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

$
$
Low Volt Prog Tstat Heat/Cool 18-30V AC

Low Volt Prog Tstat Heat/Cool 18-30V AC

HONEYWELL HOME
$884.75 - $884.75
$884.75
$884.75 - $884.75
$884.75

Wireless Thermostat Kit Stages Heat 4 Stages Cool 2 Temp Settings per Day 4 Programs per Week 7 Terminal Designations A A-L/A B C D G R RC RH S1 S2...

View full Details
$884.75 - $884.75
$884.75
$884.75 - $884.75
$884.75
Equip Interface Mod W/Duct Sensor Gray

Equip Interface Mod W/Duct Sensor Gray

HONEYWELL HOME
$173.11 - $173.11
$173.11
$173.11 - $173.11
$173.11

Equipment Interface Module Compatible Brand and Series Prestige RedLINK VisionPRO Compatible Manufacturer Model Number THX9421R5021 Function Contro...

View full Details
$173.11 - $173.11
$173.11
$173.11 - $173.11
$173.11
Low Volt Prog Tstat Heat/Cool 18-30V AC

Low Volt Prog Tstat Heat/Cool 18-30V AC

HONEYWELL HOME
$761.68 - $761.68
$761.68
$761.68 - $761.68
$761.68

Wireless Thermostat Stages Heat 4 Stages Cool 2 Temp Settings per Day 4 Programs per Week 7 Terminal Designations C R WiFi Capability No System Swi...

View full Details
$761.68 - $761.68
$761.68
$761.68 - $761.68
$761.68

Hot Surface Igniter Universal 120V AC

SUPCO
$28.87 - $28.87
$28.87
$28.87 - $28.87
$28.87

Hot Surface Igniter Product Type Hot Surface Igniter Replacement Type Universal Heating Element Material Silicon Carbide Electrical Connection Type...

View full Details
$28.87 - $28.87
$28.87
$28.87 - $28.87
$28.87
Repair Parts/Tools For Pneumatic Calib

Repair Parts/Tools For Pneumatic Calib

HONEYWELL
$1,005.21 - $1,005.21
$1,005.21
$1,005.21 - $1,005.21
$1,005.21

Repair Parts and Tools Compatible System Type Pneumatic Calibration Tool Kit Includes Flexible Latex Tubing In-Line Gage Tee Pressure Bulb Assembly...

View full Details
$1,005.21 - $1,005.21
$1,005.21
$1,005.21 - $1,005.21
$1,005.21
Immersion Controller 180-240F SPST

Immersion Controller 180-240F SPST

HONEYWELL HOME
$559.33 - $559.33
$559.33
$559.33 - $559.33
$559.33

Immersion Controller Application High Limit Maximum Control Temperature 240 Degrees F Minimum Control Temperature 180 Degrees F Differential Temper...

View full Details
$559.33 - $559.33
$559.33
$559.33 - $559.33
$559.33
Immersion Controller 180-240F SPST

Immersion Controller 180-240F SPST

HONEYWELL HOME
$625.49 - $625.49
$625.49
$625.49 - $625.49
$625.49

Immersion Controller Application High Limit Maximum Control Temperature 240 Degrees F Minimum Control Temperature 180 Degrees F Differential Temper...

View full Details
$625.49 - $625.49
$625.49
$625.49 - $625.49
$625.49
Immersion Controller 130-240F

Immersion Controller 130-240F

HONEYWELL HOME
$560.89 - $560.89
$560.89
$560.89 - $560.89
$560.89

Immersion Controller Application Circulator High Limit Low Limit Maximum Control Temperature 240 Degrees F Minimum Control Temperature 130 Degrees ...

View full Details
$560.89 - $560.89
$560.89
$560.89 - $560.89
$560.89
High/Low Limit Controller 110-220F

High/Low Limit Controller 110-220F

HONEYWELL HOME
$537.18 - $537.18
$537.18
$537.18 - $537.18
$537.18

High/Low Limit Controller Application High Limit Low Limit Maximum Control Temperature 220 Degrees F Minimum Control Temperature 110 Degrees F Diff...

