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HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 387

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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Modulating Thermostat 2 Addition Outputs

Modulating Thermostat 2 Addition Outputs

HONEYWELL
$480.92 - $480.92
$480.92
$480.92 - $480.92
$480.92

VAV Thermostat Modulating Single Output Max and Min Setpoints for Heating and Cooling Modulating Conrol Night Setback (NSB) Terminal for Energy Sav...

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$480.92 - $480.92
$480.92
$480.92 - $480.92
$480.92
Low Volt NP Analog Tstat Heat/Cool

Low Volt NP Analog Tstat Heat/Cool

EMERSON
$54.15 - $54.15
$54.15
$54.15 - $54.15
$54.15

Low Voltage Thermostat Terminal Designations A B G O RC RH W Y System Switching Heat-Cool-Off Fan Switching Auto-On Dual Transformer Compatible Yes...

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$54.15 - $54.15
$54.15
$54.15 - $54.15
$54.15
Low Volt NP Analog Tstat Heat/Cool

Low Volt NP Analog Tstat Heat/Cool

EMERSON
$50.73 - $50.73
$50.73
$50.73 - $50.73
$50.73

Low Voltage Thermostat Terminal Designations A B G O RC RH W Y System Switching Heat-Cool-Off Fan Switching Auto-On Dual Transformer Compatible Yes...

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$50.73 - $50.73
$50.73
$50.73 - $50.73
$50.73
Conduit Adapter 1 1/2 in H 1 3/4 in L

Conduit Adapter 1 1/2 in H 1 3/4 in L

SIEMENS
$1,949.97 - $1,949.97
$1,949.97
$1,949.97 - $1,949.97
$1,949.97

Conduit Adapter Product Type Conduit Adapter Compatible with Brand Siemens Compatible with Manufacturer Model Number GBB131.1U GBB161.1U GCA121.1P ...

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$1,949.97 - $1,949.97
$1,949.97
$1,949.97 - $1,949.97
$1,949.97
Dehumidifier Control 120/240 V

Dehumidifier Control 120/240 V

APRILAIRE
$285.65 - $285.65
$285.65
$285.65 - $285.65
$285.65

Dehumidifier Control Control Range 40 Percent to 80 Percent Humidity Differential +/-5 Percent Mounting Location Wall Mount

$285.65 - $285.65
$285.65
$285.65 - $285.65
$285.65
Auto Digital Steam Humidifier Control

Auto Digital Steam Humidifier Control

APRILAIRE
$246.09 - $246.09
$246.09
$246.09 - $246.09
$246.09

Humidifier Control Product Type Automatic Digital Humidifier Control Compatible Product Type Steam Humidifiers

$246.09 - $246.09
$246.09
$246.09 - $246.09
$246.09
Automatic Digital Humidifier Control

Automatic Digital Humidifier Control

APRILAIRE
$246.33 - $246.33
$246.33
$246.33 - $246.33
$246.33

Humidifier Control Product Type Automatic Digital Humidifier Control Compatible Product Type Evaporative Humidifiers

$246.33 - $246.33
$246.33
$246.33 - $246.33
$246.33
Switching Fan Relay 90340

Switching Fan Relay 90340

SUPCO
$16.31 - $16.31
$16.31
$16.31 - $16.31
$16.31

Switching Fan Relay 90340

$16.31 - $16.31
$16.31
$16.31 - $16.31
$16.31
Low Volt NP Digital Tstat H or C Wired

Low Volt NP Digital Tstat H or C Wired

EMERSON
$73.08 - $73.08
$73.08
$73.08 - $73.08
$73.08

Low Voltage Thermostat Heat or Cool Manual Compatible System Type Electric Forced Air Furnaces Gas Forced Air Furnaces Millivolt Slide Switch Dehum...

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$73.08 - $73.08
$73.08
$73.08 - $73.08
$73.08
Coolant And Battery Refractor

Coolant And Battery Refractor

ROBINAIR
$176.69 - $176.69
$176.69
$176.69 - $176.69
$176.69

Coolant And Battery Refractor

$176.69 - $176.69
$176.69
$176.69 - $176.69
$176.69
Actuator Damper 150 in-lb 120V AC

Actuator Damper 150 in-lb 120V AC

HONEYWELL
$2,317.25 - $2,317.25
$2,317.25
$2,317.25 - $2,317.25
$2,317.25

Actuator Valve Application Damper Signal Type Proportional Rated Torque 150 in-lb Input Voltage 120V AC Contact Form SPDT Electrical Connection Typ...

