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HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 935

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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Zone Valve 2 Way NC 1/2 In NPT

Zone Valve 2 Way NC 1/2 In NPT

TACO
$250.18 - $250.18
$250.18
$250.18 - $250.18
$250.18

Motorized Zone Valve Two Way Normally Closed Geothermal System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 4.9 300 240 24 2-Pin Screw C...

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$250.18 - $250.18
$250.18
$250.18 - $250.18
$250.18
Zone Valve 2 Way NC 1 In Sweat

Zone Valve 2 Way NC 1 In Sweat

TACO
$352.19 - $352.19
$352.19
$352.19 - $352.19
$352.19

Motorized Zone Valve Two Way Normally Closed Geothermal System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 8.9 300 240 24 2-Pin Screw C...

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$352.19 - $352.19
$352.19
$352.19 - $352.19
$352.19
Zone Valve 2 Way NC 3/4 In Sweat

Zone Valve 2 Way NC 3/4 In Sweat

TACO
$273.34 - $273.34
$273.34
$273.34 - $273.34
$273.34

Motorized Zone Valve Two Way Normally Closed Geothermal System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 10.3 300 240 24 2-Pin Screw ...

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$273.34 - $273.34
$273.34
$273.34 - $273.34
$273.34
Zone Valve 2 Way NC 1/2 In Sweat

Zone Valve 2 Way NC 1/2 In Sweat

TACO
$251.16 - $251.16
$251.16
$251.16 - $251.16
$251.16

Motorized Zone Valve Two Way Normally Closed Geothermal System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 4.9 300 240 24 2-Pin Screw C...

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$251.16 - $251.16
$251.16
$251.16 - $251.16
$251.16
Zone Valve 2 Way NO 1 NPT

Zone Valve 2 Way NO 1 NPT

TACO
$247.35 - $247.35
$247.35
$247.35 - $247.35
$247.35

Motorized Zone Valve Two Way Normally Open Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 8.9 300 220 24 2-Pin Screw Connect...

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$247.35 - $247.35
$247.35
$247.35 - $247.35
$247.35
Zone Valve 2 Way NO 3/4 NPT

Zone Valve 2 Way NO 3/4 NPT

TACO
$201.69 - $201.69
$201.69
$201.69 - $201.69
$201.69

Motorized Zone Valve Two Way Normally Open Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 10.3 300 220 24 2-Pin Screw Connec...

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$201.69 - $201.69
$201.69
$201.69 - $201.69
$201.69
Zone Valve 2 Way NO 1/2 NPT

Zone Valve 2 Way NO 1/2 NPT

TACO
$192.39 - $192.39
$192.39
$192.39 - $192.39
$192.39

Motorized Zone Valve Two Way Normally Open Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 4.9 300 220 24 2-Pin Screw Connect...

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$192.39 - $192.39
$192.39
$192.39 - $192.39
$192.39
Zone Valve 2 Way NO 1 In Sweat

Zone Valve 2 Way NO 1 In Sweat

TACO
$231.32 - $231.32
$231.32
$231.32 - $231.32
$231.32

Motorized Zone Valve Two Way Normally Open Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 8.9 300 240 24 2-Pin Screw Connect...

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$231.32 - $231.32
$231.32
$231.32 - $231.32
$231.32
Zone Valve 2 Way NO 3/4 In Sweat

Zone Valve 2 Way NO 3/4 In Sweat

TACO
$206.11 - $206.11
$206.11
$206.11 - $206.11
$206.11

Motorized Zone Valve Two Way Normally Open Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 10.3 300 240 24 2-Pin Screw Connec...

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$206.11 - $206.11
$206.11
$206.11 - $206.11
$206.11
Zone Valve 2 Way NO 1/2 In Sweat

Zone Valve 2 Way NO 1/2 In Sweat

TACO
$174.51 - $174.51
$174.51
$174.51 - $174.51
$174.51

Motorized Zone Valve Two Way Normally Open Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 4.9 300 240 24 2-Pin Screw Connect...

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$174.51 - $174.51
$174.51
$174.51 - $174.51
$174.51
Zone Valve 2 Way NC 1 NPT

Zone Valve 2 Way NC 1 NPT

TACO
$222.91 - $222.91
$222.91
$222.91 - $222.91
$222.91

Motorized Zone Valve Two Way Normally Closed Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 8.9 300 220 24 2-Pin Screw Conne...

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$222.91 - $222.91
$222.91
$222.91 - $222.91
$222.91
Zone Valve 2 Way NC 3/4 NPT

Zone Valve 2 Way NC 3/4 NPT

TACO
$187.31 - $187.31
$187.31
$187.31 - $187.31
$187.31

Motorized Zone Valve Two Way Normally Closed Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 10.3 300 220 24 2-Pin Screw Conn...

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$187.31 - $187.31
$187.31
$187.31 - $187.31
$187.31
Zone Valve 2 Way NC 1/2 NPT

Zone Valve 2 Way NC 1/2 NPT

TACO
$179.45 - $179.45
$179.45
$179.45 - $179.45
$179.45

Motorized Zone Valve Two Way Normally Closed Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 4.9 300 220 24 2-Pin Screw Conne...

