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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

Elct Bsbrd Htr Thrmostat 6-3/4 H 2 Pole

Elct Bsbrd Htr Thrmostat 6-3/4 H 2 Pole

DAYTON
$32.55 - $32.55
$32.55
$32.55 - $32.55
$32.55

Electric Baseboard Heater Thermostat 120/208/240/277V AC 4 1/2 in Overall Depth 6 3/4 in Overall Height 4 1/2 in Overall Width Compatible System Ty...

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$32.55 - $32.55
$32.55
$32.55 - $32.55
$32.55
Elct Bsbrd Htr Thrmostat 6-3/4 H 1 Pole

Elct Bsbrd Htr Thrmostat 6-3/4 H 1 Pole

DAYTON
$26.34 - $26.34
$26.34
$26.34 - $26.34
$26.34

Electric Baseboard Heater Thermostat 120/208/240/277V AC 4 1/2 in Overall Depth 6 3/4 in Overall Height 4 1/2 in Overall Width Compatible System Ty...

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$26.34 - $26.34
$26.34
$26.34 - $26.34
$26.34
Elct Bsbrd Htr Thrmostat 6-3/4 H 2 Pole

Elct Bsbrd Htr Thrmostat 6-3/4 H 2 Pole

DAYTON
$120.03 - $120.03
$120.03
$120.03 - $120.03
$120.03

Electric Baseboard Heater Thermostat 120/208/240/277V AC 4 1/2 in Overall Depth 6 3/4 in Overall Height 4 1/2 in Overall Width Compatible System Ty...

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$120.03 - $120.03
$120.03
$120.03 - $120.03
$120.03
Temperature Switch

Temperature Switch

RANCO
$140.57 - $140.57
$140.57
$140.57 - $140.57
$140.57

Temperature Switch

$140.57 - $140.57
$140.57
$140.57 - $140.57
$140.57
Wall Mount Gas Htr Thermostat Whte

Wall Mount Gas Htr Thermostat Whte

WILLIAMS COMFORT PRODUCTS
$46.72 - $46.72
$46.72
$46.72 - $46.72
$46.72

Gas Wall and Ceiling Heater Thermostat 750MV / 24V 4 in Overall Depth 4 in Overall Height 2 in Overall Width Compatible Grainger Part Number 36FK04...

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$46.72 - $46.72
$46.72
$46.72 - $46.72
$46.72
Controller Standard Wired

Controller Standard Wired

BIG ASS FANS
$143.39 - $143.39
$143.39
$143.39 - $143.39
$143.39

Speed Control

$143.39 - $143.39
$143.39
$143.39 - $143.39
$143.39
Controller Single Fan

Controller Single Fan

BIG ASS FANS
$829.84 - $829.84
$829.84
$829.84 - $829.84
$829.84

Speed Control

$829.84 - $829.84
$829.84
$829.84 - $829.84
$829.84
Valve Pneumatic

Valve Pneumatic

HONEYWELL
$400.35 - $400.35
$400.35
$400.35 - $400.35
$400.35

Pneumatic Control Valve Unitary Pipe (In.) 1/2 OD Width (In.) 3 1/8 in Height (In.) 4 1/8 in Valve Type 2 Way NO Cv 1.6 Spring Range (PSI) 3-10 Bod...

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$400.35 - $400.35
$400.35
$400.35 - $400.35
$400.35
Valve Pneumatic

Valve Pneumatic

HONEYWELL
$484.20 - $484.20
$484.20
$484.20 - $484.20
$484.20

Pneumatic Control Valve Unitary Pipe (In.) 1/2 ODF Width (In.) 3 1/8 in Height (In.) 4 7/8 in Valve Type 3-Way Cv 1.6 Spring Range (PSI) 2-5 Body P...

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$484.20 - $484.20
$484.20
$484.20 - $484.20
$484.20
Pneumatic Tstat Heat/Cool 2Pipe High

Pneumatic Tstat Heat/Cool 2Pipe High

HONEYWELL
$527.65 - $527.65
$527.65
$527.65 - $527.65
$527.65

Pneumatic Thermostat Direct Acting and Reverse Acting 2 Pipe Heating and Cooling Single Temperature Air Connections 1/8 in Element Type Bi-Metal Ma...

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$527.65 - $527.65
$527.65
$527.65 - $527.65
$527.65
Pneumatic Tstat Heat or Cool 2Pipe High

Pneumatic Tstat Heat or Cool 2Pipe High

HONEYWELL
$510.03 - $510.03
$510.03
$510.03 - $510.03
$510.03

Pneumatic Thermostat Direct Acting 2 Pipe Heating Single Temperature Air Connections 1/8 in Element Type Bi-Metal Max Air Pressure 25 psi Max Ambie...

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$510.03 - $510.03
$510.03
$510.03 - $510.03
$510.03
Relay Pneumatic

Relay Pneumatic

HONEYWELL
$270.80 - $270.80
$270.80
$270.80 - $270.80
$270.80

Relay Pneumatic Reversing Control Reversing Relay Control Range 18 psi Main 3 to 15 psi Pilot Pressure Range Main 18 psi / Pilot 3 to 15 psi Max Sa...

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$270.80 - $270.80
$270.80
$270.80 - $270.80
$270.80
Controller Pneumatic

Controller Pneumatic

HONEYWELL
$845.98 - $845.98
$845.98
$845.98 - $845.98
$845.98

Pneumatic Controller Single Input Control Type Field Selectable Operating Temp Range (F) - Air Input Range (PSI) 3 to 15 Height (In.) 5 7/8 in Widt...