View full Details
$537.18 - $537.18
$537.18
$537.18 - $537.18
$537.18
Steam Trap 250 psi 450F 5-1/2 in L

Steam Trap 250 psi 450F 5-1/2 in L

NICHOLSON
$1,545.08 - $1,545.08
$1,545.08
$1,545.08 - $1,545.08
$1,545.08

Steam Trap (F)NPT Connections 1 in Max Operating PSI 250 psi End to End Length 5 1/2 in Condensate Capacity Lbs/Hr 1 200 lb/hr Max Temp 450 Degrees...

View full Details
$1,545.08 - $1,545.08
$1,545.08
$1,545.08 - $1,545.08
$1,545.08
Steam Trap 150 psi 450F 5-1/2 in L

Steam Trap 150 psi 450F 5-1/2 in L

NICHOLSON
$1,599.32 - $1,599.32
$1,599.32
$1,599.32 - $1,599.32
$1,599.32

Steam Trap (F)NPT Connections 1 in Max Operating PSI 150 psi End to End Length 5 1/2 in Condensate Capacity Lbs/Hr 1 415 lb/hr Max Temp 450 Degrees...

View full Details
$1,599.32 - $1,599.32
$1,599.32
$1,599.32 - $1,599.32
$1,599.32
Steam Trap 100 psi 450F 5-1/2 in L

Steam Trap 100 psi 450F 5-1/2 in L

NICHOLSON
$1,388.78 - $1,388.78
$1,388.78
$1,388.78 - $1,388.78
$1,388.78

Steam Trap (F)NPT Connections 1 in Max Operating PSI 100 psi End to End Length 5 1/2 in Condensate Capacity Lbs/Hr 1 400 lb/hr Max Temp 450 Degrees...

View full Details
$1,388.78 - $1,388.78
$1,388.78
$1,388.78 - $1,388.78
$1,388.78
Steam Trap 20 psi 450F 5-1/2 in L

Steam Trap 20 psi 450F 5-1/2 in L

NICHOLSON
$1,660.21 - $1,660.21
$1,660.21
$1,660.21 - $1,660.21
$1,660.21

Steam Trap (F)NPT Connections 1 in Max Operating PSI 20 psi End to End Length 5 1/2 in Condensate Capacity Lbs/Hr 2 450 lb/hr Max Temp 450 Degrees ...

View full Details
$1,660.21 - $1,660.21
$1,660.21
$1,660.21 - $1,660.21
$1,660.21
Steam Trap 250 psi 450F 4-1/4 in L

Steam Trap 250 psi 450F 4-1/4 in L

NICHOLSON
$1,120.94 - $1,120.94
$1,120.94
$1,120.94 - $1,120.94
$1,120.94

Steam Trap (F)NPT Connections 3/4 in Max Operating PSI 250 psi End to End Length 4 1/4 in Condensate Capacity Lbs/Hr 500 lb/hr Max Temp 450 Degrees...

View full Details
$1,120.94 - $1,120.94
$1,120.94
$1,120.94 - $1,120.94
$1,120.94
Steam Trap 150 psi 450F 4-1/4 in L

Steam Trap 150 psi 450F 4-1/4 in L

NICHOLSON
$1,253.69 - $1,253.69
$1,253.69
$1,253.69 - $1,253.69
$1,253.69

Steam Trap (F)NPT Connections 3/4 in Max Operating PSI 150 psi End to End Length 4 1/4 in Condensate Capacity Lbs/Hr 590 lb/hr Max Temp 450 Degrees...

View full Details
$1,253.69 - $1,253.69
$1,253.69
$1,253.69 - $1,253.69
$1,253.69
Steam Trap 50 psi 450F 4-1/4 in L

Steam Trap 50 psi 450F 4-1/4 in L

NICHOLSON
$1,123.51 - $1,123.51
$1,123.51
$1,123.51 - $1,123.51
$1,123.51

Steam Trap (F)NPT Connections 3/4 in Max Operating PSI 50 psi End to End Length 4 1/4 in Condensate Capacity Lbs/Hr 1 400 lb/hr Max Temp 450 Degree...

View full Details
$1,123.51 - $1,123.51
$1,123.51
$1,123.51 - $1,123.51
$1,123.51
Steam Trap 20 psi 450F 4-1/4 in L

Steam Trap 20 psi 450F 4-1/4 in L

NICHOLSON
$1,158.39 - $1,158.39
$1,158.39
$1,158.39 - $1,158.39
$1,158.39

Steam Trap (F)NPT Connections 3/4 in Max Operating PSI 20 psi End to End Length 4 1/4 in Condensate Capacity Lbs/Hr 1 200 lb/hr Max Temp 450 Degree...

