Skip to content
HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 1170

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

$
$
Packing Kit For Use with Flare Valves

Packing Kit For Use with Flare Valves

JOHNSON CONTROLS
$121.69 - $121.69
$121.69
$121.69 - $121.69
$121.69

Packing Kit For Use with Flare Valves

$121.69 - $121.69
$121.69
$121.69 - $121.69
$121.69
Solenoid Air Valve 3-Way 277VAC 0-25 psi

Solenoid Air Valve 3-Way 277VAC 0-25 psi

JOHNSON CONTROLS
$603.98 - $603.98
$603.98
$603.98 - $603.98
$603.98

Solenoid Air Valve Normally Open/Normally Closed Control Air Pressure 0 to 25 psi 1/4 in Barb Air Connections Max Air Pressure 30 psi Height 3 1/4 ...

View full Details
$603.98 - $603.98
$603.98
$603.98 - $603.98
$603.98
Pneu Temp Transmitter DA 50 to 150F

Pneu Temp Transmitter DA 50 to 150F

JOHNSON CONTROLS
$632.30 - $632.30
$632.30
$632.30 - $632.30
$632.30

Pneumatic Temperature Transmitter Direct Acting Max Air Pressure 25 psi Max Ambient Temp 150 Degrees F Temp Control Range 50 Degrees to 150 Degrees...

View full Details
$632.30 - $632.30
$632.30
$632.30 - $632.30
$632.30
Pneumatic Tstat Heat/Cool 2Pipe High

Pneumatic Tstat Heat/Cool 2Pipe High

JOHNSON CONTROLS
$535.94 - $535.94
$535.94
$535.94 - $535.94
$535.94

Pneumatic Thermostat Direct Acting and Reverse Acting 2 Pipe Heating and Cooling Single Temperature Control Air Pressure 3 to 15 psi Air Connection...

View full Details
$535.94 - $535.94
$535.94
$535.94 - $535.94
$535.94
Pneumatic Low Limit Controller

Pneumatic Low Limit Controller

JOHNSON CONTROLS
$652.42 - $652.42
$652.42
$652.42 - $652.42
$652.42

Pneumatic Low Limit Controller Direct Acting Height (In.) 3 in Width (In.) 6 in Depth (In.) 2 in Air Consumption (SCFM) 0.2 scfm

$652.42 - $652.42
$652.42
$652.42 - $652.42
$652.42
Replacement Spring

Replacement Spring

JOHNSON CONTROLS
$18.42 - $18.42
$18.42
$18.42 - $18.42
$18.42

Replacement Spring

$18.42 - $18.42
$18.42
$18.42 - $18.42
$18.42
4-Way Bypass Valve For Use with A-4400

4-Way Bypass Valve For Use with A-4400

JOHNSON CONTROLS
$490.31 - $490.31
$490.31
$490.31 - $490.31
$490.31

4-Way Bypass Valve For Use with A-4400

$490.31 - $490.31
$490.31
$490.31 - $490.31
$490.31
Pneumatic Tstat Heat/Cool 2Pipe High

Pneumatic Tstat Heat/Cool 2Pipe High

JOHNSON CONTROLS
$559.24 - $559.24
$559.24
$559.24 - $559.24
$559.24

Pneumatic Thermostat Air Consumption 20 scim

$559.24 - $559.24
$559.24
$559.24 - $559.24
$559.24
Pneumatic Tstat Heat or Cool 1Pipe Low

Pneumatic Tstat Heat or Cool 1Pipe Low

JOHNSON CONTROLS
$282.35 - $282.35
$282.35
$282.35 - $282.35
$282.35

Pneumatic Thermostat Air Consumption 45 or 25 scim

$282.35 - $282.35
$282.35
$282.35 - $282.35
$282.35
Low V Mechanical Tstat 50 to 90F Brown

Low V Mechanical Tstat 50 to 90F Brown

JOHNSON CONTROLS
$201.97 - $201.97
$201.97
$201.97 - $201.97
$201.97

Low Voltage Thermostat Automatic Dehumidification Control No Dual Transformer Compatible No Humidification Control No Key Features Heat and Cold An...

