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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

Dehumidistat 20-80% 115V AC SPST

Dehumidistat 20-80% 115V AC SPST

TJERNLUND
$85.16 - $85.16
$85.16
$85.16 - $85.16
$85.16

Dehumidistat Product Type Dehumidistat Dehumidifier Control Compatibility Dehumidifier Control Compatible Humidifier Control Compatibility Humidifi...

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$85.16 - $85.16
$85.16
$85.16 - $85.16
$85.16
Enclosed Fan Relay SPDT 120V Coil

Enclosed Fan Relay SPDT 120V Coil

APPROVED VENDOR
$9.20 - $9.20
$9.20
$9.20 - $9.20
$9.20

Magnetic Relay Coil Volts 120 Switch Type SPNO/SPNC 14 A Full Load Amps @ 120VAC 60 A 8 A Full Load Amps @ 240VAC 48 A 2 1/4 in 2 1/8 in 2 in Unive...

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$9.20 - $9.20
$9.20
$9.20 - $9.20
$9.20
Enclosed Fan Relay SPDT 208/240V Coil

Enclosed Fan Relay SPDT 208/240V Coil

APPROVED VENDOR
$9.20 - $9.20
$9.20
$9.20 - $9.20
$9.20

Magnetic Relay Coil Volts 208/240 Switch Type SPNO/SPNC 14 A Full Load Amps @ 120VAC 60 A 8 A Full Load Amps @ 240VAC 48 A 2 1/4 in 2 1/8 in 2 in U...

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$9.20 - $9.20
$9.20
$9.20 - $9.20
$9.20
Temperature Limit Controller SPST Auto

Temperature Limit Controller SPST Auto

APPROVED VENDOR
$6.21 - $6.21
$6.21
$6.21 - $6.21
$6.21

Temperature Limit Controller Application Limit Control Mounting Surface Mount Contact Form SPST Switch Action Open on Rise Reset Type Automatic Res...

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$6.21 - $6.21
$6.21
$6.21 - $6.21
$6.21
Modernization Kit

Modernization Kit

HONEYWELL
$735.26 - $735.26
$735.26
$735.26 - $735.26
$735.26

Modernization Kit Color White Compatible Brand and Series Honeywell Compatible Manufacturer Model Number TP971C Includes Black Spacer Rings Cover P...

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$735.26 - $735.26
$735.26
$735.26 - $735.26
$735.26
Magnetic Relay Switching 120 V Coil

Magnetic Relay Switching 120 V Coil

APPROVED VENDOR
$9.92 - $9.92
$9.92
$9.92 - $9.92
$9.92

Magnetic Relay Coil Volts 120 Switch Type DPDT 12 A Full Load Amps @ 120VAC 60 A 6 A 6 A Full Load Amps @ 240VAC 15 A 2 1/4 in 2 1/8 in 2 in Univer...

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$9.92 - $9.92
$9.92
$9.92 - $9.92
$9.92
Heat Exch Braze Plate 50 gpm 435 psig

Heat Exch Braze Plate 50 gpm 435 psig

BELL GOSSETT
$2,268.68 - $2,268.68
$2,268.68
$2,268.68 - $2,268.68
$2,268.68

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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$2,268.68 - $2,268.68
$2,268.68
$2,268.68 - $2,268.68
$2,268.68
Heat Exch Braze Plate 2 000 000 BtuH

Heat Exch Braze Plate 2 000 000 BtuH

BELL GOSSETT
$11,127.35 - $11,127.35
$11,127.35
$11,127.35 - $11,127.35
$11,127.35

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 2 000 000 BtuH Heat Dissipation Capacity for Oil 360 000 BtuH To...

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$11,127.35 - $11,127.35
$11,127.35
$11,127.35 - $11,127.35
$11,127.35
Heat Exch Braze Plate 535 000 BtuH

Heat Exch Braze Plate 535 000 BtuH

BELL GOSSETT
$3,809.02 - $3,809.02
$3,809.02
$3,809.02 - $3,809.02
$3,809.02

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 535 000 BtuH Heat Dissipation Capacity for Oil 77 000 BtuH Total...

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$3,809.02 - $3,809.02
$3,809.02
$3,809.02 - $3,809.02
$3,809.02
Heat Exch Braze Plate 295 000 BtuH

Heat Exch Braze Plate 295 000 BtuH

BELL GOSSETT
$3,192.00 - $3,192.00
$3,192.00
$3,192.00 - $3,192.00
$3,192.00

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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$3,192.00 - $3,192.00
$3,192.00
$3,192.00 - $3,192.00
$3,192.00
Heat Exch Braze Plate 1 225 875 BtuH

Heat Exch Braze Plate 1 225 875 BtuH

BELL GOSSETT
$7,283.32 - $7,283.32
$7,283.32
$7,283.32 - $7,283.32
$7,283.32

Heat Exchanger Heat Exchanger Type Braze Plate Mounting Stud Thread Size 3/8 In.-16 Heat Dissipation Capacity for Water 1 225 875 BtuH Heat Dissipa...

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$7,283.32 - $7,283.32
$7,283.32
$7,283.32 - $7,283.32
$7,283.32
Electric Sequencer 1 Switch 30-90 Sec

Electric Sequencer 1 Switch 30-90 Sec

APPROVED VENDOR
$24.56 - $24.56
$24.56
$24.56 - $24.56
$24.56

Electric Sequencer Strip Heat And/Or Blower Fan In Heat Pumps And Electric Furnaces Number of Switches 1 Main Switch On Time (Sec.) 30 to 90 Main S...

