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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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CONTROLS - PRESSURE

CONTROLS - PRESSURE

LENNOX
$124.32 - $124.32
$124.32
$124.32 - $124.32
$124.32

Low Pressure Switch Le32W87

$124.32 - $124.32
$124.32
$124.32 - $124.32
$124.32
CONTROLS - PRESSURE

CONTROLS - PRESSURE

NORDYNE
$41.88 - $41.88
$41.88
$41.88 - $41.88
$41.88

Low Pressure Switch 5Co 20Ci No632393R Reset Type Automatic Reset Compatible with Series PPH3SF

$41.88 - $41.88
$41.88
$41.88 - $41.88
$41.88
CONTROLS - PRESSURE

CONTROLS - PRESSURE

MCQUAY/DAIKIN
$143.95 - $143.95
$143.95
$143.95 - $143.95
$143.95

Low Pressure Control Mq047356111

$143.95 - $143.95
$143.95
$143.95 - $143.95
$143.95
CONTROLS - PRESSURE

CONTROLS - PRESSURE

MARS
$96.56 - $96.56
$96.56
$96.56 - $96.56
$96.56

Low Press.Swt.25Ci 10Co Ms43343 Pressure Setpoint Type Fixed Sample Line Connection Size 1/4 in Sample Line Connector Type Flare Electrical Rating ...

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$96.56 - $96.56
$96.56
$96.56 - $96.56
$96.56
CONTROLS - PRESSURE

CONTROLS - PRESSURE

LENNOX
$77.93 - $77.93
$77.93
$77.93 - $77.93
$77.93

Low Press Switch 90Cls 40Op Le38M76

$77.93 - $77.93
$77.93
$77.93 - $77.93
$77.93
CONTROLS - PRESSURE

CONTROLS - PRESSURE

LENNOX
$116.20 - $116.20
$116.20
$116.20 - $116.20
$116.20

Low Ambient Pressure Switch Le18J74 Contact Form SPST Electrical Connection Type Hardwired Maximum Pressure Rating 150 psi

$116.20 - $116.20
$116.20
$116.20 - $116.20
$116.20
CONTROLS - PRESSURE

CONTROLS - PRESSURE

LENNOX
$82.33 - $82.33
$82.33
$82.33 - $82.33
$82.33

Loss Of Charge Pressure Switch Le84M96

$82.33 - $82.33
$82.33
$82.33 - $82.33
$82.33
Limit Control

Limit Control

LENNOX
$201.15 - $201.15
$201.15
$201.15 - $201.15
$201.15

Limit Control Product Type Limit Control

$201.15 - $201.15
$201.15
$201.15 - $201.15
$201.15
Indoor Zone Sensor 20K Le47W36

Indoor Zone Sensor 20K Le47W36

LENNOX
$126.90 - $126.90
$126.90
$126.90 - $126.90
$126.90

Temperature and Humidity Sensor Loop Resistance 20k ohm

$126.90 - $126.90
$126.90
$126.90 - $126.90
$126.90
Temp and Humidty Sensor 10k ohm

Temp and Humidty Sensor 10k ohm

LENNOX
$170.60 - $170.60
$170.60
$170.60 - $170.60
$170.60

Temperature and Humidity Sensor Loop Resistance 10k ohm

$170.60 - $170.60
$170.60
$170.60 - $170.60
$170.60
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
Infinite Switch 120V AC 450F Max

Infinite Switch 120V AC 450F Max

ROBERTSHAW
$33.60 - $33.60
$33.60
$33.60 - $33.60
$33.60

Infinite Switch Product Type Infinite Switch Capillary Tube Length Not Applicable Sensing Bulb Diameter Not Applicable Stem Length 2 in Sensing Bul...

