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HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 2605

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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Two-Way 3/4 In NPT Valve 4.9 Cv

Two-Way 3/4 In NPT Valve 4.9 Cv

HONEYWELL
$161.69 - $161.69
$161.69
$161.69 - $161.69
$161.69

Two-Way 3/4 In NPT Valve 4.9 Cv

$161.69 - $161.69
$161.69
$161.69 - $161.69
$161.69
Low Voltage Non-Programmable Thermostat

Low Voltage Non-Programmable Thermostat

PRO1 IAQ
$133.51 - $133.51
$133.51
$133.51 - $133.51
$133.51

Low Voltage Non-Programmable Thermostat Heat and Cool Manual Compatible System Type PTAC Push Button Dehumidification Control No Differential Type ...

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$133.51 - $133.51
$133.51
$133.51 - $133.51
$133.51
VAV Thermostat 0 to 100 Deg F 24V AC

VAV Thermostat 0 to 100 Deg F 24V AC

HONEYWELL
$1,209.53 - $1,209.53
$1,209.53
$1,209.53 - $1,209.53
$1,209.53

VAV Thermostat Maximum Control Temperature 100 Degrees F Minimum Control Temperature 0 Degrees F Output Signal 135 ohm Potentiometer Number of Rela...

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$1,209.53 - $1,209.53
$1,209.53
$1,209.53 - $1,209.53
$1,209.53
Thremostatic Radiator Control With Combi

Thremostatic Radiator Control With Combi

HONEYWELL HOME
$190.33 - $190.33
$190.33
$190.33 - $190.33
$190.33

Part

$190.33 - $190.33
$190.33
$190.33 - $190.33
$190.33
Temperature Sensor 24 in Lead

Temperature Sensor 24 in Lead

HONEYWELL
$312.24 - $312.24
$312.24
$312.24 - $312.24
$312.24

Temperature Sensor Input Voltage - Overall Height 62 in Overall Width 1/4 in Compatible with Series T775 Compatible with Grainger Part Number 278Y4...

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$312.24 - $312.24
$312.24
$312.24 - $312.24
$312.24
Pneu Temp Transmitter DA 40 to 240F

Pneu Temp Transmitter DA 40 to 240F

HONEYWELL
$1,304.22 - $1,304.22
$1,304.22
$1,304.22 - $1,304.22
$1,304.22

Pneumatic Temperature Transmitter Direct Acting Max Air Pressure 25 psi Max Ambient Temp 265 Degrees F Temp Control Range 40 Degrees to 240 Degrees...

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$1,304.22 - $1,304.22
$1,304.22
$1,304.22 - $1,304.22
$1,304.22
Pneumatic Tstat Heat 2Pipe High

Pneumatic Tstat Heat 2Pipe High

HONEYWELL
$1,094.70 - $1,094.70
$1,094.70
$1,094.70 - $1,094.70
$1,094.70

Pneumatic Temperature Transmitter Direct Acting Single Temperature Air Connections 1/4 in Barb Element Type Bulb Capillary Length 36 in Max Air Pre...

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$1,094.70 - $1,094.70
$1,094.70
$1,094.70 - $1,094.70
$1,094.70
Relay Pneumatic

Relay Pneumatic

HONEYWELL
$502.89 - $502.89
$502.89
$502.89 - $502.89
$502.89

Relay Pneumatic Switching Control Switching Relay Control Range 13 to 17 psi Pressure Range 13 and 17 psi Switching Pressure Max Safe Air PSI 30 ps...

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$502.89 - $502.89
$502.89
$502.89 - $502.89
$502.89
Relay Pneumatic

Relay Pneumatic

HONEYWELL
$276.79 - $276.79
$276.79
$276.79 - $276.79
$276.79

Relay Pneumatic Switching Control Switching Relay Control Range 3 to 7 psi Pressure Range 3 and 7 psi Switching Pressure Max Safe Air PSI 30 psi Ai...

