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

$
$
Tstat Guard Plastic 9 5/8x7 3/16x3 3/8in

Tstat Guard Plastic 9 5/8x7 3/16x3 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
Speed Control 120V AC SPST 1.5 A

Speed Control 120V AC SPST 1.5 A

LUTRON
$27.79 - $27.79
$27.79
$27.79 - $27.79
$27.79

Speed Control Switch Type Dial Contact Form SPST Input Voltage 120V AC Maximum Input Current 1.5 A Number of Switches or Dials 1 Plate Material Pla...

View full Details
$27.79 - $27.79
$27.79
$27.79 - $27.79
$27.79
Steam Trap 450 psi 400F 3 in L

Steam Trap 450 psi 400F 3 in L

NICHOLSON
$753.46 - $753.46
$753.46
$753.46 - $753.46
$753.46

Steam Trap (F)NPT Connections 3/4 in Max Operating PSI 450 psi End to End Length 3 in Condensate Capacity Lbs/Hr 5 900 lb/hr Max Temp 400 Degrees F...

View full Details
$753.46 - $753.46
$753.46
$753.46 - $753.46
$753.46
Universal Mount Steam Trap 450 psi 600F

Universal Mount Steam Trap 450 psi 600F

SPENCE
$625.25 - $625.25
$625.25
$625.25 - $625.25
$625.25

Steam Trap Max Operating PSI 450 psi End to End Length 2 13/16 in Condensate Capacity Lbs/Hr 4 600 lb/hr Max Temp 600 Degrees F Type Steam Trap (No...

View full Details
$625.25 - $625.25
$625.25
$625.25 - $625.25
$625.25
Steam Trap 450F Cast Iron 0 to 130 psi

Steam Trap 450F Cast Iron 0 to 130 psi

SPENCE
$2,096.27 - $2,096.27
$2,096.27
$2,096.27 - $2,096.27
$2,096.27

Steam Trap (F)NPT Connections 1 1/2 in Max Operating PSI 130 psi End to End Length 10 1/4 in Condensate Capacity Lbs/Hr 11 000 lb/hr Max Temp 450 D...

View full Details
$2,096.27 - $2,096.27
$2,096.27
$2,096.27 - $2,096.27
$2,096.27
Steam Trap 450F Cast Iron 0 to 20 psi

Steam Trap 450F Cast Iron 0 to 20 psi

SPENCE
$328.03 - $328.03
$328.03
$328.03 - $328.03
$328.03

Steam Trap (F)NPT Connections 3/4 in Max Operating PSI 20 psi End to End Length 5 1/16 in Condensate Capacity Lbs/Hr 690 lb/hr Max Temp 450 Degrees...

View full Details
$328.03 - $328.03
$328.03
$328.03 - $328.03
$328.03
Steam Trap 450F Cast Iron 0 to 125 psi

Steam Trap 450F Cast Iron 0 to 125 psi

SPENCE
$328.03 - $328.03
$328.03
$328.03 - $328.03
$328.03

Steam Trap (F)NPT Connections 1/2 in Max Operating PSI 125 psi End to End Length 5 1/16 in Condensate Capacity Lbs/Hr 680 lb/hr Max Temp 450 Degree...

View full Details
$328.03 - $328.03
$328.03
$328.03 - $328.03
$328.03
Steam Trap 750F 316L Stainless Steel

Steam Trap 750F 316L Stainless Steel

NICHOLSON
$1,152.27 - $1,152.27
$1,152.27
$1,152.27 - $1,152.27
$1,152.27

Steam Trap (F)NPT Connections 1 in Max Operating PSI 650 psi End to End Length 4 3/8 in Condensate Capacity Lbs/Hr 6 625 lb/hr Max Temp 750 Degrees...

View full Details
$1,152.27 - $1,152.27
$1,152.27
$1,152.27 - $1,152.27
$1,152.27
Steam Trap 450F Cast Iron 0 to 125 psi

Steam Trap 450F Cast Iron 0 to 125 psi

NICHOLSON
$789.84 - $789.84
$789.84
$789.84 - $789.84
$789.84

Steam Trap (F)NPT Connections 1 1/2 in Max Operating PSI 125 psi End to End Length 8 1/2 in Condensate Capacity Lbs/Hr 4 500 lb/hr Max Temp 450 Deg...

View full Details
$789.84 - $789.84
$789.84
$789.84 - $789.84
$789.84
Steam Trap 450F Cast Iron 0 to 125 psi

Steam Trap 450F Cast Iron 0 to 125 psi

NICHOLSON
$458.68 - $458.68
$458.68
$458.68 - $458.68
$458.68

Steam Trap (F)NPT Connections 3/4 in Max Operating PSI 125 psi End to End Length 6 1/4 in Condensate Capacity Lbs/Hr 1 190 lb/hr Max Temp 450 Degre...