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$33.60 - $33.60
$33.60
$33.60 - $33.60
$33.60
Heat Exchanger

Heat Exchanger

CARRIER
$4,379.28 - $4,379.28
$4,379.28
$4,379.28 - $4,379.28
$4,379.28

Heat Exchanger

$4,379.28 - $4,379.28
$4,379.28
$4,379.28 - $4,379.28
$4,379.28
Air Flow Switch SPDT .05-2 Wc

Air Flow Switch SPDT .05-2 Wc

CLEVELAND CONTROLS
$84.08 - $84.08
$84.08
$84.08 - $84.08
$84.08

Pressure Setpoint Type Adjustable Pressure Type Negative Positive Maximum Pressure Setting 12 in wc Minimum Pressure Setting 0.03 in wc Electrical ...

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$84.08 - $84.08
$84.08
$84.08 - $84.08
$84.08
Pilot

Pilot

JOHNSON CONTROLS
$1,078.83 - $1,078.83
$1,078.83
$1,078.83 - $1,078.83
$1,078.83

Pilot

$1,078.83 - $1,078.83
$1,078.83
$1,078.83 - $1,078.83
$1,078.83
Current Switch .5/10A With SPDT Relay

Current Switch .5/10A With SPDT Relay

KRUETER CONTROLS
$145.53 - $145.53
$145.53
$145.53 - $145.53
$145.53

Current Switch

$145.53 - $145.53
$145.53
$145.53 - $145.53
$145.53
Pressure 140/200N. Fan Speed

Pressure 140/200N. Fan Speed

JOHNSON CONTROLS
$755.10 - $755.10
$755.10
$755.10 - $755.10
$755.10

Pressure 140/200N. Fan Speed Mounting Orientation Vertical Sample Line Connection Size 1/4 in Sample Line Connector Type Flare Input Voltage 16V El...

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$755.10 - $755.10
$755.10
$755.10 - $755.10
$755.10
Pressure SwitchpropstaticN.Ctrl 0-100N.

Pressure SwitchpropstaticN.Ctrl 0-100N.

JOHNSON CONTROLS
$889.24 - $889.24
$889.24
$889.24 - $889.24
$889.24

Pressure SwitchpropstaticN.Ctrl 0-100N. Pressure Setpoint Type Adjustable Pressure Type Differential Mounting Orientation Horizontal Vertical Maxim...

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$889.24 - $889.24
$889.24
$889.24 - $889.24
$889.24
Hot Surface Igniter

Hot Surface Igniter

HYDROTHERM
$79.29 - $79.29
$79.29
$79.29 - $79.29
$79.29

Hot Surface Igniter Product Type Hot Surface Igniter

$79.29 - $79.29
$79.29
$79.29 - $79.29
$79.29
Temperature 100/250F 4Stg 6Cap .29X2.5

Temperature 100/250F 4Stg 6Cap .29X2.5

JOHNSON CONTROLS
$867.33 - $867.33
$867.33
$867.33 - $867.33
$867.33

Temperature Control

$867.33 - $867.33
$867.33
$867.33 - $867.33
$867.33
Temperature Control SPDT 0-150 Deg F

Temperature Control SPDT 0-150 Deg F

JOHNSON CONTROLS
$767.13 - $767.13
$767.13
$767.13 - $767.13
$767.13

Temperature Control Contact Form SPDT Limit Maximum Control Temperature 150 Degrees F Limit Minimum Control Temperature 0 Degrees F Product Type Te...

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$767.13 - $767.13
$767.13
$767.13 - $767.13
$767.13
Temperature 30/110F Coil-Bulb SPDT 2 Dif

Temperature 30/110F Coil-Bulb SPDT 2 Dif

JOHNSON CONTROLS
$350.44 - $350.44
$350.44
$350.44 - $350.44
$350.44

Temperature Control

$350.44 - $350.44
$350.44
$350.44 - $350.44
$350.44
Temp 30/110F 3.5+/-2F Fixed Knobadj

Temp 30/110F 3.5+/-2F Fixed Knobadj

JOHNSON CONTROLS
$309.50 - $309.50
$309.50
$309.50 - $309.50
$309.50

Temperature Control

$309.50 - $309.50
$309.50
$309.50 - $309.50
$309.50

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