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$179.45 - $179.45
$179.45
$179.45 - $179.45
$179.45
Zone Valve 2 Way NC 1 In Sweat

Zone Valve 2 Way NC 1 In Sweat

TACO
$222.83 - $222.83
$222.83
$222.83 - $222.83
$222.83

Motorized Zone Valve Two Way Normally Closed Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 8.9 300 240 24 2-Pin Screw Conne...

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$222.83 - $222.83
$222.83
$222.83 - $222.83
$222.83
Zone Valve 2 Way NC 3/4 In Sweat

Zone Valve 2 Way NC 3/4 In Sweat

TACO
$197.95 - $197.95
$197.95
$197.95 - $197.95
$197.95

Motorized Zone Valve Two Way Normally Closed Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 10.3 300 240 24 2-Pin Screw Conn...

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$197.95 - $197.95
$197.95
$197.95 - $197.95
$197.95
Zone Valve 2 Way NC 1/2 In Sweat

Zone Valve 2 Way NC 1/2 In Sweat

TACO
$185.70 - $185.70
$185.70
$185.70 - $185.70
$185.70

Motorized Zone Valve Two Way Normally Closed Closed System Height (In.) 4-1/4 Width (In.) 5-5/16 Depth (In.) 2-3/8 4.9 300 240 24 2-Pin Screw Conne...

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$185.70 - $185.70
$185.70
$185.70 - $185.70
$185.70

Water Heater Interlock Use With UC1

TJERNLUND
$307.86 - $307.86
$307.86
$307.86 - $307.86
$307.86

Water Heater Interlock Control Product Type Gas Valve For Fuel Type LP Natural Gas Capillary Tube Length 18 in Gas Connection 1/4 in Includes Gas P...

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$307.86 - $307.86
$307.86
$307.86 - $307.86
$307.86
Speed Control 125V AC 3 A Dial

Speed Control 125V AC 3 A Dial

TJERNLUND
$88.39 - $88.39
$88.39
$88.39 - $88.39
$88.39

Speed Control Switch Type Dial Input Voltage 125V AC Maximum Input Current 3 A Number of Switches or Dials 1 Plate Material Plastic Reversible Not ...

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$88.39 - $88.39
$88.39
$88.39 - $88.39
$88.39
Speed Control 115V AC 3 A Dial

Speed Control 115V AC 3 A Dial

TJERNLUND
$77.28 - $77.28
$77.28
$77.28 - $77.28
$77.28

Speed Control Switch Type Dial Input Voltage 115V AC Maximum Input Current 3 A Number of Switches or Dials 1 Plate Material Steel Reversible Not Re...

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$77.28 - $77.28
$77.28
$77.28 - $77.28
$77.28
Dehumidistat 10 A Silver 115 V

Dehumidistat 10 A Silver 115 V

TJERNLUND
$145.85 - $145.85
$145.85
$145.85 - $145.85
$145.85

Dehumidistat Product Type Dehumidistat Control Range 20 to 80 Percent RH Humidity Differential 10 Switch Action Close on Rise Current Rating 10 A M...

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$145.85 - $145.85
$145.85
$145.85 - $145.85
$145.85
Portable Gas Digital Thermostat Blk/Gray

Portable Gas Digital Thermostat Blk/Gray

HEAT WAGON
$511.17 - $511.17
$511.17
$511.17 - $511.17
$511.17

Portable Gas Heater Thermostat 120 V AC 2 1/2 in Overall Depth 6 1/2 in Overall Height 2 3/4 in Overall Width Compatible Grainger Part Number 11Z96...

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$511.17 - $511.17
$511.17
$511.17 - $511.17
$511.17
Valve 2 Way High Temp On/Off Sweat 1/2

Valve 2 Way High Temp On/Off Sweat 1/2

JOHNSON CONTROLS
$66.30 - $66.30
$66.30
$66.30 - $66.30
$66.30

Zone Valve 2 Way High Temp On/Off Height (In.) 1-7/8 Width (In.) 2-5/8 Depth (In.) 1-3/4 Coefficient of Volume 1 Safe Working Steam PSI 15 Safe Wor...

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$66.30 - $66.30
$66.30
$66.30 - $66.30
$66.30
Gas Valve 70000 BtuH Cap. 1/2 Inlet Sz

Gas Valve 70000 BtuH Cap. 1/2 Inlet Sz

RESIDEO
$303.24 - $303.24
$303.24
$303.24 - $303.24
$303.24

Gas Valve Ignition Type Manual Piezo BtuH Capacity 70 000 BtuH Valve Type Standard Opening Gas Type NG Inlet Size 1/2 in Outlet Size 1/2 in LP Conv...

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$303.24 - $303.24
$303.24
$303.24 - $303.24
$303.24

Hot Surface Igniter Universal 120V AC

SUPCO
$28.87 - $28.87
$28.87
$28.87 - $28.87
$28.87

Hot Surface Igniter Product Type Hot Surface Igniter Replacement Type Universal Heating Element Material Silicon Carbide Electrical Connection Type...

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$28.87 - $28.87
$28.87
$28.87 - $28.87
$28.87

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