Skip to content
HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 653

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

$
$
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...

View full Details
$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...

View full Details
$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...

View full Details
$28.78 - $28.78
$28.78
$28.78 - $28.78
$28.78
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...

View full Details
$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...

View full Details
$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...

View full Details
$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...

View full Details
$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
Process Tstat Fixed 500F Heat

Process Tstat Fixed 500F Heat

TEMPCO
$87.50 - $87.50
$87.50
$87.50 - $87.50
$87.50

Process Thermostat Overall Length 2-3/4 in Switch Action Open on Rise Switch Type SPST Number of Switches 1 Contact Rating Resistive @ 120V 13.75A ...

View full Details
$87.50 - $87.50
$87.50
$87.50 - $87.50
$87.50
Process Tstat Fixed 100F Heat

Process Tstat Fixed 100F Heat

TEMPCO
$91.28 - $91.28
$91.28
$91.28 - $91.28
$91.28

Process Thermostat Overall Length 2-3/4 in Switch Action Open on Rise Switch Type SPST Number of Switches 1 Contact Rating Resistive @ 120V 13.75A ...

View full Details
$91.28 - $91.28
$91.28
$91.28 - $91.28
$91.28
Process Tstat Adjustable 400/570F Heat

Process Tstat Adjustable 400/570F Heat

TEMPCO
$76.92 - $76.92
$76.92
$76.92 - $76.92
$76.92

Process Thermostat Overall Length 2-3/4 in Switch Action Open on Rise Switch Type SPST Number of Switches 1 Contact Rating Resistive @ 120V 13.75A ...

View full Details
$76.92 - $76.92
$76.92
$76.92 - $76.92
$76.92
Process Tstat Adjustable 250/399F Heat

Process Tstat Adjustable 250/399F Heat

TEMPCO
$70.48 - $70.48
$70.48
$70.48 - $70.48
$70.48

Process Thermostat Overall Length 2-3/4 in Switch Action Open on Rise Switch Type SPST Number of Switches 1 Contact Rating Resistive @ 120V 13.75A ...

View full Details
$70.48 - $70.48
$70.48
$70.48 - $70.48
$70.48
Process Tstat Adjustable 50/249F Heat

Process Tstat Adjustable 50/249F Heat

TEMPCO
$71.78 - $71.78
$71.78
$71.78 - $71.78
$71.78

Process Thermostat Overall Length 2-3/4 in Switch Action Open on Rise Switch Type SPST Number of Switches 1 Contact Rating Resistive @ 120V 13.75A ...

View full Details
$71.78 - $71.78
$71.78
$71.78 - $71.78
$71.78
Process Tstat Adjustable 50/525F Heat

Process Tstat Adjustable 50/525F Heat

TEMPCO
$75.10 - $75.10
$75.10
$75.10 - $75.10
$75.10

Process Thermostat Overall Length 2-3/4 in Switch Action Open On Rise Switch Type SPST Number of Switches 1 Contact Rating Resistive @ 120V 13.75A ...

View full Details
$75.10 - $75.10
$75.10
$75.10 - $75.10
$75.10
Thermostat Venstar 1 day 2H/2C Prog

Thermostat Venstar 1 day 2H/2C Prog

CARRIER
$114.99 - $114.99
$114.99
$114.99 - $114.99
$114.99

Thermostat Venstar 1 day 2H/2C Prog For Use With Universal

$114.99 - $114.99
$114.99
$114.99 - $114.99
$114.99
Thermostat Non-Programmable 2 or 4 Pipe

Thermostat Non-Programmable 2 or 4 Pipe

CARRIER
$148.77 - $148.77
$148.77
$148.77 - $148.77
$148.77

Thermostat Non-Programmable 2 or 4 Pipe Compatible System Type Universal

$148.77 - $148.77
$148.77
$148.77 - $148.77
$148.77
Elct Wl/Ceil Htr Thrmostat 4-1/2 H 3Pole

Elct Wl/Ceil Htr Thrmostat 4-1/2 H 3Pole

MARKEL PRODUCTS
$239.92 - $239.92
$239.92
$239.92 - $239.92
$239.92

Electric Wall Ceiling Heater Thermostat 125V AC 2 1/4 in Overall Depth 4 1/2 in Overall Height 3/4 in Overall Width Compatible Manufacturer Model ...

View full Details
$239.92 - $239.92
$239.92
$239.92 - $239.92
$239.92
Elct Wl/Ceil Htr Thrmostat 4-1/2 H 2Pole

Elct Wl/Ceil Htr Thrmostat 4-1/2 H 2Pole

MARKEL PRODUCTS
$224.90 - $224.90
$224.90
$224.90 - $224.90
$224.90

Electric Wall Ceiling Heater Thermostat 120 to 277V AC 2 1/4 in Overall Depth 4 1/2 in Overall Height 3/4 in Overall Width Compatible Manufacturer...

View full Details
$224.90 - $224.90
$224.90
$224.90 - $224.90
$224.90
Non-Programmable Fan Coil Thermostat

Non-Programmable Fan Coil Thermostat

INTERNATIONAL ENVIRONMENTAL
$328.26 - $328.26
$328.26
$328.26 - $328.26
$328.26

Non-Programmable Fan Coil Thermostat Includes Mounting Screw

$328.26 - $328.26
$328.26
$328.26 - $328.26
$328.26
Calibration Tool Pneumatic Tstats PK5

Calibration Tool Pneumatic Tstats PK5

SIEMENS
$57.40 - $57.40
$57.40
$57.40 - $57.40
$57.40

Calibration Tool Compatible System Type Pneumatic Thermostats Includes Calibration Wrenches Pocket Clip Overall Height 4 in Overall Width 2 3/4 in ...

View full Details
$57.40 - $57.40
$57.40
$57.40 - $57.40
$57.40
Cover with Logo Plastic Vertical Beige

Cover with Logo Plastic Vertical Beige

SIEMENS
$27.37 - $27.37
$27.37
$27.37 - $27.37
$27.37

Repair Parts and Tools Color Beige Compatible Brand and Series Siemens 192 Compatible Manufacturer Model Number TH 192 S Includes Cover with Logo M...

View full Details
$27.37 - $27.37
$27.37
$27.37 - $27.37
$27.37
Pneumatic Tstat Heat or Cool 2Pipe High

Pneumatic Tstat Heat or Cool 2Pipe High

SIEMENS
$356.47 - $356.47
$356.47
$356.47 - $356.47
$356.47

Pneumatic Thermostat Direct Acting 2 Pipe Heating and Cooling Dual Temperature Control Air Pressure 15 to 30 psi Air Connections 5/32 in Barb Eleme...

View full Details
$356.47 - $356.47
$356.47
$356.47 - $356.47
$356.47
Pneumatic Tstat Heat/Cool 2Pipe High

Pneumatic Tstat Heat/Cool 2Pipe High

SIEMENS
$314.09 - $314.09
$314.09
$314.09 - $314.09
$314.09

Pneumatic Thermostat Reverse Acting 2 Pipe Heating and Cooling Dual Temperature Control Air Pressure 15 to 30 psi Air Connections 5/32 in Barb Elem...

View full Details
$314.09 - $314.09
$314.09
$314.09 - $314.09
$314.09

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare