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HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 315

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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Valve And Actuator Pneumatic Pipe 1/2 In

Valve And Actuator Pneumatic Pipe 1/2 In

SIEMENS
$189.96 - $189.96
$189.96
$189.96 - $189.96
$189.96

Pneumatic Control Valve Globe Pipe (In.) 1/2 NPT Valve Body Material Bronze Width (In.) 4 in Height (In.) 4 in Valve Type 2-Way NO Cv 4 Spring Rang...

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$189.96 - $189.96
$189.96
$189.96 - $189.96
$189.96
Gas Valve Low Capacity 70 000 BtuH

Gas Valve Low Capacity 70 000 BtuH

ROBERTSHAW
$275.36 - $275.36
$275.36
$275.36 - $275.36
$275.36

Gas Valve BtuH Capacity 70 000 BtuH Valve Type Low Capacity Coil Volts 750 mV Gas Type NG/LP Inlet Size 1/2 in Outlet Size 3/8 in Side Taps No Inle...

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$275.36 - $275.36
$275.36
$275.36 - $275.36
$275.36
Gas Valve Combination 150 000 BtuH

Gas Valve Combination 150 000 BtuH

ROBERTSHAW
$201.26 - $201.26
$201.26
$201.26 - $201.26
$201.26

Gas Valve Ignition Type Standing Pilot BtuH Capacity 150 000 BtuH Valve Type Combination Coil Volts 24 V Gas Type NG/LP Inlet Size 1/2 in Outlet Si...

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$201.26 - $201.26
$201.26
$201.26 - $201.26
$201.26
Replacement Head 50/60 Hz 24 Vac

Replacement Head 50/60 Hz 24 Vac

HONEYWELL HOME
$144.20 - $144.20
$144.20
$144.20 - $144.20
$144.20

Replacement Head 50/60 Hz Height 1 1/2 in Width 2 3/8 in Depth 3 1/2 in Max Water Temp 125 Deg F Voltage 24 Electrical Connections 18 In Leads For ...

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$144.20 - $144.20
$144.20
$144.20 - $144.20
$144.20
3-13 Psi Spring Range 4In. Stroke. Incl

3-13 Psi Spring Range 4In. Stroke. Incl

HONEYWELL
$753.27 - $753.27
$753.27
$753.27 - $753.27
$753.27

3-13 Psi Spring Range 4In. Stroke. Incl

$753.27 - $753.27
$753.27
$753.27 - $753.27
$753.27
Valve Zone 1/2 In

Valve Zone 1/2 In

HONEYWELL HOME
$152.80 - $152.80
$152.80
$152.80 - $152.80
$152.80

Hydronic Zone Valve Tube Size 1/2 Inch Coefficient of Volume 3.5 Electrical Connections 18 Inches Leads 24 Volts Motorized Maximum Pressure 125 PSI

$152.80 - $152.80
$152.80
$152.80 - $152.80
$152.80
Immersion Controller 100-240F SPDT

Immersion Controller 100-240F SPDT

HONEYWELL HOME
$307.14 - $307.14
$307.14
$307.14 - $307.14
$307.14

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

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$307.14 - $307.14
$307.14
$307.14 - $307.14
$307.14
Valve Zone 3/4 In

Valve Zone 3/4 In

HONEYWELL HOME
$182.83 - $182.83
$182.83
$182.83 - $182.83
$182.83

Hydronic Zone Valve Tube Size 3/4 Inch Coefficient of Volume 3.5 Electrical Connections Terminal Block 24 Volts Motorized Maximum Pressure 125 PSI

$182.83 - $182.83
$182.83
$182.83 - $182.83
$182.83
Valve Zone 3/4 In

Valve Zone 3/4 In

HONEYWELL HOME
$151.76 - $151.76
$151.76
$151.76 - $151.76
$151.76

Hydronic Zone Valve Tube Size 3/4 Inch Coefficient of Volume 3.5 Electrical Connections 18 Inches Leads 24 Volts Motorized Maximum Pressure 125 PSI

$151.76 - $151.76
$151.76
$151.76 - $151.76
$151.76
Gas Valve Fast Opening 280 000 BtuH

Gas Valve Fast Opening 280 000 BtuH

WHITE-RODGERS
$296.87 - $296.87
$296.87
$296.87 - $296.87
$296.87

Gas Valve Ignition Type Standing Pilot BtuH Capacity 280 000 BtuH Valve Type Fast Opening Coil Volts 24 V Gas Type NG/LP Inlet Size 3/4 in Outlet S...

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$296.87 - $296.87
$296.87
$296.87 - $296.87
$296.87
Gas Valve Gas Pilot Safety 142 000 BtuH

Gas Valve Gas Pilot Safety 142 000 BtuH

WHITE-RODGERS
$201.70 - $201.70
$201.70
$201.70 - $201.70
$201.70

Gas Valve BtuH Capacity 142 000 BtuH Valve Type Gas Pilot Safety Coil Volts 30 mV Inlet Size 1/2 in Outlet Size 1/2 in Ambient Temp Range 32 to 175...

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$201.70 - $201.70
$201.70
$201.70 - $201.70
$201.70
Standing Pilot Module 24V AC

Standing Pilot Module 24V AC

HONEYWELL HOME
$751.22 - $751.22
$751.22
$751.22 - $751.22
$751.22

Standing Pilot Module Product Type Standing Pilot Module Maximum Operating Temperature 165 Degrees F Minimum Operating Temperature -40 Degrees F Lo...