View full Details
$458.68 - $458.68
$458.68
$458.68 - $458.68
$458.68
Low Volt Prog Tstat Heat/Cool 5-2Program

Low Volt Prog Tstat Heat/Cool 5-2Program

HONEYWELL HOME
$113.88 - $113.88
$113.88
$113.88 - $113.88
$113.88

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

View full Details
$113.88 - $113.88
$113.88
$113.88 - $113.88
$113.88
Low Volt Prog Tstat Heat/Cool 5-2Program

Low Volt Prog Tstat Heat/Cool 5-2Program

HONEYWELL HOME
$190.30 - $190.30
$190.30
$190.30 - $190.30
$190.30

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

View full Details
$190.30 - $190.30
$190.30
$190.30 - $190.30
$190.30
Low Volt Prog Tstat Heat/Cool 5-2Program

Low Volt Prog Tstat Heat/Cool 5-2Program

HONEYWELL HOME
$240.36 - $240.36
$240.36
$240.36 - $240.36
$240.36

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

View full Details
$240.36 - $240.36
$240.36
$240.36 - $240.36
$240.36
Low Volt Prog Tstat Heat/Cool 20-30V AC

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

HONEYWELL HOME
$261.58 - $261.58
$261.58
$261.58 - $261.58
$261.58

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...

View full Details
$261.58 - $261.58
$261.58
$261.58 - $261.58
$261.58
Low Volt Tstat H/C 102/37F Sq White

Low Volt Tstat H/C 102/37F Sq White

HONEYWELL HOME
$218.56 - $218.56
$218.56
$218.56 - $218.56
$218.56

Low Voltage Thermostat Heat and Cool Automatic and Manual Electric Forced Air Furnaces Gas Forced Air Furnaces Heat Pump with Aux Touch Screen Dehu...

View full Details
$218.56 - $218.56
$218.56
$218.56 - $218.56
$218.56
Low Volt Tstat H/C 102/37F Sq White

Low Volt Tstat H/C 102/37F Sq White

HONEYWELL HOME
$322.61 - $322.61
$322.61
$322.61 - $322.61
$322.61

Low Voltage Thermostat Heat and Cool Automatic and Manual Electric Forced Air Furnaces Gas Forced Air Furnaces Heat Pump with Aux Touch Screen Dehu...

View full Details
$322.61 - $322.61
$322.61
$322.61 - $322.61
$322.61
Reset Volume Controller 15 to 30 psi

Reset Volume Controller 15 to 30 psi

KMC CONTROLS
$227.20 - $227.20
$227.20
$227.20 - $227.20
$227.20

Reset Volume Controller Thermostat Required for Cooling Direct/Reverse Acting Thermostat Required for Heating Direct/Reverse Acting Reset Start Poi...

View full Details
$227.20 - $227.20
$227.20
$227.20 - $227.20
$227.20
Reset Volume Controller 15 to 30 psi

Reset Volume Controller 15 to 30 psi

KMC CONTROLS
$190.71 - $190.71
$190.71
$190.71 - $190.71
$190.71

Reset Volume Controller Thermostat Required for Cooling Reverse Acting Thermostat Required for Heating Direct Acting Reset Start Point Factory Sett...

View full Details
$190.71 - $190.71
$190.71
$190.71 - $190.71
$190.71
Temp Control Dual Heat or Cool -50-221F

Temp Control Dual Heat or Cool -50-221F

RANCO BY FULL GAUGE
$214.69 - $214.69
$214.69
$214.69 - $214.69
$214.69

Temperature Control Temperature Control Function Heat or Cool Product Type Temperature Control Number of Stages Dual Contact Form DPDT NEMA Rating ...

View full Details
$214.69 - $214.69
$214.69
$214.69 - $214.69
$214.69
Temp Control Dual Heat or Cool -50-221F

Temp Control Dual Heat or Cool -50-221F

RANCO BY FULL GAUGE
$216.12 - $216.12
$216.12
$216.12 - $216.12
$216.12

Temperature Control Temperature Control Function Heat or Cool Product Type Temperature Control Number of Stages Dual Contact Form DPDT NEMA Rating ...

View full Details
$216.12 - $216.12
$216.12
$216.12 - $216.12
$216.12
Temp Control Dual Heat or Cool -50-392F

Temp Control Dual Heat or Cool -50-392F

RANCO BY FULL GAUGE
$225.93 - $225.93
$225.93
$225.93 - $225.93
$225.93

Temperature Control Temperature Control Function Heat or Cool Product Type Temperature Control Number of Stages Dual Contact Form DPDT NEMA Rating ...

View full Details
$225.93 - $225.93
$225.93
$225.93 - $225.93
$225.93
Temperature Sensor Platinum -22-266 F

Temperature Sensor Platinum -22-266 F

SIEMENS
$46.86 - $46.86
$46.86
$46.86 - $46.86
$46.86

Temperature Sensor Display Type None Sensing Element Type Platinum Output Not Applicable Housing Type Standard Housing Housing Material Plastic Hou...

View full Details
$46.86 - $46.86
$46.86
$46.86 - $46.86
$46.86
Outdoor Temperature Sensor 4 to 20 mA

Outdoor Temperature Sensor 4 to 20 mA

SIEMENS
$147.29 - $147.29
$147.29
$147.29 - $147.29
$147.29

Temperature Sensor Display Type None Output 4 to 20 mA Housing Type Conduit Box Housing Material Plastic Housing Color Gray Temperature Accuracy +/...

View full Details
$147.29 - $147.29
$147.29
$147.29 - $147.29
$147.29
Outdoor Temperature Sensor 0 to 10V DC

Outdoor Temperature Sensor 0 to 10V DC

SIEMENS
$147.29 - $147.29
$147.29
$147.29 - $147.29
$147.29

Temperature Sensor Display Type None Output 0 to 10V DC Housing Type Conduit Box Housing Material Plastic Housing Color Gray Probe Length Not Appli...

View full Details
$147.29 - $147.29
$147.29
$147.29 - $147.29
$147.29

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