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$845.98 - $845.98
$845.98
$845.98 - $845.98
$845.98
Switch Electric

Switch Electric

HONEYWELL
$188.41 - $188.41
$188.41
$188.41 - $188.41
$188.41

Pneumatic Electric Switch Voltage Rating 125/250/277 Volts Power Rating 1 2 HP Differential 2 PSI Electrical Connections Screw Terminals Humidity R...

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$188.41 - $188.41
$188.41
$188.41 - $188.41
$188.41
Switch Electric

Switch Electric

HONEYWELL
$303.43 - $303.43
$303.43
$303.43 - $303.43
$303.43

Pneumatic Electric Switch Voltage Rating 125/250/277 Volts Power Rating 1 2 HP Differential 2 PSI Electrical Connections Screw Terminals Humidity R...

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$303.43 - $303.43
$303.43
$303.43 - $303.43
$303.43
Linear Pneumatic Actuator 3 to 13 psi

Linear Pneumatic Actuator 3 to 13 psi

HONEYWELL
$438.14 - $438.14
$438.14
$438.14 - $438.14
$438.14

Linear Pneumatic Actuator Operating PSI Range 3 to 13 Max Air Pressure 29 psi Stroke 4 in Nominal Spring Range 3 to 13 psi Net Force Exerted @ 0 PS...

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$438.14 - $438.14
$438.14
$438.14 - $438.14
$438.14
Linear Pneumatic Actuator 5 to 10 psi

Linear Pneumatic Actuator 5 to 10 psi

HONEYWELL
$210.58 - $210.58
$210.58
$210.58 - $210.58
$210.58

Linear Pneumatic Actuator Operating PSI Range 5 to 10 Max Air Pressure 30 psi Stroke 2 2/5 in Nominal Spring Range 5 to 10 psi Net Force Exerted @ ...

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$210.58 - $210.58
$210.58
$210.58 - $210.58
$210.58
Linear Pneumatic Actuator 8 to 13 psi

Linear Pneumatic Actuator 8 to 13 psi

HONEYWELL
$243.52 - $243.52
$243.52
$243.52 - $243.52
$243.52

Linear Pneumatic Actuator Operating PSI Range 8 to 13 Max Air Pressure 30 psi Stroke 2 2/5 in Nominal Spring Range 8 to 13 psi Net Force Exerted @ ...

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$243.52 - $243.52
$243.52
$243.52 - $243.52
$243.52
Pneumatic Tstat Heat/Cool 2Pipe High

Pneumatic Tstat Heat/Cool 2Pipe High

HONEYWELL
$1,107.27 - $1,107.27
$1,107.27
$1,107.27 - $1,107.27
$1,107.27

Pneumatic Temperature Transmitter Direct Acting and Reverse Acting Single Temperature Air Connections 1/4 in Barb Element Type Bulb Capillary Lengt...

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$1,107.27 - $1,107.27
$1,107.27
$1,107.27 - $1,107.27
$1,107.27
Pneu Temp Transmitter DA -40 to 160F

Pneu Temp Transmitter DA -40 to 160F

HONEYWELL
$723.88 - $723.88
$723.88
$723.88 - $723.88
$723.88

Pneumatic Temperature Transmitter Direct Acting Max Air Pressure 25 psi Max Ambient Temp 265 Degrees F Temp Control Range -40 Degrees to 160 Degree...

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$723.88 - $723.88
$723.88
$723.88 - $723.88
$723.88
Pneu Temp Transmitter DA 40 to 140F

Pneu Temp Transmitter DA 40 to 140F

HONEYWELL
$1,640.32 - $1,640.32
$1,640.32
$1,640.32 - $1,640.32
$1,640.32

Pneumatic Temperature Transmitter Direct Acting Max Air Pressure 25 psi Max Ambient Temp 150 Degrees F Temp Control Range 40 Degrees to 140 Degrees...

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$1,640.32 - $1,640.32
$1,640.32
$1,640.32 - $1,640.32
$1,640.32
Repair Parts/Tools For Pneumatic Hstats

Repair Parts/Tools For Pneumatic Hstats

HONEYWELL
$34.94 - $34.94
$34.94
$34.94 - $34.94
$34.94

Repair Parts and Tools Compatible Grainger Part Number 278Z49 279A27 279A28 3UC87 3UC88 3UC89 3UC90 3UC91 3UC95 3UC99 Compatible Manufacturer Model...

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$34.94 - $34.94
$34.94
$34.94 - $34.94
$34.94
Repair Parts/Tools For Pneumatic Tstats

Repair Parts/Tools For Pneumatic Tstats

HONEYWELL
$292.46 - $292.46
$292.46
$292.46 - $292.46
$292.46

Repair Parts and Tools Compatible Grainger Part Number 278Z49 279A27 279A28 3UC87 3UC88 3UC89 3UC90 3UC91 3UC95 3UC99 Compatible Manufacturer Model...

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$292.46 - $292.46
$292.46
$292.46 - $292.46
$292.46
Repair Parts/Tools Plastic W/6 Inserts

Repair Parts/Tools Plastic W/6 Inserts

HONEYWELL
$301.62 - $301.62
$301.62
$301.62 - $301.62
$301.62

Repair Parts and Tools Color Beige Compatible Brand and Series Honeywell 14004407-910 Compatible Grainger Part Number 279A27 3UC90 3UC95 3UC99 Comp...

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$301.62 - $301.62
$301.62
$301.62 - $301.62
$301.62

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