Skip to content
HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 757

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

$
$
Ranco Heat Pump Reversing Valve

Ranco Heat Pump Reversing Valve

RANCO
$604.19 - $604.19
$604.19
$698.10
$698.10 - $698.10
$698.10

Ranco Heat Pump Reversing Valve

$604.19 - $604.19
$604.19
$698.10
$698.10 - $698.10
$698.10
Air Velocity Sensor 24VAC

Air Velocity Sensor 24VAC

SIEMENS
$272.83 - $272.83
$272.83
$272.83 - $272.83
$272.83

Air Velocity Sensor Includes Connection Cable Graduated Probe Mounting Flange Dampening Gasket Selectable Flow Ranges Input Voltage 24 Vac

$272.83 - $272.83
$272.83
$272.83 - $272.83
$272.83
Humidity Sensor Duct Mount Poly

Humidity Sensor Duct Mount Poly

SIEMENS
$205.16 - $205.16
$205.16
$205.16 - $205.16
$205.16

Humidity Sensor Display Type None Mounting Location Duct Mount Housing Material Polycarbonate Housing Color White Probe Length Not Applicable Tempe...

View full Details
$205.16 - $205.16
$205.16
$205.16 - $205.16
$205.16
CO2 Duct Sensor Analog 24V AC

CO2 Duct Sensor Analog 24V AC

SIEMENS
$506.60 - $506.60
$506.60
$506.60 - $506.60
$506.60

CO2 Duct Sensor Air Quality Measurement CO2 CO2 Accuracy +/-50 ppm + 2 Percent of MV Power Required 24V AC 15 to 35VDC Output 0 to 10V 0 to 5V 4 to...

View full Details
$506.60 - $506.60
$506.60
$506.60 - $506.60
$506.60
CO2 Room Sensor Digital 24V AC

CO2 Room Sensor Digital 24V AC

SIEMENS
$453.54 - $453.54
$453.54
$453.54 - $453.54
$453.54

CO2 Room Sensor Air Quality Measurement CO2 CO2 Accuracy +/-50 ppm + 2 Percent of MV Power Required 24V AC +/-20 Percent Output 0 to 10V 0 to 5V 4 ...

View full Details
$453.54 - $453.54
$453.54
$453.54 - $453.54
$453.54
Replacement Sensor For Use With 1TGD4

Replacement Sensor For Use With 1TGD4

PARAGON
$33.73 - $33.73
$33.73
$33.73 - $33.73
$33.73

Replacement Sensor Black

$33.73 - $33.73
$33.73
$33.73 - $33.73
$33.73
Low Volt NP Digital Tstat H and C Wired

Low Volt NP Digital Tstat H and C Wired

PRO1 IAQ
$268.44 - $268.44
$268.44
$268.44 - $268.44
$268.44

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

View full Details
$268.44 - $268.44
$268.44
$268.44 - $268.44
$268.44
Immersion Controller 100-240F SPST

Immersion Controller 100-240F SPST

HONEYWELL HOME
$307.23 - $307.23
$307.23
$307.23 - $307.23
$307.23

Immersion Controller Application High Limit Low Limit Maximum Control Temperature 240 Degrees F Minimum Control Temperature 100 Degrees F Different...

View full Details
$307.23 - $307.23
$307.23
$307.23 - $307.23
$307.23
Humidity Sensor Nickel 32-131 F

Humidity Sensor Nickel 32-131 F

JOHNSON CONTROLS
$222.60 - $222.60
$222.60
$222.60 - $222.60
$222.60

Humidity Sensor Display Type None Sensing Element Type Nickel Mounting Location Duct Mount Housing Material Plastic Housing Color Blue Probe Length...

View full Details
$222.60 - $222.60
$222.60
$222.60 - $222.60
$222.60
Cover Plate White 4 3/4x4 3/4in

Cover Plate White 4 3/4x4 3/4in

HONEYWELL HOME
$17.85 - $17.85
$17.85
$17.85 - $17.85
$17.85

Cover Plate White Compatible Brand and Series T812 TS812 Compatible Grainger Part Number 5AE54 Compatible Manufacturer Model Number T812A1002 Inclu...

View full Details
$17.85 - $17.85
$17.85
$17.85 - $17.85
$17.85
Low Volt NP Analog Tstat Heat Square

Low Volt NP Analog Tstat Heat Square

HONEYWELL HOME
$45.22 - $45.22
$45.22
$45.22 - $45.22
$45.22

Low Voltage Thermostat Terminal Designations R W System Switching No Fan Switching No Automatic Changeover No Dual Transformer Compatible No Power ...

View full Details
$45.22 - $45.22
$45.22
$45.22 - $45.22
$45.22
WiFi Tstat H/C 99/35F Rect White

WiFi Tstat H/C 99/35F Rect White

JOHNSON CONTROLS
$380.74 - $380.74
$380.74
$380.74 - $380.74
$380.74

WiFi Thermostat Heat and Cool Automatic Electric Forced Air Furnaces Gas Forced Air Furnaces Heat Pump with Aux Touch Screen Dehumidification Contr...

