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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

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Thermowell Temp Control Adj 24/277V AC

Thermowell Temp Control Adj 24/277V AC

JOHNSON CONTROLS
$196.45 - $196.45
$196.45
$196.45 - $196.45
$196.45

Line Volt Mechanical Tstat Thermostat Switch Type SPDT Thermostat Control Range 100 Degrees to 240 Degrees F Thermostat Voltage 24 to 277VAC Full L...

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$196.45 - $196.45
$196.45
$196.45 - $196.45
$196.45
Remote-Bulb Control H/C 5in Bulb Length

Remote-Bulb Control H/C 5in Bulb Length

JOHNSON CONTROLS
$156.09 - $156.09
$156.09
$156.09 - $156.09
$156.09

Line Volt Mechanical Tstat Thermostat Switch Type SPST Thermostat Control Range -30 Degrees to 100 Degrees F Thermostat Voltage 120 to 277VAC Full ...

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$156.09 - $156.09
$156.09
$156.09 - $156.09
$156.09
Remote-Bulb Control H/C 3in Bulb Length

Remote-Bulb Control H/C 3in Bulb Length

JOHNSON CONTROLS
$276.69 - $276.69
$276.69
$276.69 - $276.69
$276.69

Line Volt Mechanical Tstat Thermostat Switch Type SPDT Thermostat Control Range 25 Degrees to 225 Degrees F Thermostat Voltage 24 to 277VAC Full Lo...

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$276.69 - $276.69
$276.69
$276.69 - $276.69
$276.69
Remote-Control H/C 2 5/8in Length

Remote-Control H/C 2 5/8in Length

JOHNSON CONTROLS
$237.19 - $237.19
$237.19
$237.19 - $237.19
$237.19

Remote-Control H/C 2 5/8in Length

$237.19 - $237.19
$237.19
$237.19 - $237.19
$237.19
Remote-Control H/C 3 1/2in Length

Remote-Control H/C 3 1/2in Length

JOHNSON CONTROLS
$233.97 - $233.97
$233.97
$233.97 - $233.97
$233.97

Line Volt Mechanical Tstat Thermostat Switch Type SPDT Thermostat Control Range 100 Degrees to 240 Degrees F Thermostat Voltage 120 to 277VAC Full ...

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$233.97 - $233.97
$233.97
$233.97 - $233.97
$233.97
Remote-Bulb Control H/C 6in Bulb Length

Remote-Bulb Control H/C 6in Bulb Length

JOHNSON CONTROLS
$482.54 - $482.54
$482.54
$482.54 - $482.54
$482.54

Line Volt Mechanical Tstat Thermostat Switch Type SPST Thermostat Control Range 200 Degrees to 550 Degrees F Thermostat Voltage 120 to 277VAC Full ...

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$482.54 - $482.54
$482.54
$482.54 - $482.54
$482.54
Remote-Bulb Control H/C 20ft Bulb Length

Remote-Bulb Control H/C 20ft Bulb Length

JOHNSON CONTROLS
$434.80 - $434.80
$434.80
$434.80 - $434.80
$434.80

Line Volt Mechanical Tstat Thermostat Switch Type SPST Thermostat Control Range 35 Degrees to 45 Degrees F Thermostat Voltage 24 to 277VAC Full Loa...

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$434.80 - $434.80
$434.80
$434.80 - $434.80
$434.80
Remote-Bulb Control H/C 20ft Bulb Length

Remote-Bulb Control H/C 20ft Bulb Length

JOHNSON CONTROLS
$432.15 - $432.15
$432.15
$432.15 - $432.15
$432.15

Line Volt Mechanical Tstat Thermostat Switch Type SPST Thermostat Control Range 35 Degrees to 45 Degrees F Thermostat Voltage 24 to 277VAC Full Loa...

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$432.15 - $432.15
$432.15
$432.15 - $432.15
$432.15
Pneumatic Tstat Retrofit Kit H/C Reverse

Pneumatic Tstat Retrofit Kit H/C Reverse

JOHNSON CONTROLS
$250.64 - $250.64
$250.64
$250.64 - $250.64
$250.64

Pneumatic Thermostat Reverse Acting Vertical Cover Control Range 3 to 15 psi 5/32 Barb Air Connections Contact Action RA 25 Max Safe Operating Temp...

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$250.64 - $250.64
$250.64
$250.64 - $250.64
$250.64
Low Volt Prog Tstat Heat/Cool 20-30V AC

Low Volt Prog Tstat Heat/Cool 20-30V AC

EMERSON
$224.77 - $224.77
$224.77
$224.77 - $224.77
$224.77

Low Voltage Thermostat Stages Heat 4 Stages Cool 2 Temp Settings per Day 0 2 4 Programs per Week 7 5-1-1 or Nonprogrammable Terminal Designations -...

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$224.77 - $224.77
$224.77
$224.77 - $224.77
$224.77
Line Volt Tstat Heat 86to40F 240VAC

Line Volt Tstat Heat 86to40F 240VAC

HONEYWELL HOME
$193.07 - $193.07
$193.07
$193.07 - $193.07
$193.07

Thermostat Prog Amb 240V 16 7A Sp R Switch Action Open on Rise Key Pad Lockout No Display Type Digital

$193.07 - $193.07
$193.07
$193.07 - $193.07
$193.07
Line Volt Tstat Heat 86to40F 240VAC

Line Volt Tstat Heat 86to40F 240VAC

HONEYWELL HOME
$152.74 - $152.74
$152.74
$152.74 - $152.74
$152.74

Thermostat Prog Amb 240V 15A Dp Switch Action Open on Rise Key Pad Lockout No Display Type Digital

$152.74 - $152.74
$152.74
$152.74 - $152.74
$152.74
Line Volt Tstat Heat 86to32F 208VAC

Line Volt Tstat Heat 86to32F 208VAC

HONEYWELL HOME
$161.67 - $161.67
$161.67
$161.67 - $161.67
$161.67

Thermostat Switch Action Open on Rise Key Pad Lockout No Display Type Digital

$161.67 - $161.67
$161.67
$161.67 - $161.67
$161.67
100/200F 48Cap Comm.Elec. Thermostat

100/200F 48Cap Comm.Elec. Thermostat

ROBERTSHAW
$309.14 - $309.14
$309.14
$309.14 - $309.14
$309.14

100/200F 48Cap Comm.Elec. Thermostat

$309.14 - $309.14
$309.14
$309.14 - $309.14
$309.14
1/8 Pilot Light Tubing

1/8 Pilot Light Tubing

ROBERTSHAW
$20.11 - $20.11
$20.11
$20.11 - $20.11
$20.11

1/8 Pilot Light Tubing

$20.11 - $20.11
$20.11
$20.11 - $20.11
$20.11
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
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
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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