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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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Potential Relay SPST 332V AC Coil

Potential Relay SPST 332V AC Coil

APPROVED VENDOR
$16.43 - $16.43
$16.43
$16.43 - $16.43
$16.43

Potential Relay Pick-Up Voltage Setting Adjustability Not Applicable Minimum Pick Up Voltage 260V AC Maximum Pick-Up Voltage 275V AC Maximum Drop O...

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$16.43 - $16.43
$16.43
$16.43 - $16.43
$16.43
Potential Relay SPST 420V AC Coil

Potential Relay SPST 420V AC Coil

APPROVED VENDOR
$17.05 - $17.05
$17.05
$17.05 - $17.05
$17.05

Potential Relay Pick-Up Voltage Setting Adjustability Not Applicable Minimum Pick Up Voltage 212V AC Maximum Pick-Up Voltage 235V AC Maximum Drop O...

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$17.05 - $17.05
$17.05
$17.05 - $17.05
$17.05
Potential Relay SPST 375V AC Coil

Potential Relay SPST 375V AC Coil

APPROVED VENDOR
$19.13 - $19.13
$19.13
$19.13 - $19.13
$19.13

Potential Relay Pick-Up Voltage Setting Adjustability Not Applicable Minimum Pick Up Voltage 185V AC Maximum Pick-Up Voltage 200V AC Maximum Drop O...

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$19.13 - $19.13
$19.13
$19.13 - $19.13
$19.13
Potential Relay SPST 332V AC Coil

Potential Relay SPST 332V AC Coil

APPROVED VENDOR
$16.23 - $16.23
$16.23
$16.23 - $16.23
$16.23

Potential Relay Pick-Up Voltage Setting Adjustability Not Applicable Minimum Pick Up Voltage 166V AC Maximum Pick-Up Voltage 180V AC Maximum Drop O...

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$16.23 - $16.23
$16.23
$16.23 - $16.23
$16.23
Potential Relay SPST 168V AC Coil

Potential Relay SPST 168V AC Coil

APPROVED VENDOR
$18.61 - $18.61
$18.61
$18.61 - $18.61
$18.61

Potential Relay Pick-Up Voltage Setting Adjustability Not Applicable Minimum Pick Up Voltage 139V AC Maximum Pick-Up Voltage 153V AC Maximum Drop O...

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$18.61 - $18.61
$18.61
$18.61 - $18.61
$18.61
Low Volt Tstat Heat/Cool SPDT

Low Volt Tstat Heat/Cool SPDT

FRIEDRICH
$242.63 - $242.63
$242.63
$242.63 - $242.63
$242.63

Low Voltage Thermostat 24V AC Heat and Cool 2 1/8 in Overall Depth 5 3/4 in Overall Height 7 5/8 in Overall Width Number of Cooling Stages - Conven...

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$242.63 - $242.63
$242.63
$242.63 - $242.63
$242.63
Thermostat On/Off 24-277V 3 SPD Vertical

Thermostat On/Off 24-277V 3 SPD Vertical

PECO
$241.91 - $241.91
$241.91
$241.91 - $241.91
$241.91

Thermostat On/Off 24-277V 3 SPD Vertical For Use With Universal

$241.91 - $241.91
$241.91
$241.91 - $241.91
$241.91
Tstat Guard Plastic 9 5/8x7 3/16x3 3/8in

Tstat Guard Plastic 9 5/8x7 3/16x3 3/8in

APPROVED VENDOR
$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49

Universal Thermostat Guard Base Type Ring Base Solid Base Cover Type Snap-On Guard Construction Double Wall Inside Depth 3 in Inside Height 8 3/8 i...

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$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49
Speed Control 120V AC SPST 1.5 A

Speed Control 120V AC SPST 1.5 A

LUTRON
$27.79 - $27.79
$27.79
$27.79 - $27.79
$27.79

Speed Control Switch Type Dial Contact Form SPST Input Voltage 120V AC Maximum Input Current 1.5 A Number of Switches or Dials 1 Plate Material Pla...

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$27.79 - $27.79
$27.79
$27.79 - $27.79
$27.79
Outdoor Temperature Sensor 4 to 20 mA

Outdoor Temperature Sensor 4 to 20 mA

SIEMENS
$147.29 - $147.29
$147.29
$147.29 - $147.29
$147.29

Temperature Sensor Display Type None Output 4 to 20 mA Housing Type Conduit Box Housing Material Plastic Housing Color Gray Temperature Accuracy +/...

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$147.29 - $147.29
$147.29
$147.29 - $147.29
$147.29
Outdoor Temperature Sensor 0 to 10V DC

Outdoor Temperature Sensor 0 to 10V DC

SIEMENS
$147.29 - $147.29
$147.29
$147.29 - $147.29
$147.29

Temperature Sensor Display Type None Output 0 to 10V DC Housing Type Conduit Box Housing Material Plastic Housing Color Gray Probe Length Not Appli...

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$147.29 - $147.29
$147.29
$147.29 - $147.29
$147.29
Digital Thermostat 4 Stages Heat

Digital Thermostat 4 Stages Heat

JOHNSON CONTROLS
$266.86 - $266.86
$266.86
$266.86 - $266.86
$266.86

Digital Thermostat Stages Heat 4 Stages Cool 2 Temp Settings per Day 4 Programs per Week 7 Terminal Designations W3 W2 W1/O/B Y2 Y1 G R C HUM DEHUM...