View full Details
$380.74 - $380.74
$380.74
$380.74 - $380.74
$380.74
Fan Coil Thermostat

Fan Coil Thermostat

PECO
$108.04 - $108.04
$108.04
$108.04 - $108.04
$108.04

Fan Coil Thermostat

$108.04 - $108.04
$108.04
$108.04 - $108.04
$108.04
Fan Coil Thermostat

Fan Coil Thermostat

PECO
$101.62 - $101.62
$101.62
$101.62 - $101.62
$101.62

Fan Coil Thermostat

$101.62 - $101.62
$101.62
$101.62 - $101.62
$101.62
Trane Compatible Zone Sensors

Trane Compatible Zone Sensors

PECO
$36.29 - $36.29
$36.29
$36.29 - $36.29
$36.29

Trane Compatible Zone Sensors

$36.29 - $36.29
$36.29
$36.29 - $36.29
$36.29
Outdoor Temp Sensor Platinum -40-158 F

Outdoor Temp Sensor Platinum -40-158 F

SIEMENS
$35.61 - $35.61
$35.61
$35.61 - $35.61
$35.61

Temperature Sensor Display Type None Sensing Element Type Platinum Output Not Applicable Housing Type Conduit Box Housing Material Plastic Housing ...

View full Details
$35.61 - $35.61
$35.61
$35.61 - $35.61
$35.61
Elct Wl/Ceil Htr Thrmostat 4-1/2 H 1Pole

Elct Wl/Ceil Htr Thrmostat 4-1/2 H 1Pole

MARKEL PRODUCTS
$160.91 - $160.91
$160.91
$160.91 - $160.91
$160.91

Electric Wall Ceiling Heater Thermostat 24 to 277V AC 2 1/4 in Overall Depth 4 1/2 in Overall Height 3/4 in Overall Width Number of Poles 1 24/277...

View full Details
$160.91 - $160.91
$160.91
$160.91 - $160.91
$160.91
Tstat Knob 7/8in dia For Shaft

Tstat Knob 7/8in dia For Shaft

TEMPCO
$11.49 - $11.49
$11.49
$11.49 - $11.49
$11.49

Thermostat Knob Compatible Grainger Part Number 4TCZ1 Compatible Manufacturer Model Number TEB30001 TEB30002 Overall Height 11/16 in Overall Width ...

View full Details
$11.49 - $11.49
$11.49
$11.49 - $11.49
$11.49
BACnet MS/TP Tstat Wireless Fan Coil

BACnet MS/TP Tstat Wireless Fan Coil

JOHNSON CONTROLS
$955.50 - $955.50
$955.50
$955.50 - $955.50
$955.50

BACnet MS/TP Tstat Wireless Fan Coil

$955.50 - $955.50
$955.50
$955.50 - $955.50
$955.50
Low Volt Tstat H/C 100/40F Rect White

Low Volt Tstat H/C 100/40F Rect White

JOHNSON CONTROLS
$444.59 - $444.59
$444.59
$444.59 - $444.59
$444.59

Low Voltage Thermostat Heat and Cool Automatic RTUs Touch Screen Dehumidification Control No Differential Type Adjustable Digital Dual Transformer ...

View full Details
$444.59 - $444.59
$444.59
$444.59 - $444.59
$444.59
Temperature Control 60 - 130deg.F

Temperature Control 60 - 130deg.F

JOHNSON CONTROLS
$401.16 - $401.16
$401.16
$401.16 - $401.16
$401.16

Temp Control 2-Stage 60/130 F 2SPDT

$401.16 - $401.16
$401.16
$401.16 - $401.16
$401.16
Remote-Bulb Control H/C 5in Bulb Length

Remote-Bulb Control H/C 5in Bulb Length

JOHNSON CONTROLS
$1,024.54 - $1,024.54
$1,024.54
$1,024.54 - $1,024.54
$1,024.54

Remote Bulb Temp Control 20/80 F

$1,024.54 - $1,024.54
$1,024.54
$1,024.54 - $1,024.54
$1,024.54
Remote Bulb Temp Control 30/180 F

Remote Bulb Temp Control 30/180 F

JOHNSON CONTROLS
$121.05 - $121.05
$121.05
$121.05 - $121.05
$121.05

Remote Bulb Temp Control 30/180 F

$121.05 - $121.05
$121.05
$121.05 - $121.05
$121.05
Remote Bulb Temp Control 200/550 F

Remote Bulb Temp Control 200/550 F

JOHNSON CONTROLS
$251.51 - $251.51
$251.51
$251.51 - $251.51
$251.51

Remote Bulb Temp Control 200/550 F

$251.51 - $251.51
$251.51
$251.51 - $251.51
$251.51

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