Skip to content
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

$
$
Ignition Control 24V AC 5 min Pre-Purge

Ignition Control 24V AC 5 min Pre-Purge

ROBERTSHAW
$228.92 - $228.92
$228.92
$228.92 - $228.92
$228.92

Ignition Control Product Type Ignition Control Maximum Operating Temperature 175 Degrees F Minimum Operating Temperature -40 Degrees F Lock Out Tim...

View full Details
$228.92 - $228.92
$228.92
$228.92 - $228.92
$228.92
Ignition Control 24V AC 5 min Pre-Purge

Ignition Control 24V AC 5 min Pre-Purge

ROBERTSHAW
$223.88 - $223.88
$223.88
$223.88 - $223.88
$223.88

Ignition Control Product Type Ignition Control Maximum Operating Temperature 175 Degrees F Minimum Operating Temperature -40 Degrees F Lock Out Tim...

View full Details
$223.88 - $223.88
$223.88
$223.88 - $223.88
$223.88
Flame Sensor Straight Universal Bracket

Flame Sensor Straight Universal Bracket

WHITE-RODGERS
$47.58 - $47.58
$47.58
$47.58 - $47.58
$47.58

Flame Sensor Replacement Type Universal Compatible Ignition System Type Hot Surface Ignition Bracket Type Universal Probe Tip Angle Straight Probe ...

View full Details
$47.58 - $47.58
$47.58
$47.58 - $47.58
$47.58
Connector Harness 24in

Connector Harness 24in

WHITE-RODGERS
$22.23 - $22.23
$22.23
$22.23 - $22.23
$22.23

Harness Connector Includes -

$22.23 - $22.23
$22.23
$22.23 - $22.23
$22.23
Defrost Tstat Fridge Open60F Close40F

Defrost Tstat Fridge Open60F Close40F

GE
$24.17 - $24.17
$24.17
$24.17 - $24.17
$24.17

Defrost Thermostat Switch Close Temperature 40 Degrees F Switch Open Temperature 60 Degrees F Compatible System Type Commercial Refrigeration Compa...

View full Details
$24.17 - $24.17
$24.17
$24.17 - $24.17
$24.17
Calibration Tool Pneumatic Tstats PK5

Calibration Tool Pneumatic Tstats PK5

SIEMENS
$57.40 - $57.40
$57.40
$57.40 - $57.40
$57.40

Calibration Tool Compatible System Type Pneumatic Thermostats Includes Calibration Wrenches Pocket Clip Overall Height 4 in Overall Width 2 3/4 in ...

View full Details
$57.40 - $57.40
$57.40
$57.40 - $57.40
$57.40
Solenoid Air Valve 3-Way 120VAC 0-50 psi

Solenoid Air Valve 3-Way 120VAC 0-50 psi

SIEMENS
$110.65 - $110.65
$110.65
$110.65 - $110.65
$110.65

Solenoid Air Valve Normally Open/Normally Closed Control Air Pressure 0 to 30 psi 1/4 in Barb Air Connections Max Air Pressure 50 psi Height 3 3/4 ...

View full Details
$110.65 - $110.65
$110.65
$110.65 - $110.65
$110.65
Positioning Switch

Positioning Switch

SIEMENS
$96.17 - $96.17
$96.17
$96.17 - $96.17
$96.17

Pneumatic Positioning Switch 0 to 30 PSI Pressure Range Used to Deliver or Stop Compressed Air to Selected Damper Actuators Includes Dial Label and...

View full Details
$96.17 - $96.17
$96.17
$96.17 - $96.17
$96.17
Controller Receiver

Controller Receiver

SIEMENS
$443.77 - $443.77
$443.77
$443.77 - $443.77
$443.77

Pneumatic Receiver Controller Single Input Control Type Input #1 DA Input #2 RA Operating Temp Range (F) 40 to 120 Air Input Range (PSI) 3 to 15 He...

View full Details
$443.77 - $443.77
$443.77
$443.77 - $443.77
$443.77
Controller Receiver

Controller Receiver

SIEMENS
$636.86 - $636.86
$636.86
$636.86 - $636.86
$636.86

Pneumatic Receiver Controller Multiple Inputs Control Type Input #1 DA Input #2 RA Input #3 Reset Operating Temp Range (F) 40 to 120 Air Input Rang...

View full Details
$636.86 - $636.86
$636.86
$636.86 - $636.86
$636.86
Cover with Logo Plastic Vertical Beige

Cover with Logo Plastic Vertical Beige

SIEMENS
$27.37 - $27.37
$27.37
$27.37 - $27.37
$27.37

Repair Parts and Tools Color Beige Compatible Brand and Series Siemens 192 Compatible Manufacturer Model Number TH 192 S Includes Cover with Logo M...

View full Details
$27.37 - $27.37
$27.37
$27.37 - $27.37
$27.37
Pneumatic Tstat Heat or Cool 2Pipe High

Pneumatic Tstat Heat or Cool 2Pipe High

SIEMENS
$356.47 - $356.47
$356.47
$356.47 - $356.47
$356.47

Pneumatic Thermostat Direct Acting 2 Pipe Heating and Cooling Dual Temperature Control Air Pressure 15 to 30 psi Air Connections 5/32 in Barb Eleme...

