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HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 3109

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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Limit Control SPST Open on Rise

Limit Control SPST Open on Rise

EMERSON
$30.52 - $30.52
$30.52
$30.52 - $30.52
$30.52

Limit Control Product Type Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature 170 Degrees F Switch Closing Tempe...

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$30.52 - $30.52
$30.52
$30.52 - $30.52
$30.52
Limit Control SPST Open on Rise

Limit Control SPST Open on Rise

EMERSON
$29.51 - $29.51
$29.51
$29.51 - $29.51
$29.51

Limit Control Product Type Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature 160 Degrees F Switch Closing Tempe...

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$29.51 - $29.51
$29.51
$29.51 - $29.51
$29.51
Limit Control SPST Open on Rise

Limit Control SPST Open on Rise

EMERSON
$30.31 - $30.31
$30.31
$30.31 - $30.31
$30.31

Limit Control Product Type Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature 150 Degrees F Switch Closing Tempe...

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$30.31 - $30.31
$30.31
$30.31 - $30.31
$30.31
Limit Control SPST Open on Rise

Limit Control SPST Open on Rise

EMERSON
$31.04 - $31.04
$31.04
$31.04 - $31.04
$31.04

Limit Control Product Type Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature 140 Degrees F Switch Closing Tempe...

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$31.04 - $31.04
$31.04
$31.04 - $31.04
$31.04
Attic Fan Control w/Thermal Limiter

Attic Fan Control w/Thermal Limiter

EMERSON
$61.53 - $61.53
$61.53
$61.53 - $61.53
$61.53

Attic Fan Control

$61.53 - $61.53
$61.53
$61.53 - $61.53
$61.53
Oil Management Control Junction Box 24V

Oil Management Control Junction Box 24V

EMERSON
$756.85 - $756.85
$756.85
$756.85 - $756.85
$756.85

Oil Management Control

$756.85 - $756.85
$756.85
$756.85 - $756.85
$756.85
Air Pressure Switch Adjustable SPDT Auto

Air Pressure Switch Adjustable SPDT Auto

DWYER
$2,391.29 - $2,391.29
$2,391.29
$2,391.29 - $2,391.29
$2,391.29

Air Pressure Switch Pressure Setpoint Type Adjustable Pressure Type Differential Mounting Orientation Vertical Maximum Pressure Setting 30 psid Min...

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$2,391.29 - $2,391.29
$2,391.29
$2,391.29 - $2,391.29
$2,391.29
Master Controller 10 Channels

Master Controller 10 Channels

DWYER
$575.23 - $575.23
$575.23
$575.23 - $575.23
$575.23

Master Controller 10 Channels

$575.23 - $575.23
$575.23
$575.23 - $575.23
$575.23
Gas Valve Standard Opening 415 000 BtuH

Gas Valve Standard Opening 415 000 BtuH

HONEYWELL HOME
$377.77 - $377.77
$377.77
$377.77 - $377.77
$377.77

Gas Valve Ignition Type Direct Spark Ignition Hot Surface Ignition Intermittent Pilot BtuH Capacity 415 000 BtuH Valve Type Standard Opening Two st...

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$377.77 - $377.77
$377.77
$377.77 - $377.77
$377.77

Gas Valve Slow Opening 415 000 BtuH

HONEYWELL HOME
$342.44 - $342.44
$342.44
$342.44 - $342.44
$342.44

Gas Valve Ignition Type Direct Spark Ignition Hot Surface Ignition Intermittent Pilot BtuH Capacity 415 000 BtuH Valve Type Slow Opening Coil Volts...

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$342.44 - $342.44
$342.44
$342.44 - $342.44
$342.44
Pilot Assembly 90 Left/Right Straight

Pilot Assembly 90 Left/Right Straight

HONEYWELL HOME
$135.75 - $135.75
$135.75
$135.75 - $135.75
$135.75

Pilot Assembly Replacement Type Universal Product Type Pilot Assembly For Fuel Type LP Natural Gas Flame Pattern Type 90 Degrees Left 90 Degrees Ri...

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$135.75 - $135.75
$135.75
$135.75 - $135.75
$135.75
Pressure Switch Vertical Mount 3 H

Pressure Switch Vertical Mount 3 H

DWYER
$125.49 - $125.49
$125.49
$125.49 - $125.49
$125.49

Pressure Switch Pressure Setpoint Type Adjustable Pressure Type Differential Mounting Orientation Vertical Maximum Differential Pressure Setting 20...

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$125.49 - $125.49
$125.49
$125.49 - $125.49
$125.49
Differential Pressure Switch 3 7/8 H

Differential Pressure Switch 3 7/8 H

DWYER
$168.39 - $168.39
$168.39
$168.39 - $168.39
$168.39

Differential Pressure Switch Pressure Setpoint Type Adjustable Pressure Type Differential Mounting Orientation Vertical Maximum Differential Pressu...