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$751.22 - $751.22
$751.22
$751.22 - $751.22
$751.22
Solenoid Air Valve 3-Way 24VAC 0-30 psi

Solenoid Air Valve 3-Way 24VAC 0-30 psi

JOHNSON CONTROLS
$899.22 - $899.22
$899.22
$899.22 - $899.22
$899.22

Solenoid Air Valve Normally Open/Normally Closed Control Air Pressure 0 to 30 psi 1/8 in NPT Air Connections Max Air Pressure 30 psi Height 3 1/4 i...

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$899.22 - $899.22
$899.22
$899.22 - $899.22
$899.22
Packing Kit For Use with Flare Valves

Packing Kit For Use with Flare Valves

JOHNSON CONTROLS
$121.69 - $121.69
$121.69
$121.69 - $121.69
$121.69

Packing Kit For Use with Flare Valves

$121.69 - $121.69
$121.69
$121.69 - $121.69
$121.69
Solenoid Air Valve 3-Way 277VAC 0-25 psi

Solenoid Air Valve 3-Way 277VAC 0-25 psi

JOHNSON CONTROLS
$603.98 - $603.98
$603.98
$603.98 - $603.98
$603.98

Solenoid Air Valve Normally Open/Normally Closed Control Air Pressure 0 to 25 psi 1/4 in Barb Air Connections Max Air Pressure 30 psi Height 3 1/4 ...

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$603.98 - $603.98
$603.98
$603.98 - $603.98
$603.98
Pneumatic Low Limit Controller

Pneumatic Low Limit Controller

JOHNSON CONTROLS
$652.42 - $652.42
$652.42
$652.42 - $652.42
$652.42

Pneumatic Low Limit Controller Direct Acting Height (In.) 3 in Width (In.) 6 in Depth (In.) 2 in Air Consumption (SCFM) 0.2 scfm

$652.42 - $652.42
$652.42
$652.42 - $652.42
$652.42
4-Way Bypass Valve For Use with A-4400

4-Way Bypass Valve For Use with A-4400

JOHNSON CONTROLS
$490.31 - $490.31
$490.31
$490.31 - $490.31
$490.31

4-Way Bypass Valve For Use with A-4400

$490.31 - $490.31
$490.31
$490.31 - $490.31
$490.31
Gas Valve Standard Opening 70 000 BtuH

Gas Valve Standard Opening 70 000 BtuH

ROBERTSHAW
$159.64 - $159.64
$159.64
$159.64 - $159.64
$159.64

Gas Valve BtuH Capacity 70 000 BtuH Valve Type Standard Opening Coil Volts 750 mV Gas Type NG/LP Inlet Size 1/2 in Outlet Size 1/2 in LP Conversion...

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$159.64 - $159.64
$159.64
$159.64 - $159.64
$159.64
Valve Pneumatic 1/2

Valve Pneumatic 1/2

SIEMENS
$183.18 - $183.18
$183.18
$183.18 - $183.18
$183.18

Pneumatic Control Valve Globe Pipe (In.) 1/2 NPT Valve Body Material Bronze Valve Type 2-Way NC Cv 2.5 Spring Range (PSI) 10-15 Close Off Rating @ ...

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$183.18 - $183.18
$183.18
$183.18 - $183.18
$183.18
Gas Valve Slow Opening 100 000 BtuH

Gas Valve Slow Opening 100 000 BtuH

ROBERTSHAW
$306.32 - $306.32
$306.32
$306.32 - $306.32
$306.32

Gas Valve Ignition Type Standing Pilot BtuH Capacity 100 000 BtuH Valve Type Slow Opening Coil Volts 24 V Gas Type NG/LP Inlet Size 1/2 in Outlet S...

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$306.32 - $306.32
$306.32
$306.32 - $306.32
$306.32
Gas Valve Standard Opening 150 000 BtuH

Gas Valve Standard Opening 150 000 BtuH

ROBERTSHAW
$277.72 - $277.72
$277.72
$277.72 - $277.72
$277.72

Gas Valve Ignition Type Direct Spark Ignition Hot Surface Ignition Intermittent Pilot BtuH Capacity 150 000 BtuH Valve Type Standard Opening Coil V...

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$277.72 - $277.72
$277.72
$277.72 - $277.72
$277.72
Valve Pneumatic 1/2 In

Valve Pneumatic 1/2 In

SIEMENS
$198.36 - $198.36
$198.36
$198.36 - $198.36
$198.36

Pneumatic Control Valve Globe Pipe (In.) 1/2 NPT Valve Body Material Bronze Valve Type 3-Way Cv 4 Spring Range (PSI) 8-13 Close Off Rating @ Main P...

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$198.36 - $198.36
$198.36
$198.36 - $198.36
$198.36
Valve Pneumatic 3/4 In

Valve Pneumatic 3/4 In

SIEMENS
$202.24 - $202.24
$202.24
$202.24 - $202.24
$202.24

Pneumatic Control Valve Globe Pipe (In.) 3/4 NPT Valve Body Material Bronze Valve Type 2-Way NO Cv 6.3 Spring Range (PSI) 3-8 Close Off Rating @ Ma...

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$202.24 - $202.24
$202.24
$202.24 - $202.24
$202.24
Valve Pneumatic 1/2 In

Valve Pneumatic 1/2 In

SIEMENS
$182.33 - $182.33
$182.33
$182.33 - $182.33
$182.33

Pneumatic Control Valve Globe Pipe (In.) 1/2 NPT Valve Body Material Bronze Valve Type 2-Way NO Cv 2.5 Spring Range (PSI) 3-8 Close Off Rating @ Ma...

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$182.33 - $182.33
$182.33
$182.33 - $182.33
$182.33

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