non-Programmable Analog Thermostats
Line Voltage Non-Programmable Analog Thermostats
Line Voltage Non-Programmable Analog Thermostats
Low Voltage Non-Programmable Digital Thermostats
Low Voltage Non-Programmable Digital Thermostats
Pneumatic Relays
Pneumatic Relays
Fan Control Switches
Fan Control Switches
Humidity Controls
Humidity Controls
Heat Exchanger Replacement Elements
Heat Exchanger Replacement Elements
Shell and Tube Heat Exchangers
Shell and Tube Heat Exchangers
Fan Coil Unit Thermostats
Fan Coil Unit Thermostats
HVAC Relays
HVAC Relays
Remote-Bulb Sensor Temperature Controls
Remote-Bulb Sensor Temperature Controls
Electric Actuators
Electric Actuators
Fireplace Thermostats and Remote Control Kits
Fireplace Thermostats and Remote Control Kits
Defrost Thermostats
Defrost Thermostats
Portable Heating and Cooling Plug-In Line Voltage
Portable Heating and Cooling Plug-In Line Voltage
Temporary Construction Thermostats
Temporary Construction Thermostats
Air Vents
Air Vents
Steam Traps
Steam Traps
Line Voltage Programmable Thermostats
Line Voltage Programmable Thermostats
HVAC Conduit Adapters
HVAC Conduit Adapters
OEM Thermostats
OEM Thermostats
Air Coil and Bi-Metal Sensor Temperature Controls
Air Coil and Bi-Metal Sensor Temperature Controls
Wi-Fi and Wireless Thermostat Connectivity Accesso
Wi-Fi and Wireless Thermostat Connectivity Accesso
Direct and Intermittent Ignition Igniters
Direct and Intermittent Ignition Igniters
Furnace Control Boards
Furnace Control Boards
Building Automation System Thermostat Controls
Building Automation System Thermostat Controls
Temperature Sensors
Temperature Sensors
Electric Actuator Accessories
Electric Actuator Accessories
Damper Linkages Crank Arms and Push Rods
Damper Linkages Crank Arms and Push Rods
HVAC Electrical Switches
HVAC Electrical Switches
Pneumatic Valves
Pneumatic Valves
Furnace Ignition Modules
Furnace Ignition Modules
Gas Valves
Gas Valves
Pilot Assemblies
Pilot Assemblies
Gas Appliance Controls
Gas Appliance Controls
Electric Appliance Controls
Electric Appliance Controls
Flame Sensors
Flame Sensors
Plate Heat Exchangers
Plate Heat Exchangers
Snap Disc Thermostats
Snap Disc Thermostats
Sequencers
Sequencers
Thermostat Wall Cover Plates and Mounting Kits
Thermostat Wall Cover Plates and Mounting Kits
Thermostat Remote Sensors
Thermostat Remote Sensors
Line Voltage Non-Programmable Digital Thermostats
Line Voltage Non-Programmable Digital Thermostats
Air Pressure Switches
Air Pressure Switches
Boiler Controls
Boiler Controls
Boiler Temperature Limit Controls
Boiler Temperature Limit Controls
Static and Total Pressure Probes
Static and Total Pressure Probes

Filters

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Low Volt NP Analog Tstat Heat/Cool

Low Volt NP Analog Tstat Heat/Cool

EMERSON
$54.15 - $54.15
$54.15
$54.15 - $54.15
$54.15

Low Voltage Thermostat Terminal Designations A B G O RC RH W Y System Switching Heat-Cool-Off Fan Switching Auto-On Dual Transformer Compatible Yes...

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$54.15 - $54.15
$54.15
$54.15 - $54.15
$54.15
Low Volt NP Analog Tstat Heat/Cool

Low Volt NP Analog Tstat Heat/Cool

EMERSON
$50.73 - $50.73
$50.73
$50.73 - $50.73
$50.73

Low Voltage Thermostat Terminal Designations A B G O RC RH W Y System Switching Heat-Cool-Off Fan Switching Auto-On Dual Transformer Compatible Yes...

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$50.73 - $50.73
$50.73
$50.73 - $50.73
$50.73
Infinite Switch 120V AC 450F Max

Infinite Switch 120V AC 450F Max

ROBERTSHAW
$33.60 - $33.60
$33.60
$33.60 - $33.60
$33.60

Infinite Switch Product Type Infinite Switch Capillary Tube Length Not Applicable Sensing Bulb Diameter Not Applicable Stem Length 2 in Sensing Bul...

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$33.60 - $33.60
$33.60
$33.60 - $33.60
$33.60
Stage Module 120/240V AC 5 in H

Stage Module 120/240V AC 5 in H

JOHNSON CONTROLS
$181.80 - $181.80
$181.80
$181.80 - $181.80
$181.80

Stage Module Input Voltage 120V AC 240V AC Overall Height 5 in Overall Width 2 3/8 in Compatible with Series A350 A350E A350P A350R Compatible with...

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$181.80 - $181.80
$181.80
$181.80 - $181.80
$181.80
Diff Pressure Control SPST 8 to 70psig

Diff Pressure Control SPST 8 to 70psig

JOHNSON CONTROLS
$343.43 - $343.43
$343.43
$343.43 - $343.43
$343.43

Differential Pressure Control Contact Form SPST Switch Action Open on Fall Pressure Differential - Minimum 8 psi Pressure Differential Max 30 psi P...

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$343.43 - $343.43
$343.43
$343.43 - $343.43
$343.43
Dual Pressure Control Differential SPST

Dual Pressure Control Differential SPST

JOHNSON CONTROLS
$381.44 - $381.44
$381.44
$381.44 - $381.44
$381.44

Dual Pressure Control Product Type Dual Pressure Control Pressure Type Differential Minimum Pressure Range - Low Side 12 in Hg Maximum Pressure Ran...

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$381.44 - $381.44
$381.44
$381.44 - $381.44
$381.44
Temperature Sensor Nickel -50-250 F

Temperature Sensor Nickel -50-250 F

JOHNSON CONTROLS
$91.36 - $91.36
$91.36
$91.36 - $91.36
$91.36

Temperature Sensor Display Type None Sensing Element Type Nickel Output Not Applicable Housing Type Conduit Box Housing Material Nickel Probe Lengt...

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$91.36 - $91.36
$91.36
$91.36 - $91.36
$91.36
Tstat Cover Nickel Vert Beige

Tstat Cover Nickel Vert Beige

JOHNSON CONTROLS
$146.25 - $146.25
$146.25
$146.25 - $146.25
$146.25

Thermostat Cover Color Beige Compatible Brand and Series Johnson Controls T-4000 Compatible Grainger Part Number 38Y156 38Y157 38Y158 38Y159 Compat...

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$146.25 - $146.25
$146.25
$146.25 - $146.25
$146.25
Furnace Control Board 24V AC Control

Furnace Control Board 24V AC Control

ICM
$470.90 - $470.90
$470.90
$470.90 - $470.90
$470.90

Furnace Control Board Replacement Type OEM Board Type Integrated Compatible with Brand Carrier OEM Replacement Part Number HK42FZ017 Control Voltag...

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$470.90 - $470.90
$470.90
$470.90 - $470.90
$470.90
Low Volt NP Digital Tstat H or C Wired

Low Volt NP Digital Tstat H or C Wired

EMERSON
$73.08 - $73.08
$73.08
$73.08 - $73.08
$73.08

Low Voltage Thermostat Heat or Cool Manual Compatible System Type Electric Forced Air Furnaces Gas Forced Air Furnaces Millivolt Slide Switch Dehum...

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$73.08 - $73.08
$73.08
$73.08 - $73.08
$73.08
Coolant And Battery Refractor

Coolant And Battery Refractor

ROBINAIR
$176.69 - $176.69
$176.69
$176.69 - $176.69
$176.69

Coolant And Battery Refractor

$176.69 - $176.69
$176.69
$176.69 - $176.69
$176.69
Elct Bsbrd Htr Thrmostat 9-1/2 H 2 Pole

Elct Bsbrd Htr Thrmostat 9-1/2 H 2 Pole

CADET
$92.69 - $92.69
$92.69
$92.69 - $92.69
$92.69

Electric Baseboard Heater Thermostat 120/208/240V AC 3 1/4 in Overall Depth 9 1/2 in Overall Height 3 1/4 in Overall Width Compatible System Type B...

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$92.69 - $92.69
$92.69
$92.69 - $92.69
$92.69
Low Volt NP Digital Tstat H or C Wired

Low Volt NP Digital Tstat H or C Wired

EMERSON
$58.82 - $58.82
$58.82
$58.82 - $58.82
$58.82

Low Voltage Thermostat Heat or Cool Manual Compatible System Type Electric Forced Air Furnaces Gas Forced Air Furnaces Heat Pump with Aux Millivolt...

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$58.82 - $58.82
$58.82
$58.82 - $58.82
$58.82
Total Pressure Probe Barb 4 in L

Total Pressure Probe Barb 4 in L

CLEVELAND CONTROLS
$9.43 - $9.43
$9.43
$9.43 - $9.43
$9.43

Total Pressure Probe Product Type Total Pressure Probe Flange Diameter 1 1/2 in Overall Length 5 1/4 in Exterior Length 1 1/4 in Insertion Length 4...

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$9.43 - $9.43
$9.43
$9.43 - $9.43
$9.43
Static Pressure Probe Barb 8 in L

Static Pressure Probe Barb 8 in L

CLEVELAND CONTROLS
$6.96 - $6.96
$6.96
$6.96 - $6.96
$6.96

Static Pressure Probe Product Type Static Pressure Probe Flange Diameter 1 1/2 in Overall Length 9 1/4 in Exterior Length 1 1/4 in Insertion Length...

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$6.96 - $6.96
$6.96
$6.96 - $6.96
$6.96
Static Pressure Probe Barb 5 1/2 in L

Static Pressure Probe Barb 5 1/2 in L

CLEVELAND CONTROLS
$6.15 - $6.15
$6.15
$6.15 - $6.15
$6.15

Static Pressure Probe Product Type Static Pressure Probe Flange Diameter 1 1/2 in Overall Length 7 1/4 in Exterior Length 1 3/4 in Insertion Length...

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$6.15 - $6.15
$6.15
$6.15 - $6.15
$6.15
Static Pressure Probe Barb 2 in L

Static Pressure Probe Barb 2 in L

CLEVELAND CONTROLS
$6.12 - $6.12
$6.12
$6.12 - $6.12
$6.12

Static Pressure Probe Product Type Static Pressure Probe Flange Diameter 1 1/2 in Overall Length 3 1/4 in Exterior Length 1 1/4 in Insertion Length...

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$6.12 - $6.12
$6.12
$6.12 - $6.12
$6.12
Total Pressure Probe Smooth 3 1/2 in L

Total Pressure Probe Smooth 3 1/2 in L

CLEVELAND CONTROLS
$5.02 - $5.02
$5.02
$5.02 - $5.02
$5.02

Total Pressure Probe Product Type Total Pressure Probe Flange Diameter 1 1/2 in Overall Length 5 1/4 in Exterior Length 1 3/4 in Insertion Length 3...

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$5.02 - $5.02
$5.02
$5.02 - $5.02
$5.02
Static Pressure Probe Smooth 7 1/2 in L

Static Pressure Probe Smooth 7 1/2 in L

CLEVELAND CONTROLS
$4.83 - $4.83
$4.83
$4.83 - $4.83
$4.83

Static Pressure Probe Product Type Static Pressure Probe Flange Diameter 1 1/2 in Overall Length 9 1/4 in Exterior Length 1 3/4 in Insertion Length...

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$4.83 - $4.83
$4.83
$4.83 - $4.83
$4.83
Static Pressure Probe Smooth 4 in L

Static Pressure Probe Smooth 4 in L

CLEVELAND CONTROLS
$4.39 - $4.39
$4.39
$4.39 - $4.39
$4.39

Static Pressure Probe Product Type Static Pressure Probe Flange Diameter 1 1/2 in Overall Length 5 1/4 in Exterior Length 1 1/4 in Insertion Length...

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$4.39 - $4.39
$4.39
$4.39 - $4.39
$4.39
Temperature Sensor Thermistor -40-248 F

Temperature Sensor Thermistor -40-248 F

KMC CONTROLS
$22.11 - $22.11
$22.11
$22.11 - $22.11
$22.11

Temperature Sensor Display Type None Sensing Element Type Thermistor Output Not Applicable Housing Type Open Mounted Housing Material Not Applicabl...

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$22.11 - $22.11
$22.11
$22.11 - $22.11
$22.11
BACnet MS/TP Tstat Hardwired Fan Coil

BACnet MS/TP Tstat Hardwired Fan Coil

KMC CONTROLS
$810.32 - $810.32
$810.32
$810.32 - $810.32
$810.32

Controller BACnet Voltage 24VAC Connection Screw Terminals Thermistors Type II or III Inputs Analog/Binary Outputs LCD Display 1 in x 1-3/64 in Fea...

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$810.32 - $810.32
$810.32
$810.32 - $810.32
$810.32
BACnet MS/TP Tstat Hardwired HP W/Aux

BACnet MS/TP Tstat Hardwired HP W/Aux

KMC CONTROLS
$866.13 - $866.13
$866.13
$866.13 - $866.13
$866.13

Controller BACnet Voltage 24VAC Connection Screw Terminals Thermistors Type II or III Inputs Analog/Binary Outputs LCD Display 1 in x 1-3/64 in Fea...

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$866.13 - $866.13
$866.13
$866.13 - $866.13
$866.13
BACnet MS/TP Tstat Hardwired Fan Coil

BACnet MS/TP Tstat Hardwired Fan Coil

KMC CONTROLS
$810.32 - $810.32
$810.32
$810.32 - $810.32
$810.32

Controller BACnet Voltage 24VAC Connection Screw Terminals Thermistors Type II or III Inputs Analog/Binary Outputs LCD Display 1 in x 1-3/64 in Fea...

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$810.32 - $810.32
$810.32
$810.32 - $810.32
$810.32

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