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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

Internal Transformer Kit 24V AC 50/60Hz

Internal Transformer Kit 24V AC 50/60Hz

HONEYWELL
$236.45 - $236.45
$236.45
$236.45 - $236.45
$236.45

Internal Transformer Kit Compatible with Brand Honeywell Compatible with Manufacturer Model Number M734 M934 Compatible with Series 41 81 Includes ...

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$236.45 - $236.45
$236.45
$236.45 - $236.45
$236.45
Low Volt Prog Tstat Heat/Cool 18-30V AC

Low Volt Prog Tstat Heat/Cool 18-30V AC

HONEYWELL HOME
$894.60 - $894.60
$894.60
$894.60 - $894.60
$894.60

Low Voltage Thermostat Stages Heat 4 Heat Pump or 3 Conventional Stages Cool 2 Temp Settings per Day 4 Programs per Week 7 Terminal Designations A ...

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$894.60 - $894.60
$894.60
$894.60 - $894.60
$894.60
Remote-Control H/C 4 3/16in Length

Remote-Control H/C 4 3/16in Length

HONEYWELL
$597.68 - $597.68
$597.68
$597.68 - $597.68
$597.68

Line V Mechanical Tstat 120 to 277VAC 8A

$597.68 - $597.68
$597.68
$597.68 - $597.68
$597.68
Remote-Control H/C 4 3/16in Length

Remote-Control H/C 4 3/16in Length

HONEYWELL
$774.55 - $774.55
$774.55
$774.55 - $774.55
$774.55

Line V Mechanical Tstat 120 to 277VAC 8A

$774.55 - $774.55
$774.55
$774.55 - $774.55
$774.55
Gas Valve Standard Opening 270 000 BtuH

Gas Valve Standard Opening 270 000 BtuH

HONEYWELL
$401.98 - $401.98
$401.98
$401.98 - $401.98
$401.98

Gas Valve Ignition Type Intermittent Pilot and Direct Spark Ignition BtuH Capacity 270 000 BtuH Valve Type Standard Opening Coil Volts 24 V Gas Typ...

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$401.98 - $401.98
$401.98
$401.98 - $401.98
$401.98
Pneumatic Transducer 2-10VDC 0-18 psi

Pneumatic Transducer 2-10VDC 0-18 psi

HONEYWELL
$1,296.16 - $1,296.16
$1,296.16
$1,296.16 - $1,296.16
$1,296.16

Electronic Pneumatic Transducer Voltage Input Type Max Safe Air PSI 30 psi Control Air Pressure 0 to 18 psi Air Connections 5/32 in or 1/4 in Barb ...

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$1,296.16 - $1,296.16
$1,296.16
$1,296.16 - $1,296.16
$1,296.16
Temp Control Heat and Cool -40-248F

Temp Control Heat and Cool -40-248F

HONEYWELL
$583.73 - $583.73
$583.73
$583.73 - $583.73
$583.73

Temperature Control Temperature Control Function Heat and Cool Product Type Temperature Control Number of Stages Single Contact Form SPDT NEMA Rati...

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$583.73 - $583.73
$583.73
$583.73 - $583.73
$583.73
Actuator Damper Valve 175 in-lb 24V AC

Actuator Damper Valve 175 in-lb 24V AC

HONEYWELL
$1,154.76 - $1,154.76
$1,154.76
$1,154.76 - $1,154.76
$1,154.76

Actuator Valve Application Damper and Valve Signal Type Floating Point On/Off Rated Torque 175 in-lb Input Voltage 24V AC Output Signal Not Applica...

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$1,154.76 - $1,154.76
$1,154.76
$1,154.76 - $1,154.76
$1,154.76
Actuator Damper and Valve 44 in-lb

Actuator Damper and Valve 44 in-lb

HONEYWELL
$637.65 - $637.65
$637.65
$637.65 - $637.65
$637.65

Actuator Valve Application Damper and Valve Signal Type On/Off Rated Torque 44 in-lb Input Voltage 100 to 250V AC Output Signal Not Applicable Cont...

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$637.65 - $637.65
$637.65
$637.65 - $637.65
$637.65
Actuator Damper and Valve 88 in-lb

Actuator Damper and Valve 88 in-lb

HONEYWELL
$742.19 - $742.19
$742.19
$742.19 - $742.19
$742.19

Actuator Valve Application Damper and Valve Signal Type On/Off Rated Torque 88 in-lb Input Voltage 100 to 250V AC Output Signal Not Applicable Cont...

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$742.19 - $742.19
$742.19
$742.19 - $742.19
$742.19
Actuator Damper 25 in-lb 24V AC

Actuator Damper 25 in-lb 24V AC

HONEYWELL
$970.42 - $970.42
$970.42
$970.42 - $970.42
$970.42

Actuator Valve Application Damper Signal Type Proportional Rated Torque 25 in-lb Input Voltage 24V AC Output Signal Not Applicable Contact Form SPD...

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$970.42 - $970.42
$970.42
$970.42 - $970.42
$970.42

Actuator Damper Valve 175 in-lb 24V AC

HONEYWELL
$909.25 - $909.25
$909.25
$909.25 - $909.25
$909.25

Actuator Valve Application Damper and Valve Signal Type Floating Point Rated Torque 175 in-lb Input Voltage 24V AC Output Signal Not Applicable Con...

