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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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Heat Exch Braze Plate 350 000 BtuH

Heat Exch Braze Plate 350 000 BtuH

BELL GOSSETT
$725.51 - $725.51
$725.51
$725.51 - $725.51
$725.51

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 350 000 BtuH Heat Dissipation Capacity for Oil 42 600 BtuH Total...

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$725.51 - $725.51
$725.51
$725.51 - $725.51
$725.51
Heat Exch Braze Plate 225 000 BtuH

Heat Exch Braze Plate 225 000 BtuH

BELL GOSSETT
$648.05 - $648.05
$648.05
$648.05 - $648.05
$648.05

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 225 000 BtuH Heat Dissipation Capacity for Oil 31 900 BtuH Total...

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$648.05 - $648.05
$648.05
$648.05 - $648.05
$648.05
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
Actuator Damper 25 in-lb 24V AC

Actuator Damper 25 in-lb 24V AC

HONEYWELL
$795.86 - $795.86
$795.86
$795.86 - $795.86
$795.86

Actuator Valve Application Damper Signal Type Proportional Rated Torque 25 in-lb Input Voltage 24V AC Electrical Connection Type Hardwired Spring R...

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$795.86 - $795.86
$795.86
$795.86 - $795.86
$795.86
Pilot Assembly LP/Natural Gas 90 Left

Pilot Assembly LP/Natural Gas 90 Left

ROBERTSHAW
$64.05 - $64.05
$64.05
$64.05 - $64.05
$64.05

Pilot Assembly Replacement Type OEM Product Type Pilot Assembly For Fuel Type LP Natural Gas Flame Pattern Type 90 Degrees Left Lead Length 24 in T...

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$64.05 - $64.05
$64.05
$64.05 - $64.05
$64.05
Elct Wl/Ceil Htr Thrmostat 4-1/2 H 2Pole

Elct Wl/Ceil Htr Thrmostat 4-1/2 H 2Pole

DAYTON
$40.86 - $40.86
$40.86
$40.86 - $40.86
$40.86

Electric Wall Ceiling Heater Thermostat 120/277V AC 4 3/4 in Overall Depth 4 1/2 in Overall Height 3 in Overall Width Number of Poles 2 120/277V A...

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$40.86 - $40.86
$40.86
$40.86 - $40.86
$40.86
Safety Thermostat for 2E947 2E948

Safety Thermostat for 2E947 2E948

VULCAN
$65.29 - $65.29
$65.29
$65.29 - $65.29
$65.29

High Limit Safety Thermostat Compatible Grainger Part Number 2E947 2E948

$65.29 - $65.29
$65.29
$65.29 - $65.29
$65.29
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
Steam Trap 3000 psi 800F 2-15/16 in L

Steam Trap 3000 psi 800F 2-15/16 in L

NICHOLSON
$1,294.78 - $1,294.78
$1,294.78
$1,294.78 - $1,294.78
$1,294.78

Steam Trap (F)NPT Connections 1 in Max Operating PSI 3 000 psi End to End Length 2 15/16 in Max Temp 800 Degrees F Type Float and Thermostatic Down...

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$1,294.78 - $1,294.78
$1,294.78
$1,294.78 - $1,294.78
$1,294.78
Steam Trap 3000 psi 800F 2-47/64 in L

Steam Trap 3000 psi 800F 2-47/64 in L

NICHOLSON
$777.20 - $777.20
$777.20
$777.20 - $777.20
$777.20

Steam Trap (F)NPT Connections 3/4 in Max Operating PSI 3 000 psi End to End Length 2 47/64 in Max Temp 800 Degrees F Type Float and Thermostatic Do...

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$777.20 - $777.20
$777.20
$777.20 - $777.20
$777.20
Steam Trap 3000 psi 800F 2-27/64 in L

Steam Trap 3000 psi 800F 2-27/64 in L

NICHOLSON
$658.73 - $658.73
$658.73
$658.73 - $658.73
$658.73

Steam Trap (F)NPT Connections 1/2 in Max Operating PSI 3 000 psi End to End Length 2 27/64 in Max Temp 800 Degrees F Type Float and Thermostatic Do...

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$658.73 - $658.73
$658.73
$658.73 - $658.73
$658.73
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
Intake Air Filter For Use with A-4400

Intake Air Filter For Use with A-4400

JOHNSON CONTROLS
$107.89 - $107.89
$107.89
$107.89 - $107.89
$107.89

Intake Air Filter For Use with A-4400

$107.89 - $107.89
$107.89
$107.89 - $107.89
$107.89

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