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$24.56 - $24.56
$24.56
$24.56 - $24.56
$24.56
Temperature Limit Controller SPST Auto

Temperature Limit Controller SPST Auto

APPROVED VENDOR
$6.88 - $6.88
$6.88
$6.88 - $6.88
$6.88

Temperature Limit Controller Application Fan Control Mounting Surface Mount Contact Form SPST Switch Action Close on Rise Reset Type Automatic Rese...

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$6.88 - $6.88
$6.88
$6.88 - $6.88
$6.88
Temperature Limit Controller SPST Manual

Temperature Limit Controller SPST Manual

APPROVED VENDOR
$10.96 - $10.96
$10.96
$10.96 - $10.96
$10.96

Temperature Limit Controller Application Flame Rollout Mounting Surface Mount Contact Form SPST Switch Action Open on Rise Reset Type Manual Reset ...

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$10.96 - $10.96
$10.96
$10.96 - $10.96
$10.96
Temperature Limit Controller SPST Auto

Temperature Limit Controller SPST Auto

APPROVED VENDOR
$6.54 - $6.54
$6.54
$6.54 - $6.54
$6.54

Temperature Limit Controller Application Limit Control Mounting Surface Mount Contact Form SPST Switch Action Open on Rise Reset Type Automatic Res...

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$6.54 - $6.54
$6.54
$6.54 - $6.54
$6.54
Temperature Limit Controller SPST Auto

Temperature Limit Controller SPST Auto

APPROVED VENDOR
$6.56 - $6.56
$6.56
$6.56 - $6.56
$6.56

Temperature Limit Controller Application Limit Control Mounting Surface Mount Contact Form SPST Switch Action Open on Rise Reset Type Automatic Res...

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$6.56 - $6.56
$6.56
$6.56 - $6.56
$6.56
Temperature Limit Controller SPST Auto

Temperature Limit Controller SPST Auto

APPROVED VENDOR
$18.43 - $18.43
$18.43
$18.43 - $18.43
$18.43

Temperature Limit Controller Application Adjustable Limit Control Mounting Surface Mount Contact Form SPST Switch Action Open on Rise Reset Type Au...

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$18.43 - $18.43
$18.43
$18.43 - $18.43
$18.43
Fan Coil Tstat Analog 2 or 4 Pipe 24V

Fan Coil Tstat Analog 2 or 4 Pipe 24V

PECO
$134.61 - $134.61
$134.61
$134.61 - $134.61
$134.61

Fan Coil Thermostat Analog Electronic Thermostat Switch Type Triac Switch Action Open/Close on Rise Number of Switches 6 Thermostat Control Range 5...

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$134.61 - $134.61
$134.61
$134.61 - $134.61
$134.61
Low Volt Prog Tstat Heat/Cool 20-30V AC

Low Volt Prog Tstat Heat/Cool 20-30V AC

PECO
$253.37 - $253.37
$253.37
$253.37 - $253.37
$253.37

Low Voltage Thermostat Stages Heat 3 Stages Cool 2 Temp Settings per Day 0 1 2 4 Programs per Week 7 5-2 5-1-1 or Nonprogrammable Terminal Designat...

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$253.37 - $253.37
$253.37
$253.37 - $253.37
$253.37
Air Pressure Switch Adjust SPDT Manual

Air Pressure Switch Adjust SPDT Manual

ROBERTSHAW
$75.26 - $75.26
$75.26
$75.26 - $75.26
$75.26

Air Pressure Switch Pressure Setpoint Type Adjustable Pressure Type Differential Negative Positive Mounting Orientation Vertical Maximum Pressure S...

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$75.26 - $75.26
$75.26
$75.26 - $75.26
$75.26
Crank Arm Kit 5/16 in Rod Round

Crank Arm Kit 5/16 in Rod Round

KMC CONTROLS
$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49

Crank Arm Kit Product Type Crank Arm Kit Compatible with Brand KMC Controls Compatible with Manufacturer Model Number HLO-4001 Compatible with Grai...

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$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49
Actuator Damper Valve 40 in-lb 24V AC

Actuator Damper Valve 40 in-lb 24V AC

KMC CONTROLS
$151.54 - $151.54
$151.54
$151.54 - $151.54
$151.54

Actuator Valve Application Damper and Valve Signal Type Floating Point Rated Torque 40 in-lb Input Voltage 24V AC Output Signal 24V AC Contact Form...

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$151.54 - $151.54
$151.54
$151.54 - $151.54
$151.54
Magnetic Relay Switching DPST 208/240V

Magnetic Relay Switching DPST 208/240V

APPROVED VENDOR
$9.58 - $9.58
$9.58
$9.58 - $9.58
$9.58

Magnetic Relay Coil Volts 208/240 Switch Type DPST 12 A Full Load Amps @ 120VAC 60 A 6 A 6 A Full Load Amps @ 240VAC 15 A 2 1/4 in 2 1/8 in 2 in Un...

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$9.58 - $9.58
$9.58
$9.58 - $9.58
$9.58
Wiring Module Gray

Wiring Module Gray

HONEYWELL HOME
$30.92 - $30.92
$30.92
$30.92 - $30.92
$30.92

Wiring Module Compatible Brand and Series RedLINK 8000 series Key Features Acts as a Splitter Overall Depth 1 1/4 in Overall Height 4 1/4 in Overal...

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$30.92 - $30.92
$30.92
$30.92 - $30.92
$30.92

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