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$909.25 - $909.25
$909.25
$909.25 - $909.25
$909.25
Actuator Damper 44 in-lb 24V AC

Actuator Damper 44 in-lb 24V AC

HONEYWELL
$414.88 - $414.88
$414.88
$414.88 - $414.88
$414.88

Actuator Valve Application Damper Signal Type Floating Point Rated Torque 44 in-lb Input Voltage 24V AC Output Signal Not Applicable Contact Form S...

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$414.88 - $414.88
$414.88
$414.88 - $414.88
$414.88
Actuator Damper Valve 175 in-lb 24V AC

Actuator Damper Valve 175 in-lb 24V AC

HONEYWELL
$711.79 - $711.79
$711.79
$711.79 - $711.79
$711.79

Actuator Valve Application Damper and Valve Signal Type Floating Point Rated Torque 175 in-lb Input Voltage 24V AC Output Signal Not Applicable Con...

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$711.79 - $711.79
$711.79
$711.79 - $711.79
$711.79
Actuator Damper 44 in-lb 24V AC

Actuator Damper 44 in-lb 24V AC

HONEYWELL
$277.42 - $277.42
$277.42
$277.42 - $277.42
$277.42

Actuator Valve Application Damper Signal Type Floating Point Rated Torque 44 in-lb Input Voltage 24V AC Output Signal Not Applicable Contact Form S...

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$277.42 - $277.42
$277.42
$277.42 - $277.42
$277.42
Actuator Damper Valve 44 in-lb 24V AC

Actuator Damper Valve 44 in-lb 24V AC

HONEYWELL
$661.31 - $661.31
$661.31
$661.31 - $661.31
$661.31

Actuator Valve Application Damper and Valve Signal Type Floating Point On/Off Rated Torque 44 in-lb Input Voltage 24V AC Output Signal 0 to 10V DC ...

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$661.31 - $661.31
$661.31
$661.31 - $661.31
$661.31
Outdoor Temperature Sensor

Outdoor Temperature Sensor

HONEYWELL
$59.65 - $59.65
$59.65
$59.65 - $59.65
$59.65

Temperature Sensor Product Type Outdoor Temperature Sensor For Use With Building Automation Systems Building Automation System Compatible Compatibl...

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$59.65 - $59.65
$59.65
$59.65 - $59.65
$59.65
High/Low Limit Controller 130-240F

High/Low Limit Controller 130-240F

HONEYWELL
$445.10 - $445.10
$445.10
$445.10 - $445.10
$445.10

High/Low Limit Controller Application Circulator High Limit Maximum Control Temperature 240 Degrees F Minimum Control Temperature 130 Degrees F Dif...

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$445.10 - $445.10
$445.10
$445.10 - $445.10
$445.10
Immersion Controller 100-240F SPST

Immersion Controller 100-240F SPST

HONEYWELL
$325.50 - $325.50
$325.50
$325.50 - $325.50
$325.50

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

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$325.50 - $325.50
$325.50
$325.50 - $325.50
$325.50
Convertor Analog 212 Deg 0-10V

Convertor Analog 212 Deg 0-10V

IFM
$168.69 - $168.69
$168.69
$168.69 - $168.69
$168.69

Converter IP Rating IP67 Input Voltage 0 to 10V AC Compatible with Manufacturer Model Number PT100 PT1000 Standards CE cULus Listed DIN IEC 68-2-27...

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$168.69 - $168.69
$168.69
$168.69 - $168.69
$168.69
Convertor Scaled Analog 302 Deg

Convertor Scaled Analog 302 Deg

IFM
$167.52 - $167.52
$167.52
$167.52 - $167.52
$167.52

Converter IP Rating IP67 Input Voltage 20 to 32V DC Compatible with Manufacturer Model Number PT100 PT1000 Standards CE cULus Listed DIN IEC 68-2-2...

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$167.52 - $167.52
$167.52
$167.52 - $167.52
$167.52
Low Volt NP Digital Tstat H or C Wired

Low Volt NP Digital Tstat H or C Wired

HONEYWELL HOME
$150.07 - $150.07
$150.07
$150.07 - $150.07
$150.07

Low Voltage Thermostat Heat or Cool Manual Compatible System Type Heat Pump with Aux Push Button Slide Switch Dehumidification Control No Digit Siz...

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$150.07 - $150.07
$150.07
$150.07 - $150.07
$150.07
Temp Control Heat and Cool -40-248F

Temp Control Heat and Cool -40-248F

HONEYWELL
$346.84 - $346.84
$346.84
$346.84 - $346.84
$346.84

Temperature Control Temperature Control Function Heat and Cool Product Type Temperature Control Number of Stages Single Contact Form SPDT NEMA Rati...

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$346.84 - $346.84
$346.84
$346.84 - $346.84
$346.84
Immersion Controller 100-240F SPST

Immersion Controller 100-240F SPST

HONEYWELL HOME
$480.99 - $480.99
$480.99
$480.99 - $480.99
$480.99

Immersion Controller Application High Limit Maximum Control Temperature 240 Degrees F Minimum Control Temperature 100 Degrees F Differential Temper...

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$480.99 - $480.99
$480.99
$480.99 - $480.99
$480.99

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