View full Details
$356.47 - $356.47
$356.47
$356.47 - $356.47
$356.47
Pneumatic Tstat Heat/Cool 2Pipe High

Pneumatic Tstat Heat/Cool 2Pipe High

SIEMENS
$314.09 - $314.09
$314.09
$314.09 - $314.09
$314.09

Pneumatic Thermostat Reverse Acting 2 Pipe Heating and Cooling Dual Temperature Control Air Pressure 15 to 30 psi Air Connections 5/32 in Barb Elem...

View full Details
$314.09 - $314.09
$314.09
$314.09 - $314.09
$314.09
Pneumatic Tstat Retrofit Kit Reverse F

Pneumatic Tstat Retrofit Kit Reverse F

SIEMENS
$179.03 - $179.03
$179.03
$179.03 - $179.03
$179.03

Pneumatic Thermostat Contact Action Reverse Single Setpoint Heating/Cooling Range 45-85 Degrees Fahrenheit Cover Mounting Tubing Adapter Included

$179.03 - $179.03
$179.03
$179.03 - $179.03
$179.03
Pneumatic Tstat Retrofit Kit Direct F

Pneumatic Tstat Retrofit Kit Direct F

SIEMENS
$175.83 - $175.83
$175.83
$175.83 - $175.83
$175.83

Pneumatic Thermostat Contact Action Direct Single Setpoint Heating/Cooling Range 45-85 Degrees Fahrenheit Cover Mounting Tubing Adapter Included

$175.83 - $175.83
$175.83
$175.83 - $175.83
$175.83
Pneumatic Tstat Heat or Cool 2Pipe High

Pneumatic Tstat Heat or Cool 2Pipe High

SIEMENS
$194.94 - $194.94
$194.94
$194.94 - $194.94
$194.94

Pneumatic Thermostat Reverse Acting 2 Pipe Heating and Cooling Single Temperature Control Air Pressure 3 to 15 psi Air Connections 5/32 in Barb Ele...

View full Details
$194.94 - $194.94
$194.94
$194.94 - $194.94
$194.94
Pneumatic Tstat Heat or Cool 2Pipe High

Pneumatic Tstat Heat or Cool 2Pipe High

SIEMENS
$204.04 - $204.04
$204.04
$204.04 - $204.04
$204.04

Pneumatic Thermostat Direct Acting 2 Pipe Heating and Cooling Single Temperature Control Air Pressure 3 to 15 psi Air Connections 5/32 in Barb Elem...

View full Details
$204.04 - $204.04
$204.04
$204.04 - $204.04
$204.04
Steam Trap 125 psi 6-15/16 in L

Steam Trap 125 psi 6-15/16 in L

BELL GOSSETT
$458.57 - $458.57
$458.57
$458.57 - $458.57
$458.57

Steam Trap (F)NPT Connections 1/2 in Max Operating PSI 125 psi End to End Length 6 15/16 in Condensate Capacity Lbs/Hr 920 lb/hr Type Inverted Buck...

View full Details
$458.57 - $458.57
$458.57
$458.57 - $458.57
$458.57
Steam Trap 25 psi 353F 4-23/32 in L

Steam Trap 25 psi 353F 4-23/32 in L

BELL GOSSETT
$321.33 - $321.33
$321.33
$321.33 - $321.33
$321.33

Steam Trap (F)NPT Connections 1/2 in Max Operating PSI 25 psi End to End Length 4 23/32 in Condensate Capacity Lbs/Hr 162 lb/hr Max Temp 353 Degree...

View full Details
$321.33 - $321.33
$321.33
$321.33 - $321.33
$321.33
Relay Fan 24 Vac

Relay Fan 24 Vac

WHITE-RODGERS
$12.63 - $12.63
$12.63
$12.63 - $12.63
$12.63

Magnetic Relay Coil Volts 24 Switch Type SPNO - HP 16 A 8 A Full Load Amps @ 120VAC - - - - 16 A 8 A Full Load Amps @ 240VAC - 6 A - Full Load Amps...

View full Details
$12.63 - $12.63
$12.63
$12.63 - $12.63
$12.63
Steam Trap 25 psi 353F 3-1/4 in L

Steam Trap 25 psi 353F 3-1/4 in L

BELL GOSSETT
$341.88 - $341.88
$341.88
$341.88 - $341.88
$341.88

Steam Trap (F)NPT Connections 1/2 in Max Operating PSI 25 psi End to End Length 3 1/4 in Condensate Capacity Lbs/Hr 162 lb/hr Max Temp 353 Degrees ...

View full Details
$341.88 - $341.88
$341.88
$341.88 - $341.88
$341.88
Tstat Guard Plastic 9 5/8x7 1/8x3 3/8in

Tstat Guard Plastic 9 5/8x7 1/8x3 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...

View full Details
$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49
Tstat Guard Plastic 7 5/16x6 5/16x3in

Tstat Guard Plastic 7 5/16x6 5/16x3in

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 2 5/8 in Inside Height 6 1...

View full Details
$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49
Tstat Guard Plastic 5 5/8x5 5/8x2 5/8in

Tstat Guard Plastic 5 5/8x5 5/8x2 5/8in

APPROVED VENDOR
$39.36 - $39.36
$39.36
$39.36 - $39.36
$39.36

Universal Thermostat Guard Base Type Ring Base Solid Base Cover Type Snap-On Guard Construction Double Wall Inside Depth 2 1/4 in Inside Height 4 7...

View full Details
$39.36 - $39.36
$39.36
$39.36 - $39.36
$39.36

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare