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

$
$
Cord and Plug 6 115 Volt

Cord and Plug 6 115 Volt

QUINCY LAB
$62.97 - $62.97
$62.97
$62.97 - $62.97
$62.97

Cord and Plug 6 115 Volt

$62.97 - $62.97
$62.97
$62.97 - $62.97
$62.97
Incubator Steel Door Digital

Incubator Steel Door Digital

QUINCY LAB
$1,375.00 - $1,375.00
$1,375.00
$1,375.00 - $1,375.00
$1,375.00

Incubator Steel Door Digital

$1,375.00 - $1,375.00
$1,375.00
$1,375.00 - $1,375.00
$1,375.00
Steam to Water Replacement Bundle

Steam to Water Replacement Bundle

THRUSH
$10,623.06 - $10,623.06
$10,623.06
$10,623.06 - $10,623.06
$10,623.06

Steam to Water Replacement Bundle 215gpm Product Type U-Tube Replacement Bundle Maximum Capacity 2 097 000 BtuH Flow Capacity 215 gpm Maximum Outpu...

View full Details
$10,623.06 - $10,623.06
$10,623.06
$10,623.06 - $10,623.06
$10,623.06
Conceal-A-Stat 65 Deg Heating

Conceal-A-Stat 65 Deg Heating

IO HVAC CONTROLS
$29.58 - $29.58
$29.58
$29.58 - $29.58
$29.58

Conceal-A-Stat 65 Degree Heating

$29.58 - $29.58
$29.58
$29.58 - $29.58
$29.58
Speed Control 3 A White 120 V

Speed Control 3 A White 120 V

BROAN
$44.79 - $44.79
$44.79
$44.79 - $44.79
$44.79

Speed Control Switch Type Rotary Dial Plate Color White Switch Color White Includes 120V At 60Hz Max of 3 Amps Switch Ability to Adjust Sound Speed...

View full Details
$44.79 - $44.79
$44.79
$44.79 - $44.79
$44.79
Low Volt NP Digital Tstat H and C Wired

Low Volt NP Digital Tstat H and C Wired

PRO1 IAQ
$317.96 - $317.96
$317.96
$317.96 - $317.96
$317.96

Wireless Low Voltage Thermostat Heat and Cool Automatic Compatible System Type Electric Forced Air Furnaces Gas Forced Air Furnaces Heat Pump with ...

View full Details
$317.96 - $317.96
$317.96
$317.96 - $317.96
$317.96
Heating Thermostat 65 deg.

Heating Thermostat 65 deg.

IO HVAC CONTROLS
$12.30 - $12.30
$12.30
$12.30 - $12.30
$12.30

Heating Thermostat 65 Degree

$12.30 - $12.30
$12.30
$12.30 - $12.30
$12.30
Dehumidistat 9 A White 120 V

Dehumidistat 9 A White 120 V

BROAN
$65.70 - $65.70
$65.70
$65.70 - $65.70
$65.70

Dehumidistat Wall Switch Ventilation Product Type Dehumidistat Control Range 20 to 80 Percent RH Switch Action Close on Rise Current Rating 9 A Mou...

View full Details
$65.70 - $65.70
$65.70
$65.70 - $65.70
$65.70
Repl Keys for Pro1 IAQ T150 Tstat Guard

Repl Keys for Pro1 IAQ T150 Tstat Guard

PRO1 IAQ
$13.11 - $13.11
$13.11
$13.11 - $13.11
$13.11

Replacement Keys Silver Compatible Grainger Part Number 45KF09 Compatible Product Type Pro1 IAQ T150 Plastic Thermostat Guard Steel

$13.11 - $13.11
$13.11
$13.11 - $13.11
$13.11
Relay Pneumatic 110/120V 50/60Hz

Relay Pneumatic 110/120V 50/60Hz

HONEYWELL
$601.20 - $601.20
$601.20
$601.20 - $601.20
$601.20

Relay

$601.20 - $601.20
$601.20
$601.20 - $601.20
$601.20
Steam-Water Heat Exchanger 429 000 BtuH

Steam-Water Heat Exchanger 429 000 BtuH

THRUSH
$5,310.47 - $5,310.47
$5,310.47
$5,310.47 - $5,310.47
$5,310.47

Steam to Water Heat Exchanger Heat Dissipation Capacity for Water 429 000 BtuH Heat Dissipation Capacity for Oil Not Applicable Total Surface Area ...

View full Details
$5,310.47 - $5,310.47
$5,310.47
$5,310.47 - $5,310.47
$5,310.47
Steam to Water Replacement Bundle

Steam to Water Replacement Bundle

THRUSH
$4,231.31 - $4,231.31
$4,231.31
$4,231.31 - $4,231.31
$4,231.31

Steam to Water Replacement Bundle 49 gpm Product Type U-Tube Replacement Bundle Maximum Capacity 478 000 BtuH Flow Capacity 49 gpm Maximum Output T...