View full Details
$1,158.39 - $1,158.39
$1,158.39
$1,158.39 - $1,158.39
$1,158.39
Steam Trap 250 psi 450F 4-1/4 in L

Steam Trap 250 psi 450F 4-1/4 in L

NICHOLSON
$998.47 - $998.47
$998.47
$998.47 - $998.47
$998.47

Steam Trap (F)NPT Connections 1/2 in Max Operating PSI 250 psi End to End Length 4 1/4 in Condensate Capacity Lbs/Hr 500 lb/hr Max Temp 450 Degrees...

View full Details
$998.47 - $998.47
$998.47
$998.47 - $998.47
$998.47
Steam Trap 150 psi 450F 4-1/4 in L

Steam Trap 150 psi 450F 4-1/4 in L

NICHOLSON
$1,293.41 - $1,293.41
$1,293.41
$1,293.41 - $1,293.41
$1,293.41

Steam Trap (F)NPT Connections 1/2 in Max Operating PSI 150 psi End to End Length 4 1/4 in Condensate Capacity Lbs/Hr 590 lb/hr Max Temp 450 Degrees...

View full Details
$1,293.41 - $1,293.41
$1,293.41
$1,293.41 - $1,293.41
$1,293.41
Steam Trap 100 psi 450F 4-1/4 in L

Steam Trap 100 psi 450F 4-1/4 in L

NICHOLSON
$929.66 - $929.66
$929.66
$929.66 - $929.66
$929.66

Steam Trap (F)NPT Connections 1/2 in Max Operating PSI 100 psi End to End Length 4 1/4 in Condensate Capacity Lbs/Hr 710 lb/hr Max Temp 450 Degrees...

View full Details
$929.66 - $929.66
$929.66
$929.66 - $929.66
$929.66
Steam Trap 20 psi 450F 4-1/4 in L

Steam Trap 20 psi 450F 4-1/4 in L

NICHOLSON
$969.96 - $969.96
$969.96
$969.96 - $969.96
$969.96

Steam Trap (F)NPT Connections 1/2 in Max Operating PSI 20 psi End to End Length 4 1/4 in Condensate Capacity Lbs/Hr 1 200 lb/hr Max Temp 450 Degree...

View full Details
$969.96 - $969.96
$969.96
$969.96 - $969.96
$969.96
Steam Trap 200 psi 450F 8-1/2 in L

Steam Trap 200 psi 450F 8-1/2 in L

NICHOLSON
$1,054.28 - $1,054.28
$1,054.28
$1,054.28 - $1,054.28
$1,054.28

Steam Trap (F)NPT Connections 1 in Max Operating PSI 200 psi End to End Length 8 1/2 in Condensate Capacity Lbs/Hr 3 100 lb/hr Max Temp 450 Degrees...

View full Details
$1,054.28 - $1,054.28
$1,054.28
$1,054.28 - $1,054.28
$1,054.28
Steam Trap 145 psi 450F 5-1/16 in L

Steam Trap 145 psi 450F 5-1/16 in L

NICHOLSON
$787.29 - $787.29
$787.29
$787.29 - $787.29
$787.29

Steam Trap (F)NPT Connections 1 in Max Operating PSI 145 psi End to End Length 5 1/16 in Condensate Capacity Lbs/Hr 4 100 lb/hr Max Temp 450 Degree...

View full Details
$787.29 - $787.29
$787.29
$787.29 - $787.29
$787.29
Steam Trap 65 psi 450F 8-1/2 in L

Steam Trap 65 psi 450F 8-1/2 in L

NICHOLSON
$848.84 - $848.84
$848.84
$848.84 - $848.84
$848.84

Steam Trap (F)NPT Connections 1 in Max Operating PSI 65 psi End to End Length 8 1/2 in Condensate Capacity Lbs/Hr 5 200 lb/hr Max Temp 450 Degrees ...

View full Details
$848.84 - $848.84
$848.84
$848.84 - $848.84
$848.84

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