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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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Pilot Assembly LP/Natural Gas

Pilot Assembly LP/Natural Gas

HEIL QUAKER
$98.28 - $98.28
$98.28
$98.28 - $98.28
$98.28

Pilot Assembly Replacement Type OEM Product Type Pilot Assembly For Fuel Type LP Natural Gas Flame Pattern Type Not Applicable Lead Length Not Appl...

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$98.28 - $98.28
$98.28
$98.28 - $98.28
$98.28
Switch Limit Disc O140 C120 S

Switch Limit Disc O140 C120 S

HEIL QUAKER
$54.49 - $54.49
$54.49
$54.49 - $54.49
$54.49

Switch Limit Disc O140 C120 S

$54.49 - $54.49
$54.49
$54.49 - $54.49
$54.49
Temp 35F-Cls 55F-Opn Defrost Limit

Temp 35F-Cls 55F-Opn Defrost Limit

HEATCRAFT REFRIGERATION
$207.10 - $207.10
$207.10
$207.10 - $207.10
$207.10

Temp 35F-Cls 55F-Opn Defrost Limit

$207.10 - $207.10
$207.10
$207.10 - $207.10
$207.10
Heat Exch Pckging Assy 4C-17.5

Heat Exch Pckging Assy 4C-17.5

GOODMAN
$546.92 - $546.92
$546.92
$546.92 - $546.92
$546.92

Heat Exchanger Assembly Overall Length 17 1/2 in

$546.92 - $546.92
$546.92
$546.92 - $546.92
$546.92
Control 80+ Systems First Pp

Control 80+ Systems First Pp

INTERMATIC
$653.16 - $653.16
$653.16
$653.16 - $653.16
$653.16

Control Board

$653.16 - $653.16
$653.16
$653.16 - $653.16
$653.16
Flame Vapor Control W/Pp

Flame Vapor Control W/Pp

FIELD CONTROLS
$574.77 - $574.77
$574.77
$574.77 - $574.77
$574.77

Flame Vapor Control

$574.77 - $574.77
$574.77
$574.77 - $574.77
$574.77
Feed Valve Assembly 120V AC

Feed Valve Assembly 120V AC

HYDROLEVEL
$181.59 - $181.59
$181.59
$181.59 - $181.59
$181.59

Feed Valve Assembly Input Voltage 120V AC

$181.59 - $181.59
$181.59
$181.59 - $181.59
$181.59
Switchmode Selector Switch R621

Switchmode Selector Switch R621

GOODMAN
$29.30 - $29.30
$29.30
$29.30 - $29.30
$29.30

Switchmode Selector Switch R621

$29.30 - $29.30
$29.30
$29.30 - $29.30
$29.30
Steam Trapb1125S 3/4 Inv Bucket W/Strain

Steam Trapb1125S 3/4 Inv Bucket W/Strain

HOFFMAN
$832.42 - $832.42
$832.42
$832.42 - $832.42
$832.42

Steam Trapb1125S 3/4 Inv Bucket W/Strain

$832.42 - $832.42
$832.42
$832.42 - $832.42
$832.42
Humidity/Temp Sensor Nickel 32-131 F

Humidity/Temp Sensor Nickel 32-131 F

JOHNSON CONTROLS
$531.06 - $531.06
$531.06
$531.06 - $531.06
$531.06

Humidity and Temperature Sensor Display Type None Sensing Element Type Nickel Mounting Location Duct Mount Housing Material Plastic Housing Color W...

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$531.06 - $531.06
$531.06
$531.06 - $531.06
$531.06
Actuator Green Housing 0.5 lb

Actuator Green Housing 0.5 lb

CLIMATE MASTER
$301.02 - $301.02
$301.02
$301.02 - $301.02
$301.02

Actuator Valve Application Valve Signal Type Not Applicable Rated Torque Not Applicable Input Voltage 24V DC Output Signal Not Applicable Contact F...

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$301.02 - $301.02
$301.02
$301.02 - $301.02
$301.02
Speed Control 120/240/277V AC 10 A

Speed Control 120/240/277V AC 10 A

TITUS
$593.69 - $593.69
$593.69
$593.69 - $593.69
$593.69

Speed Control Switch Type Dial Input Voltage 120/240/277V AC Maximum Input Current 10 A Plate Material Steel Reversible Not Reversible Plate Color ...

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$593.69 - $593.69
$593.69
$593.69 - $593.69
$593.69
Outside Humidity Temperature Transmitter

Outside Humidity Temperature Transmitter

JOHNSON CONTROLS
$959.73 - $959.73
$959.73
$959.73 - $959.73
$959.73

Outside Humidity and Temperature Transmitter Overall Length 10 3/8 in Overall Width 4 in Overall Height 8 1/8 in Product Type Outdoor Temperature a...

