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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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Wall Plate White 5x5in

Wall Plate White 5x5in

DAYTON
$11.49 - $11.49
$11.49
$11.49 - $11.49
$11.49

Wall Mounting Plate White Compatible Brand and Series 4PU51 Compatible Grainger Part Number 4PU51 Compatible Manufacturer Model Number 4PU51 Includ...

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$11.49 - $11.49
$11.49
$11.49 - $11.49
$11.49
Low Volt NP Analog Tstat Heat Square

Low Volt NP Analog Tstat Heat Square

DAYTON
$27.94 - $27.94
$27.94
$27.94 - $27.94
$27.94

Low Voltage Thermostat Terminal Designations R W System Switching No Fan Switching No Automatic Changeover No Dual Transformer Compatible No Power ...

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$27.94 - $27.94
$27.94
$27.94 - $27.94
$27.94
Line Volt NP Analog Tstat 1H White SPST

Line Volt NP Analog Tstat 1H White SPST

DAYTON
$65.85 - $65.85
$65.85
$65.85 - $65.85
$65.85

Line Volt Mechanical Tstat Thermostat Switch Type SPST Thermostat Control Range 50 Degrees to 90 Degrees F Thermostat Voltage 120 to 277V AC Full L...

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$65.85 - $65.85
$65.85
$65.85 - $65.85
$65.85
Line Volt NP Analog Tstat 1H White DPST

Line Volt NP Analog Tstat 1H White DPST

DAYTON
$62.84 - $62.84
$62.84
$62.84 - $62.84
$62.84

Line Volt Mechanical Tstat Thermostat Switch Type DPST Thermostat Control Range 50 Degrees to 90 Degrees F Thermostat Voltage 120 to 277V AC Full L...

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$62.84 - $62.84
$62.84
$62.84 - $62.84
$62.84
Low Volt NP Analog Tstat Heat/Cool

Low Volt NP Analog Tstat Heat/Cool

DAYTON
$44.58 - $44.58
$44.58
$44.58 - $44.58
$44.58

Low Voltage Thermostat Terminal Designations G RC RH W Y System Switching Heat-Cool-Off Fan Switching Auto-On Automatic Changeover No Dual Transfor...

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$44.58 - $44.58
$44.58
$44.58 - $44.58
$44.58
Low Volt NP Analog Tstat Cool Rectangle

Low Volt NP Analog Tstat Cool Rectangle

DAYTON
$28.78 - $28.78
$28.78
$28.78 - $28.78
$28.78

Low Voltage Thermostat Terminal Designations G R Y System Switching Cool-Off Fan Switching Auto-On Automatic Changeover No Dual Transformer Compati...

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$28.78 - $28.78
$28.78
$28.78 - $28.78
$28.78
Differential Pressure Sensor Air 24V AC

Differential Pressure Sensor Air 24V AC

KMC CONTROLS
$35.54 - $35.54
$35.54
$35.54 - $35.54
$35.54

Differential Pressure Sensor For Media Air For Use With Building Automation Systems Not Compatible with Building Automation Systems Compatible Buil...

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$35.54 - $35.54
$35.54
$35.54 - $35.54
$35.54
Differential Pressure Sensor Air 24V AC

Differential Pressure Sensor Air 24V AC

KMC CONTROLS
$28.47 - $28.47
$28.47
$28.47 - $28.47
$28.47

Differential Pressure Sensor For Media Air For Use With Building Automation Systems Not Compatible with Building Automation Systems Compatible Buil...

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$28.47 - $28.47
$28.47
$28.47 - $28.47
$28.47
Differential Pressure Sensor Air 24V AC

Differential Pressure Sensor Air 24V AC

KMC CONTROLS
$25.02 - $25.02
$25.02
$25.02 - $25.02
$25.02

Differential Pressure Sensor For Media Air For Use With Building Automation Systems Not Compatible with Building Automation Systems Compatible Buil...

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$25.02 - $25.02
$25.02
$25.02 - $25.02
$25.02
Differential Pressure Sensor Air 24V AC

Differential Pressure Sensor Air 24V AC

KMC CONTROLS
$20.80 - $20.80
$20.80
$20.80 - $20.80
$20.80

Differential Pressure Sensor For Media Air For Use With Building Automation Systems Not Compatible with Building Automation Systems Compatible Buil...

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$20.80 - $20.80
$20.80
$20.80 - $20.80
$20.80
Reset Volume Controller 15 to 30 psi

Reset Volume Controller 15 to 30 psi

KMC CONTROLS
$218.88 - $218.88
$218.88
$218.88 - $218.88
$218.88

Reset Volume Controller Thermostat Required for Cooling Direct/Reverse Acting Thermostat Required for Heating Direct/Reverse Acting Reset Start Poi...

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$218.88 - $218.88
$218.88
$218.88 - $218.88
$218.88
Reset Volume Controller 15 to 30 psi

Reset Volume Controller 15 to 30 psi

KMC CONTROLS
$256.97 - $256.97
$256.97
$256.97 - $256.97
$256.97

Reset Volume Controller Thermostat Required for Cooling Direct/Reverse Acting Thermostat Required for Heating Direct/Reverse Acting Reset Start Poi...

