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HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 328

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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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
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
Ball Joint For Use With Honeywell

Ball Joint For Use With Honeywell

HONEYWELL
$35.65 - $35.65
$35.65
$35.65 - $35.65
$35.65

Ball Joint Product Type Ball Joint Compatible with Brand Honeywell Compatible with Manufacturer Model Number MS3103J1030 MS3105J3030 MS3105J3130 MS...

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$35.65 - $35.65
$35.65
$35.65 - $35.65
$35.65
Motor for AOBD AOBD-BM IOBD Dampers

Motor for AOBD AOBD-BM IOBD Dampers

HONEYWELL HOME
$510.46 - $510.46
$510.46
$510.46 - $510.46
$510.46

Motor Terminal Designations 1 2 3 4 5 6 X Z Includes - Connection Type Screw Terminals

$510.46 - $510.46
$510.46
$510.46 - $510.46
$510.46
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
Mounting Kit 6 1/2 in H 2 1/4 in L

Mounting Kit 6 1/2 in H 2 1/4 in L

SIEMENS
$86.48 - $86.48
$86.48
$86.48 - $86.48
$86.48

Mounting Kit Product Type Mounting Kit Compatible with Brand Siemens Compatible with Manufacturer Model Number GDE131.1P GDE161.1P GLB161.1P Compat...

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$86.48 - $86.48
$86.48
$86.48 - $86.48
$86.48
Mounting Kit 6 5/8 in H 4 3/4 in L

Mounting Kit 6 5/8 in H 4 3/4 in L

SIEMENS
$99.22 - $99.22
$99.22
$99.22 - $99.22
$99.22

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

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$99.22 - $99.22
$99.22
$99.22 - $99.22
$99.22
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
Heat Exch Braze Plate 435 psig 50 gpm

Heat Exch Braze Plate 435 psig 50 gpm

BELL GOSSETT
$1,338.29 - $1,338.29
$1,338.29
$1,338.29 - $1,338.29
$1,338.29

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Refrigerant 60 000 BtuH Total Surface Area 14.72 sq ft Overall Height ...

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$1,338.29 - $1,338.29
$1,338.29
$1,338.29 - $1,338.29
$1,338.29
Heat Exch Braze Plate 435 psig 50 gpm

Heat Exch Braze Plate 435 psig 50 gpm

BELL GOSSETT
$720.60 - $720.60
$720.60
$720.60 - $720.60
$720.60

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Refrigerant 12 000 BtuH Total Surface Area 3.38 sq ft Overall Height 1...

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$720.60 - $720.60
$720.60
$720.60 - $720.60
$720.60
Heat Exch Braze Plate 5 900 000 BtuH

Heat Exch Braze Plate 5 900 000 BtuH

BELL GOSSETT
$7,414.29 - $7,414.29
$7,414.29
$7,414.29 - $7,414.29
$7,414.29

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 5 900 000 BtuH Heat Dissipation Capacity for Oil 636 250 BtuH To...

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$7,414.29 - $7,414.29
$7,414.29
$7,414.29 - $7,414.29
$7,414.29
Heat Exch Braze Plate 1 500 000 BtuH

Heat Exch Braze Plate 1 500 000 BtuH

BELL GOSSETT
$3,794.45 - $3,794.45
$3,794.45
$3,794.45 - $3,794.45
$3,794.45

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 1 500 000 BtuH Heat Dissipation Capacity for Oil 286 000 BtuH To...

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$3,794.45 - $3,794.45
$3,794.45
$3,794.45 - $3,794.45
$3,794.45
Heat Exch Braze Plate 415 000 BtuH

Heat Exch Braze Plate 415 000 BtuH

BELL GOSSETT
$1,378.09 - $1,378.09
$1,378.09
$1,378.09 - $1,378.09
$1,378.09

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 415 000 BtuH Heat Dissipation Capacity for Oil 62 500 BtuH Total...

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$1,378.09 - $1,378.09
$1,378.09
$1,378.09 - $1,378.09
$1,378.09
Heat Exch Braze Plate 295 000 BtuH

Heat Exch Braze Plate 295 000 BtuH

BELL GOSSETT
$1,142.03 - $1,142.03
$1,142.03
$1,142.03 - $1,142.03
$1,142.03

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 295 000 BtuH Heat Dissipation Capacity for Oil 46 500 BtuH Total...

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$1,142.03 - $1,142.03
$1,142.03
$1,142.03 - $1,142.03
$1,142.03
Heat Exch Braze Plate 180 000 BtuH

Heat Exch Braze Plate 180 000 BtuH

BELL GOSSETT
$963.90 - $963.90
$963.90
$963.90 - $963.90
$963.90

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 180 000 BtuH Heat Dissipation Capacity for Oil 30 500 BtuH Total...

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$963.90 - $963.90
$963.90
$963.90 - $963.90
$963.90
Heat Exch Braze Plate 70 000 BtuH

Heat Exch Braze Plate 70 000 BtuH

BELL GOSSETT
$1,088.52 - $1,088.52
$1,088.52
$1,088.52 - $1,088.52
$1,088.52

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 70 000 BtuH Heat Dissipation Capacity for Oil 25 700 BtuH Total ...

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$1,088.52 - $1,088.52
$1,088.52
$1,088.52 - $1,088.52
$1,088.52
Heat Exch Braze Plate 900 000 BtuH

Heat Exch Braze Plate 900 000 BtuH

BELL GOSSETT
$1,348.95 - $1,348.95
$1,348.95
$1,348.95 - $1,348.95
$1,348.95

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 900 000 BtuH Heat Dissipation Capacity for Oil 110 000 BtuH Tota...

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$1,348.95 - $1,348.95
$1,348.95
$1,348.95 - $1,348.95
$1,348.95
Heat Exch Braze Plate 350 000 BtuH

Heat Exch Braze Plate 350 000 BtuH

BELL GOSSETT
$780.51 - $780.51
$780.51
$780.51 - $780.51
$780.51

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 350 000 BtuH Heat Dissipation Capacity for Oil 24 450 BtuH Total...

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$780.51 - $780.51
$780.51
$780.51 - $780.51
$780.51
Heat Exch Braze Plate 350 000 BtuH

Heat Exch Braze Plate 350 000 BtuH

BELL GOSSETT
$725.51 - $725.51
$725.51
$725.51 - $725.51
$725.51

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 350 000 BtuH Heat Dissipation Capacity for Oil 42 600 BtuH Total...

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$725.51 - $725.51
$725.51
$725.51 - $725.51
$725.51
Heat Exch Braze Plate 225 000 BtuH

Heat Exch Braze Plate 225 000 BtuH

BELL GOSSETT
$648.05 - $648.05
$648.05
$648.05 - $648.05
$648.05

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 225 000 BtuH Heat Dissipation Capacity for Oil 31 900 BtuH Total...

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$648.05 - $648.05
$648.05
$648.05 - $648.05
$648.05
Actuator Damper 25 in-lb 24V AC

Actuator Damper 25 in-lb 24V AC

HONEYWELL
$795.86 - $795.86
$795.86
$795.86 - $795.86
$795.86

Actuator Valve Application Damper Signal Type Proportional Rated Torque 25 in-lb Input Voltage 24V AC Electrical Connection Type Hardwired Spring R...

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$795.86 - $795.86
$795.86
$795.86 - $795.86
$795.86

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