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$959.73 - $959.73
$959.73
$959.73 - $959.73
$959.73
Portable Gas Remote Thermostat Gray

Portable Gas Remote Thermostat Gray

RAMFAN
$501.05 - $501.05
$501.05
$501.05 - $501.05
$501.05

Portable Gas Heater Thermostat 120 V AC 240 V AC Compatible Grainger Part Number 9MFH2 Compatible Manufacturer Model Number HA01 Compatible System ...

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$501.05 - $501.05
$501.05
$501.05 - $501.05
$501.05
Humidity Sensor Nickel 32-131 F

Humidity Sensor Nickel 32-131 F

JOHNSON CONTROLS
$608.63 - $608.63
$608.63
$608.63 - $608.63
$608.63

Humidity Sensor Display Type None Sensing Element Type Nickel Mounting Location Duct Mount Housing Material Plastic Housing Color Gray Probe Length...

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$608.63 - $608.63
$608.63
$608.63 - $608.63
$608.63
Furnace Control Board 25V AC

Furnace Control Board 25V AC

WHITE-RODGERS
$324.20 - $324.20
$324.20
$324.20 - $324.20
$324.20

Furnace Control Board Replacement Type Universal Board Type Integrated Compatible with Brand American Standard Carrier Climatic Fedders Goodman Goo...

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$324.20 - $324.20
$324.20
$324.20 - $324.20
$324.20
Ignition Module 24V AC Pre-Purge

Ignition Module 24V AC Pre-Purge

WHITE-RODGERS
$233.70 - $233.70
$233.70
$233.70 - $233.70
$233.70

Ignition Module Product Type Ignition Module Maximum Operating Temperature 175 Degrees F Minimum Operating Temperature -40 Degrees F Lock Out Time ...

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$233.70 - $233.70
$233.70
$233.70 - $233.70
$233.70
Immersion Controller 100 F Max Control

Immersion Controller 100 F Max Control

DAYTON
$38.89 - $38.89
$38.89
$38.89 - $38.89
$38.89

Immersion Controller Application High Limit Maximum Control Temperature 100 Degrees F Minimum Control Temperature 100 Degrees F Differential Temper...

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$38.89 - $38.89
$38.89
$38.89 - $38.89
$38.89
Immersion Controller 240 F Max Control

Immersion Controller 240 F Max Control

DAYTON
$48.48 - $48.48
$48.48
$48.48 - $48.48
$48.48

Immersion Controller Application Circulator High Limit Low Limit Maximum Control Temperature 240 Degrees F Minimum Control Temperature 100 Degrees ...

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$48.48 - $48.48
$48.48
$48.48 - $48.48
$48.48
Immersion Controller 200 F Max Control

Immersion Controller 200 F Max Control

DAYTON
$39.97 - $39.97
$39.97
$39.97 - $39.97
$39.97

Immersion Controller Application Circulator High Limit Low Limit Maximum Control Temperature 200 Degrees F Minimum Control Temperature 65 Degrees F...

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$39.97 - $39.97
$39.97
$39.97 - $39.97
$39.97
Air Flow Switch Input 3V DC ABS

Air Flow Switch Input 3V DC ABS

DWYER
$86.37 - $86.37
$86.37
$86.37 - $86.37
$86.37

Air Flow Switch Contact Form Not Applicable Input Voltage 3V DC Full Load Current Not Applicable Maximum Air Velocity Not Applicable Maximum Duct A...

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$86.37 - $86.37
$86.37
$86.37 - $86.37
$86.37
Globe Valve 13-25/32 in Overall L

Globe Valve 13-25/32 in Overall L

SIEMENS
$7,814.52 - $7,814.52
$7,814.52
$7,814.52 - $7,814.52
$7,814.52

Valve

$7,814.52 - $7,814.52
$7,814.52
$7,814.52 - $7,814.52
$7,814.52
Globe Valve 2-27/32 in Overall L

Globe Valve 2-27/32 in Overall L

SIEMENS
$535.16 - $535.16
$535.16
$535.16 - $535.16
$535.16

Zone valve

$535.16 - $535.16
$535.16
$535.16 - $535.16
$535.16
Zone Valve Actuator 13-1/4 in Overall L

Zone Valve Actuator 13-1/4 in Overall L

SIEMENS
$612.25 - $612.25
$612.25
$612.25 - $612.25
$612.25

Zone valve

$612.25 - $612.25
$612.25
$612.25 - $612.25
$612.25

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