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$2,317.25 - $2,317.25
$2,317.25
$2,317.25 - $2,317.25
$2,317.25
Air Sensing Switch Adjustable SPDT

Air Sensing Switch Adjustable SPDT

COLUMBUS ELECTRIC
$69.63 - $69.63
$69.63
$69.63 - $69.63
$69.63

Air Sensing Switch Pressure Setpoint Type Adjustable Pressure Type Differential Negative Mounting Orientation Vertical Maximum Pressure Setting 12 ...

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$69.63 - $69.63
$69.63
$69.63 - $69.63
$69.63
Thermostat

Thermostat

BROAN
$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99

Thermostat

$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
Air Flow Switch 250V AC 1 800fpm 15A ABS

Air Flow Switch 250V AC 1 800fpm 15A ABS

DWYER
$154.37 - $154.37
$154.37
$154.37 - $154.37
$154.37

Air Flow Switch Contact Form SPDT Input Voltage 250V AC Full Load Current 15 A Maximum Air Velocity 1 800 fpm Minimum Actuation Air Velocity - Vert...

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$154.37 - $154.37
$154.37
$154.37 - $154.37
$154.37
Pneumatic Control Digital White 25 psi

Pneumatic Control Digital White 25 psi

JOHNSON CONTROLS
$1,123.99 - $1,123.99
$1,123.99
$1,123.99 - $1,123.99
$1,123.99

Thermostat digital pneumatic two pipe reverse acting Voltage 100 VAC to 240 VAC 50/60Hz

$1,123.99 - $1,123.99
$1,123.99
$1,123.99 - $1,123.99
$1,123.99
Speed Control 120V AC SPST 8 A

Speed Control 120V AC SPST 8 A

DAYTON
$102.30 - $102.30
$102.30
$102.30 - $102.30
$102.30

Speed Control Switch Type Dial Touch Button Contact Form SPST Input Voltage 120V AC Maximum Input Current 8 A Number of Switches or Dials 2 Plate M...

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$102.30 - $102.30
$102.30
$102.30 - $102.30
$102.30
Capacitor Dual Run 370/440VAC 50/60HZ

Capacitor Dual Run 370/440VAC 50/60HZ

CARRIER
$24.73 - $24.73
$24.73
$24.73 - $24.73
$24.73

Capacitor Dual Run 370/440VAC 50/60HZ

$24.73 - $24.73
$24.73
$24.73 - $24.73
$24.73
Fan Relay Outdoor

Fan Relay Outdoor

CARRIER
$69.82 - $69.82
$69.82
$69.82 - $69.82
$69.82

Fan Relay Outdoor

$69.82 - $69.82
$69.82
$69.82 - $69.82
$69.82
Ball Valve 25 CV 2-Way 1 Chrome Plated

Ball Valve 25 CV 2-Way 1 Chrome Plated

SIEMENS
$234.28 - $234.28
$234.28
$234.28 - $234.28
$234.28

Ball Valve 25 CV 2-Way 1 Chrome Plated

$234.28 - $234.28
$234.28
$234.28 - $234.28
$234.28
Fan Coil Unit 24V AC Heat/Cool

Fan Coil Unit 24V AC Heat/Cool

PECO
$198.41 - $198.41
$198.41
$198.41 - $198.41
$198.41

Fan Coil Unit Switch Action Open on Rise Close on Rise Voltage 24V AC

$198.41 - $198.41
$198.41
$198.41 - $198.41
$198.41
Flame Sensor 30 L Probe 30 L Lead

Flame Sensor 30 L Probe 30 L Lead

WHITE-RODGERS
$38.88 - $38.88
$38.88
$38.88 - $38.88
$38.88

Flame Sensor Replacement Type Universal Compatible Ignition System Type Direct Spark Ignition Bracket Type Universal Probe Tip Angle 90 Degrees Pr...

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$38.88 - $38.88
$38.88
$38.88 - $38.88
$38.88
Immersion Controller 100 F Max Control

Immersion Controller 100 F Max Control

DAYTON
$38.89 - $38.89
$38.89
$38.89 - $38.89
$38.89

Immersion Controller Application High Limit Maximum Control Temperature 100 Degrees F Minimum Control Temperature 100 Degrees F Differential Temper...

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$38.89 - $38.89
$38.89
$38.89 - $38.89
$38.89
Immersion Controller 240 F Max Control

Immersion Controller 240 F Max Control

DAYTON
$48.48 - $48.48
$48.48
$48.48 - $48.48
$48.48

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

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$48.48 - $48.48
$48.48
$48.48 - $48.48
$48.48
Immersion Controller 200 F Max Control

Immersion Controller 200 F Max Control

DAYTON
$39.97 - $39.97
$39.97
$39.97 - $39.97
$39.97

Immersion Controller Application Circulator High Limit Low Limit Maximum Control Temperature 200 Degrees F Minimum Control Temperature 65 Degrees F...

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$39.97 - $39.97
$39.97
$39.97 - $39.97
$39.97

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