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$276.79 - $276.79
$276.79
$276.79 - $276.79
$276.79
Relay Pneumatic

Relay Pneumatic

HONEYWELL
$258.17 - $258.17
$258.17
$258.17 - $258.17
$258.17

Relay Pneumatic Capacity Control Capacity Relay Control Range 0 to 18 psi Pressure Range 0 to 18 psi Max Safe Air PSI 30 psi Air Connections Barb f...

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$258.17 - $258.17
$258.17
$258.17 - $258.17
$258.17
Switch Pneumatic

Switch Pneumatic

HONEYWELL
$300.25 - $300.25
$300.25
$300.25 - $300.25
$300.25

Switch Pneumatic

$300.25 - $300.25
$300.25
$300.25 - $300.25
$300.25
Replaces M744S1013 12Ov 50/60Hz 15Va 15

Replaces M744S1013 12Ov 50/60Hz 15Va 15

HONEYWELL
$2,192.96 - $2,192.96
$2,192.96
$2,192.96 - $2,192.96
$2,192.96

Part

$2,192.96 - $2,192.96
$2,192.96
$2,192.96 - $2,192.96
$2,192.96
Linear Pneumatic Actuator Fixed

Linear Pneumatic Actuator Fixed

HONEYWELL
$914.53 - $914.53
$914.53
$914.53 - $914.53
$914.53

Linear Pneumatic Actuator Operating PSI Range 3 to 13 Max Air Pressure 29 psi Stroke 3 1/2 in Nominal Spring Range 3 to 13 psi Mounting Type Fixed ...

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$914.53 - $914.53
$914.53
$914.53 - $914.53
$914.53
Controller Pneumatic

Controller Pneumatic

HONEYWELL
$1,272.86 - $1,272.86
$1,272.86
$1,272.86 - $1,272.86
$1,272.86

Pneumatic Controller Dual Input Control Type Field Selectable Operating Temp Range (F) 17 to 30 Air Input Range (PSI) 3 to 15 Height (In.) 5 7/8 in...

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$1,272.86 - $1,272.86
$1,272.86
$1,272.86 - $1,272.86
$1,272.86
Non Linear Thermostat

Non Linear Thermostat

HONEYWELL
$176.78 - $176.78
$176.78
$176.78 - $176.78
$176.78

Pneumatic Thermostat Overall Height 4 3/4 in Overall Width 3 in Standards CE Class B FCC Part 15 UL94 Plastic Enclosure Application Heat or Cool

$176.78 - $176.78
$176.78
$176.78 - $176.78
$176.78
Switch Assembly 3 in H 4 in W

Switch Assembly 3 in H 4 in W

HONEYWELL
$237.15 - $237.15
$237.15
$237.15 - $237.15
$237.15

Switch Assembly Product Type External Auxiliary Switch Kit Compatible with Brand Honeywell Compatible with Manufacturer Model Number ML4115A1009 ML...

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$237.15 - $237.15
$237.15
$237.15 - $237.15
$237.15
Linkage Kit Aluminum For 3 in Valve

Linkage Kit Aluminum For 3 in Valve

HONEYWELL
$492.28 - $492.28
$492.28
$492.28 - $492.28
$492.28

Linkage Kit Product Type Linkage Kit Compatible with Brand Honeywell Compatible with Manufacturer Model Number V5011 V5013 Compatible with Grainger...

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$492.28 - $492.28
$492.28
$492.28 - $492.28
$492.28
Actuator Damper Valve 40 in-lb 24V AC

Actuator Damper Valve 40 in-lb 24V AC

HONEYWELL HOME
$459.96 - $459.96
$459.96
$459.96 - $459.96
$459.96

Actuator Valve Application Damper and Valve Signal Type Floating Point Rated Torque 40 in-lb Input Voltage 24V AC Output Signal Not Applicable Cont...

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$459.96 - $459.96
$459.96
$459.96 - $459.96
$459.96
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

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