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$168.39 - $168.39
$168.39
$168.39 - $168.39
$168.39
Differential Pressure Switch 2.0-10.0 In

Differential Pressure Switch 2.0-10.0 In

DWYER
$179.09 - $179.09
$179.09
$179.09 - $179.09
$179.09

Differential Pressure Switch 2.0-10.0 In Pressure Setpoint Type Adjustable Pressure Type Differential Mounting Orientation Vertical Maximum Differe...

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$179.09 - $179.09
$179.09
$179.09 - $179.09
$179.09
Ball Valve 2-Way 1/2 in NPT

Ball Valve 2-Way 1/2 in NPT

SIEMENS
$96.21 - $96.21
$96.21
$96.21 - $96.21
$96.21

HVAC Control Ball Valve Valve Only 2-Way Coefficient of Volume 4 Connection Type (F)NPT Connection Size 1/2 in Material Brass Stainless Steel Safe ...

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$96.21 - $96.21
$96.21
$96.21 - $96.21
$96.21
Plenum Thermostat SPST Open on Rise

Plenum Thermostat SPST Open on Rise

SUPCO
$19.07 - $19.07
$19.07
$19.07 - $19.07
$19.07

Plenum Thermostat Product Type Plenum Thermostat Application Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature ...

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$19.07 - $19.07
$19.07
$19.07 - $19.07
$19.07
Plenum Thermostat SPST Open on Rise

Plenum Thermostat SPST Open on Rise

SUPCO
$21.36 - $21.36
$21.36
$21.36 - $21.36
$21.36

Plenum Thermostat Product Type Plenum Thermostat Application Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature ...

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$21.36 - $21.36
$21.36
$21.36 - $21.36
$21.36
Plenum Thermostat SPST Open on Rise

Plenum Thermostat SPST Open on Rise

SUPCO
$20.62 - $20.62
$20.62
$20.62 - $20.62
$20.62

Plenum Thermostat Product Type Plenum Thermostat Application Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature ...

View full Details
$20.62 - $20.62
$20.62
$20.62 - $20.62
$20.62
Plenum Thermostat SPST Open on Rise

Plenum Thermostat SPST Open on Rise

SUPCO
$21.65 - $21.65
$21.65
$21.65 - $21.65
$21.65

Plenum Thermostat Product Type Plenum Thermostat Application Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature ...

View full Details
$21.65 - $21.65
$21.65
$21.65 - $21.65
$21.65
Plenum Thermostat SPST Open on Rise

Plenum Thermostat SPST Open on Rise

SUPCO
$25.17 - $25.17
$25.17
$25.17 - $25.17
$25.17

Plenum Thermostat Product Type Plenum Thermostat Application Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature ...

View full Details
$25.17 - $25.17
$25.17
$25.17 - $25.17
$25.17
Plenum Thermostat SPST Open on Rise

Plenum Thermostat SPST Open on Rise

SUPCO
$23.15 - $23.15
$23.15
$23.15 - $23.15
$23.15

Plenum Thermostat Product Type Plenum Thermostat Application Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature ...

View full Details
$23.15 - $23.15
$23.15
$23.15 - $23.15
$23.15
Plenum Thermostat SPST Open on Rise

Plenum Thermostat SPST Open on Rise

SUPCO
$25.17 - $25.17
$25.17
$25.17 - $25.17
$25.17

Plenum Thermostat Product Type Plenum Thermostat Application Limit Control Contact Form SPST Switch Action Open on Rise Switch Opening Temperature ...

View full Details
$25.17 - $25.17
$25.17
$25.17 - $25.17
$25.17
Pneumatic Tstat Heat or Cool 2Pipe High

Pneumatic Tstat Heat or Cool 2Pipe High

SCHNEIDER ELECTRIC
$617.29 - $617.29
$617.29
$617.29 - $617.29
$617.29

Pneumatic Thermostat Air Consumption 13.8 scim Throttling Range 2 Degrees to 10 Degrees F Includes Mounting Hardware Hex Wrench Mounting Plate

$617.29 - $617.29
$617.29
$617.29 - $617.29
$617.29
Pneumatic Tstat Heat or Cool 2Pipe High

Pneumatic Tstat Heat or Cool 2Pipe High

SCHNEIDER ELECTRIC
$466.83 - $466.83
$466.83
$466.83 - $466.83
$466.83

Pneumatic Thermostat Air Consumption 15.6 scim Throttling Range 2 Degrees to 12 Degrees F Includes 20-693 Tubing Kit Mounting Kit

$466.83 - $466.83
$466.83
$466.83 - $466.83
$466.83

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