View full Details
$201.97 - $201.97
$201.97
$201.97 - $201.97
$201.97
Control Snap Action 4 D

Control Snap Action 4 D

JOHNSON CONTROLS
$1,455.68 - $1,455.68
$1,455.68
$1,455.68 - $1,455.68
$1,455.68

CONTROL

$1,455.68 - $1,455.68
$1,455.68
$1,455.68 - $1,455.68
$1,455.68
Heater Element Non-Fused Electric

Heater Element Non-Fused Electric

CARRIER
$1,011.11 - $1,011.11
$1,011.11
$1,011.11 - $1,011.11
$1,011.11

Heater Element Non-Fused Electric

$1,011.11 - $1,011.11
$1,011.11
$1,011.11 - $1,011.11
$1,011.11
Boiler Control 120V Provel Purge

Boiler Control 120V Provel Purge

HONEYWELL
$9,190.78 - $9,190.78
$9,190.78
$9,190.78 - $9,190.78
$9,190.78

Boiler Control 120V Provel Purge

$9,190.78 - $9,190.78
$9,190.78
$9,190.78 - $9,190.78
$9,190.78
Battery 12V Rechargable

Battery 12V Rechargable

JOHNSON CONTROLS
$868.40 - $868.40
$868.40
$868.40 - $868.40
$868.40

Battery 12V Rechargable

$868.40 - $868.40
$868.40
$868.40 - $868.40
$868.40
Curcuit Breaker 100 AMP

Curcuit Breaker 100 AMP

SIEMENS
$18.61 - $18.61
$18.61
$18.61 - $18.61
$18.61

Curcuit Breaker 100 AMP

$18.61 - $18.61
$18.61
$18.61 - $18.61
$18.61
Air Flow Switch

Air Flow Switch

PATTERSON-KELLEY
$349.13 - $349.13
$349.13
$349.13 - $349.13
$349.13

Air Flow Switch

$349.13 - $349.13
$349.13
$349.13 - $349.13
$349.13
Draft Inducer Assembly 115V 3000

Draft Inducer Assembly 115V 3000

STERLING
$582.83 - $582.83
$582.83
$582.83 - $582.83
$582.83

Draft Inducer Assembly 115V 3000

$582.83 - $582.83
$582.83
$582.83 - $582.83
$582.83
Air Pressure Switch Fixed

Air Pressure Switch Fixed

CLEVELAND CONTROLS
$71.46 - $71.46
$71.46
$71.46 - $71.46
$71.46

Air Pressure Switch Pressure Setpoint Type Fixed Maximum Pressure Rating 14 in wc

$71.46 - $71.46
$71.46
$71.46 - $71.46
$71.46
Duct Sensor Holder No Box

Duct Sensor Holder No Box

JOHNSON CONTROLS
$72.71 - $72.71
$72.71
$72.71 - $72.71
$72.71

Duct Sensor Holder No Box Overall Height 2 7/16 in Overall Width 2 7/16 in Overall Depth 9 3/16 in Mounting Hole Center to Center Distance 1 1/2 in...

View full Details
$72.71 - $72.71
$72.71
$72.71 - $72.71
$72.71
Thermostatroom Stat-Day/Night-Dir.

Thermostatroom Stat-Day/Night-Dir.

JOHNSON CONTROLS
$622.25 - $622.25
$622.25
$622.25 - $622.25
$622.25

Thermostatroom Stat-Day/Night-Dir.

$622.25 - $622.25
$622.25
$622.25 - $622.25
$622.25
Tstat Cover Plastic White

Tstat Cover Plastic White

JOHNSON CONTROLS
$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20

Thermostat Cover Color White Compatible Brand and Series Johnson Controls T-4000 Compatible Grainger Part Number 38Y156 38Y157 38Y158 38Y159 Compat...

View full Details
$39.20 - $39.20
$39.20
$39.20 - $39.20
$39.20
Pressstagemod/2-50 Offset/Diff

Pressstagemod/2-50 Offset/Diff

JOHNSON CONTROLS
$287.79 - $287.79
$287.79
$287.79 - $287.79
$287.79

Pressstagemod/2-50 Offset/Diff Pressure Type Differential Maximum Differential Pressure Setting 50 psi Minimum Differential Pressure Setting 2 psi ...

View full Details
$287.79 - $287.79
$287.79
$287.79 - $287.79
$287.79
Press 8/70N.AmmondifN.Closhi 15N.Difset

Press 8/70N.AmmondifN.Closhi 15N.Difset

JOHNSON CONTROLS
$817.69 - $817.69
$817.69
$817.69 - $817.69
$817.69

Differential Pressure Control Contact Form SPST Switch Action Close on Rise Reset Type Low Side Manual Reset Type High Side Manual Pressure Connect...

View full Details
$817.69 - $817.69
$817.69
$817.69 - $817.69
$817.69
Press Open Point 12.75N. For Copeland

Press Open Point 12.75N. For Copeland

JOHNSON CONTROLS
$353.90 - $353.90
$353.90
$353.90 - $353.90
$353.90

Press Open Point 12.75N. For Copeland Electrical Connection Type Plug-In Overall Depth 3 3/8 in Compatible with Series P345/P445

$353.90 - $353.90
$353.90
$353.90 - $353.90
$353.90

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