View full Details
$4,231.31 - $4,231.31
$4,231.31
$4,231.31 - $4,231.31
$4,231.31
Relay

Relay

HONEYWELL
$899.80 - $899.80
$899.80
$899.80 - $899.80
$899.80

Relay Electric Pneumatic Air Control Range 0 to 20 psi Pressure Range 0 to 30 psi Max Safe Air PSI 50 psi Air Connections Barb for 1/4 O.D Plastic ...

View full Details
$899.80 - $899.80
$899.80
$899.80 - $899.80
$899.80
Wireless Relay

Wireless Relay

IO HVAC CONTROLS
$382.48 - $382.48
$382.48
$382.48 - $382.48
$382.48

Wireless Relay

$382.48 - $382.48
$382.48
$382.48 - $382.48
$382.48
Low Volt Prog Tstat Heat/Cool 24V AC

Low Volt Prog Tstat Heat/Cool 24V AC

PRO1 IAQ
$136.51 - $136.51
$136.51
$136.51 - $136.51
$136.51

Low Voltage Thermostat Stages Heat 2 Heat Pump or 1 Conventional Stages Cool 1 Temp Settings per Day 4 2 Programs per Week 7 or 5-1-1 Terminal Desi...

View full Details
$136.51 - $136.51
$136.51
$136.51 - $136.51
$136.51
Line Volt NP Analog Tstat 1H White DPST

Line Volt NP Analog Tstat 1H White DPST

PRO1 IAQ
$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49

Line Volt Mechanical Tstat Thermostat Switch Type DPST Thermostat Control Range 50 Degrees to 90 Degrees F Thermostat Voltage 120 to 277V AC Full L...

View full Details
$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49
Line Volt NP Analog Tstat 1H White SPST

Line Volt NP Analog Tstat 1H White SPST

PRO1 IAQ
$54.28 - $54.28
$54.28
$54.28 - $54.28
$54.28

Line Volt Mechanical Tstat Thermostat Switch Type SPST Thermostat Control Range 50 Degrees to 90 Degrees F Thermostat Voltage 120 to 277V AC Full L...

View full Details
$54.28 - $54.28
$54.28
$54.28 - $54.28
$54.28
Low Volt NP Analog Tstat Heat/Cool Sq

Low Volt NP Analog Tstat Heat/Cool Sq

PRO1 IAQ
$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49

Low Voltage Thermostat Terminal Designations B G O RC RH W Y System Switching Heat-Cool-Off Fan Switching No Automatic Changeover No Dual Transform...

View full Details
$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49
Exhaust Fan Timer 9 A White 120 V

Exhaust Fan Timer 9 A White 120 V

BROAN
$68.30 - $68.30
$68.30
$68.30 - $68.30
$68.30

Exhaust Fan Timer Switch Type Push Button Switch Color White Includes 120V At 60Hz Max of 9 Amps Switch Countdown Timer Faceplate Not Included Stan...

View full Details
$68.30 - $68.30
$68.30
$68.30 - $68.30
$68.30
Speed Control 3 A Toggle/Touch Button

Speed Control 3 A Toggle/Touch Button

CANARM
$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49

Speed Control Switch Type Toggle and Touch Button Maximum Input Current 3 A Number of Switches or Dials 3 Reversible Reversible Plate Color White I...

View full Details
$57.49 - $57.49
$57.49
$57.49 - $57.49
$57.49
Wireless Low Volt Tstat H/C 90/44F Sq

Wireless Low Volt Tstat H/C 90/44F Sq

PRO1 IAQ
$329.04 - $329.04
$329.04
$329.04 - $329.04
$329.04

Wireless Low Voltage Thermostat Heat and Cool Automatic Electric Forced Air Furnaces Gas Forced Air Furnaces Heat Pump with Aux Push Button Dehumid...

View full Details
$329.04 - $329.04
$329.04
$329.04 - $329.04
$329.04
Low Volt Prog Tstat Heat/Cool 24V AC

Low Volt Prog Tstat Heat/Cool 24V AC

PRO1 IAQ
$273.60 - $273.60
$273.60
$273.60 - $273.60
$273.60

Low Voltage Thermostat Stages Heat 4 Heat Pump or 2 Conventional Stages Cool 2 Temp Settings per Day 4 2 Programs per Week 7 or 5-1-1 Terminal Desi...

View full Details
$273.60 - $273.60
$273.60
$273.60 - $273.60
$273.60
Hazardous Location Line Volt Mech Tstat

Hazardous Location Line Volt Mech Tstat

COLUMBUS ELECTRIC
$611.11 - $611.11
$611.11
$611.11 - $611.11
$611.11

Hazardous Location Line Volt Mech Tstat

$611.11 - $611.11
$611.11
$611.11 - $611.11
$611.11
Relay Pneumatic 110/120V 50/60Hz

Relay Pneumatic 110/120V 50/60Hz

HONEYWELL
$620.33 - $620.33
$620.33
$620.33 - $620.33
$620.33

Relay

$620.33 - $620.33
$620.33
$620.33 - $620.33
$620.33

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