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$256.97 - $256.97
$256.97
$256.97 - $256.97
$256.97
Reset Volume Controller 15 to 30 psi

Reset Volume Controller 15 to 30 psi

KMC CONTROLS
$228.41 - $228.41
$228.41
$228.41 - $228.41
$228.41

Reset Volume Controller Thermostat Required for Cooling Direct/Reverse Acting Thermostat Required for Heating Direct/Reverse Acting Reset Start Poi...

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$228.41 - $228.41
$228.41
$228.41 - $228.41
$228.41
Reset Volume Controller 15 to 30 psi

Reset Volume Controller 15 to 30 psi

KMC CONTROLS
$187.27 - $187.27
$187.27
$187.27 - $187.27
$187.27

Reset Volume Controller Thermostat Required for Cooling Direct Acting Thermostat Required for Heating Reverse Acting Reset Start Point Factory Sett...

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$187.27 - $187.27
$187.27
$187.27 - $187.27
$187.27
Reset Volume Controller 15 to 30 psi

Reset Volume Controller 15 to 30 psi

KMC CONTROLS
$174.23 - $174.23
$174.23
$174.23 - $174.23
$174.23

Reset Volume Controller Thermostat Required for Cooling Direct Acting Thermostat Required for Heating Reverse Acting Reset Start Point Factory Sett...

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$174.23 - $174.23
$174.23
$174.23 - $174.23
$174.23
Reset Volume Controller 15 to 30 psi

Reset Volume Controller 15 to 30 psi

KMC CONTROLS
$179.89 - $179.89
$179.89
$179.89 - $179.89
$179.89

Reset Volume Controller Thermostat Required for Cooling Reverse Acting Thermostat Required for Heating Direct Acting Reset Start Point Factory Sett...

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$179.89 - $179.89
$179.89
$179.89 - $179.89
$179.89
Reset Volume Controller 15 to 30 psi

Reset Volume Controller 15 to 30 psi

KMC CONTROLS
$179.35 - $179.35
$179.35
$179.35 - $179.35
$179.35

Reset Volume Controller Thermostat Required for Cooling Direct Acting Thermostat Required for Heating Reverse Acting Reset Start Point Factory Sett...

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$179.35 - $179.35
$179.35
$179.35 - $179.35
$179.35
Reset Volume Controller 15 to 30 psi

Reset Volume Controller 15 to 30 psi

KMC CONTROLS
$217.73 - $217.73
$217.73
$217.73 - $217.73
$217.73

Reset Volume Controller Thermostat Required for Cooling Direct Acting Thermostat Required for Heating Reverse Acting Reset Start Point Factory Sett...

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$217.73 - $217.73
$217.73
$217.73 - $217.73
$217.73
Mech Tstat Heat or Cool Plastic 110/30F

Mech Tstat Heat or Cool Plastic 110/30F

DAYTON
$329.82 - $329.82
$329.82
$329.82 - $329.82
$329.82

Mech Tstat Heat or Cool Plastic 110/30F

$329.82 - $329.82
$329.82
$329.82 - $329.82
$329.82
Line Volt NP Analog Tstat 1H White SPST

Line Volt NP Analog Tstat 1H White SPST

HONEYWELL HOME
$76.40 - $76.40
$76.40
$76.40 - $76.40
$76.40

Line Volt Mechanical Tstat Thermostat Switch Type SPST Thermostat Control Range 50 Degrees to 80 Degrees F Thermostat Voltage 120 to 277V AC Full L...

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$76.40 - $76.40
$76.40
$76.40 - $76.40
$76.40
Room Temp Sensor Integ Siemens Control

Room Temp Sensor Integ Siemens Control

SIEMENS
$155.89 - $155.89
$155.89
$155.89 - $155.89
$155.89

Temperature Sensor Display Type Digital Sensing Element Type Not Applicable Output Integrated Siemens Controller Housing Type Conduit Box Housing M...

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$155.89 - $155.89
$155.89
$155.89 - $155.89
$155.89
Room Temp Sensor Thermistor 32-122 F

Room Temp Sensor Thermistor 32-122 F

SIEMENS
$190.61 - $190.61
$190.61
$190.61 - $190.61
$190.61

Temperature Sensor Display Type Digital Sensing Element Type Thermistor Housing Type Conduit Box Housing Material Plastic Housing Color White Probe...

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$190.61 - $190.61
$190.61
$190.61 - $190.61
$190.61
Room Temperature Sensor Nickel 32-122 F

Room Temperature Sensor Nickel 32-122 F

SIEMENS
$51.57 - $51.57
$51.57
$51.57 - $51.57
$51.57

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

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$51.57 - $51.57
$51.57
$51.57 - $51.57
$51.57
Non-Programmable Thermostat

Non-Programmable Thermostat

TRANE
$214.33 - $214.33
$214.33
$214.33 - $214.33
$214.33

Non-Programmable Thermostat Compatible System Type Universal

$214.33 - $214.33
$214.33
$214.33 - $214.33
$214.33

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