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$266.86 - $266.86
$266.86
$266.86 - $266.86
$266.86
WiFi Tstat H/C 99/35F Rect White

WiFi Tstat H/C 99/35F Rect White

JOHNSON CONTROLS
$492.79 - $492.79
$492.79
$492.79 - $492.79
$492.79

WiFi Thermostat Heat and Cool Automatic Electric Forced Air Furnaces Gas Forced Air Furnaces Heat Pump with Aux Touch Screen Dehumidification Contr...

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$492.79 - $492.79
$492.79
$492.79 - $492.79
$492.79
WiFi Tstat H/C 99/35F Rect White

WiFi Tstat H/C 99/35F Rect White

JOHNSON CONTROLS
$557.96 - $557.96
$557.96
$557.96 - $557.96
$557.96

WiFi Thermostat Heat and Cool Automatic Electric Forced Air Furnaces Gas Forced Air Furnaces Heat Pump with Aux Touch Screen Dehumidification Contr...

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$557.96 - $557.96
$557.96
$557.96 - $557.96
$557.96
WiFi Tstat H/C 99/35F Rect White

WiFi Tstat H/C 99/35F Rect White

JOHNSON CONTROLS
$498.29 - $498.29
$498.29
$498.29 - $498.29
$498.29

WiFi Thermostat Heat and Cool Automatic Electric Forced Air Furnaces Gas Forced Air Furnaces Heat Pump with Aux Touch Screen Dehumidification Contr...

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$498.29 - $498.29
$498.29
$498.29 - $498.29
$498.29
Flame Sensor Straight Fixed Bracket

Flame Sensor Straight Fixed Bracket

SUPCO
$18.14 - $18.14
$18.14
$18.14 - $18.14
$18.14

Flame Sensor Replacement Type Universal Compatible Ignition System Type Direct Spark Ignition Bracket Type Fixed Probe Tip Angle Straight Probe Len...

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$18.14 - $18.14
$18.14
$18.14 - $18.14
$18.14
Low Volt NP Analog Tstat Heat Square

Low Volt NP Analog Tstat Heat Square

DAYTON
$27.94 - $27.94
$27.94
$27.94 - $27.94
$27.94

Low Voltage Thermostat Terminal Designations R W System Switching No Fan Switching No Automatic Changeover No Dual Transformer Compatible No Power ...

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$27.94 - $27.94
$27.94
$27.94 - $27.94
$27.94
Line Volt NP Analog Tstat 1H White SPST

Line Volt NP Analog Tstat 1H White SPST

DAYTON
$65.85 - $65.85
$65.85
$65.85 - $65.85
$65.85

Line Volt Mechanical Tstat Thermostat Switch Type SPST Thermostat Control Range 50 Degrees to 90 Degrees F Thermostat Voltage 120 to 277V AC Full L...

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$65.85 - $65.85
$65.85
$65.85 - $65.85
$65.85
Line Volt NP Analog Tstat 1H White DPST

Line Volt NP Analog Tstat 1H White DPST

DAYTON
$62.84 - $62.84
$62.84
$62.84 - $62.84
$62.84

Line Volt Mechanical Tstat Thermostat Switch Type DPST Thermostat Control Range 50 Degrees to 90 Degrees F Thermostat Voltage 120 to 277V AC Full L...

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$62.84 - $62.84
$62.84
$62.84 - $62.84
$62.84
Low Volt NP Analog Tstat Heat/Cool

Low Volt NP Analog Tstat Heat/Cool

DAYTON
$44.58 - $44.58
$44.58
$44.58 - $44.58
$44.58

Low Voltage Thermostat Terminal Designations G RC RH W Y System Switching Heat-Cool-Off Fan Switching Auto-On Automatic Changeover No Dual Transfor...

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$44.58 - $44.58
$44.58
$44.58 - $44.58
$44.58
Low Volt NP Analog Tstat Cool Rectangle

Low Volt NP Analog Tstat Cool Rectangle

DAYTON
$28.78 - $28.78
$28.78
$28.78 - $28.78
$28.78

Low Voltage Thermostat Terminal Designations G R Y System Switching Cool-Off Fan Switching Auto-On Automatic Changeover No Dual Transformer Compati...

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$28.78 - $28.78
$28.78
$28.78 - $28.78
$28.78
Potential Relay SPST 270V AC Coil

Potential Relay SPST 270V AC Coil

SUPCO
$35.84 - $35.84
$35.84
$35.84 - $35.84
$35.84

Potential Relay Pick-Up Voltage Setting Adjustability Adjustable Minimum Pick Up Voltage 110V AC Maximum Pick-Up Voltage 270V AC Maximum Drop Out V...

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$35.84 - $35.84
$35.84
$35.84 - $35.84
$35.84
Flame Sensor 90 Deg Fixed Bracket

Flame Sensor 90 Deg Fixed Bracket

SUPCO
$18.42 - $18.42
$18.42
$18.42 - $18.42
$18.42

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

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$18.42 - $18.42
$18.42
$18.42 - $18.42
$18.42
Hot Surface Igniter OEM 120V AC

Hot Surface Igniter OEM 120V AC

SUPCO
$35.37 - $35.37
$35.37
$35.37 - $35.37
$35.37

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

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$35.37 - $35.37
$35.37
$35.37 - $35.37
$35.37

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