Skip to content
HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 3026

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

$
$
Thermostat Push Button 24 to 30V AC

Thermostat Push Button 24 to 30V AC

JOHNSON CONTROLS
$198.92 - $198.92
$198.92
$198.92 - $198.92
$198.92

Thermostat

$198.92 - $198.92
$198.92
$198.92 - $198.92
$198.92
Relay Expansion Module 24V AC 5 in H

Relay Expansion Module 24V AC 5 in H

JOHNSON CONTROLS
$250.37 - $250.37
$250.37
$250.37 - $250.37
$250.37

Temperature Control

$250.37 - $250.37
$250.37
$250.37 - $250.37
$250.37
Temperature Sensor Nickel 32-131 F

Temperature Sensor Nickel 32-131 F

JOHNSON CONTROLS
$482.89 - $482.89
$482.89
$482.89 - $482.89
$482.89

Temperature Sensor Display Type None Sensing Element Type Nickel Mounting Location Duct Mount Housing Material Plastic Housing Color White Probe Le...

View full Details
$482.89 - $482.89
$482.89
$482.89 - $482.89
$482.89
Switch Relay 120VAC 208/240VAC 24VAC

Switch Relay 120VAC 208/240VAC 24VAC

WHITE-RODGERS
$97.87 - $97.87
$97.87
$97.87 - $97.87
$97.87

Emerson 49P11-843 Sure Switch Relay

$97.87 - $97.87
$97.87
$97.87 - $97.87
$97.87
Building Automation Control

Building Automation Control

QMARK
$523.25 - $523.25
$523.25
$523.25 - $523.25
$523.25

Building Automation Control Includes Anchors Backplate Screws Features Comes with BACnet MS/TP BMS Compatibility 7 Day Scheduling Cooling Mode (Fan...

View full Details
$523.25 - $523.25
$523.25
$523.25 - $523.25
$523.25
Low Voltage Thermostat Surface Mount

Low Voltage Thermostat Surface Mount

PRO1 IAQ
$353.24 - $353.24
$353.24
$353.24 - $353.24
$353.24

Low Voltage Thermostat Terminal Designations B C G O RC Rh W/E W2 Y Y2 Display Type Digital Key Pad Lockout No Humidification Control Yes Dehumidif...

View full Details
$353.24 - $353.24
$353.24
$353.24 - $353.24
$353.24
Router Type BACnet

Router Type BACnet

METZ CONNECT
$479.59 - $479.59
$479.59
$479.59 - $479.59
$479.59

BACnet Router Product Type BACnet Router Compatible with Brand METZ Connect Application Bidirectional Data Exchange for BACnet/IP and BACnet MS/TP ...

View full Details
$479.59 - $479.59
$479.59
$479.59 - $479.59
$479.59
Network Interface

Network Interface

METZ CONNECT
$616.95 - $616.95
$616.95
$616.95 - $616.95
$616.95

Network Interface Product Type Network Interface Compatible with Brand LNS LonScanner OpenLDV Application LNS and OpenLDV Link Powered Channels Ove...

View full Details
$616.95 - $616.95
$616.95
$616.95 - $616.95
$616.95
Pneumatic Control Blue 9V

Pneumatic Control Blue 9V

JOHNSON CONTROLS
$3,912.19 - $3,912.19
$3,912.19
$3,912.19 - $3,912.19
$3,912.19

Gateway Air Flow Not Applicable Color Blue Compatible Grainger Part Number 793K24 793K25 793K26 793K27 793K28 793K29 793K30 793K31 793K32 793K33 Co...

View full Details
$3,912.19 - $3,912.19
$3,912.19
$3,912.19 - $3,912.19
$3,912.19
Pneumatic Control Digital White 25 psi

Pneumatic Control Digital White 25 psi

JOHNSON CONTROLS
$1,328.80 - $1,328.80
$1,328.80
$1,328.80 - $1,328.80
$1,328.80

Thermostat digital pneumatic summer/winter two pipe reverse acting on low pressure Voltage 100 VAC to 240 VAC 50/60Hz

$1,328.80 - $1,328.80
$1,328.80
$1,328.80 - $1,328.80
$1,328.80
Pneumatic Control Digital White 25 psi

Pneumatic Control Digital White 25 psi

JOHNSON CONTROLS
$1,316.51 - $1,316.51
$1,316.51
$1,316.51 - $1,316.51
$1,316.51

Direct acting on low supply pressure direct acting on high supply pressure Voltage 100 VAC to 240 VAC 50/60Hz

$1,316.51 - $1,316.51
$1,316.51
$1,316.51 - $1,316.51
$1,316.51
Pneumatic Control Digital White 25 psi

Pneumatic Control Digital White 25 psi

JOHNSON CONTROLS
$1,290.94 - $1,290.94
$1,290.94
$1,290.94 - $1,290.94
$1,290.94

Thermostat digital pneumatic deadband two pipe direct acting Voltage 100 VAC to 240 VAC 50/60Hz

$1,290.94 - $1,290.94
$1,290.94
$1,290.94 - $1,290.94
$1,290.94
Single Pole Thermostat Kit 1 3/8 H

Single Pole Thermostat Kit 1 3/8 H

CADET
$73.85 - $73.85
$73.85
$73.85 - $73.85
$73.85

Single Pole Thermostat Kit

$73.85 - $73.85
$73.85
$73.85 - $73.85
$73.85
Smart Thermostat Black Plastic 4 1/2 H

Smart Thermostat Black Plastic 4 1/2 H

HONEYWELL
$720.66 - $720.66
$720.66
$720.66 - $720.66
$720.66

Smart Thermostat Minimum Temperature Control 99 Degrees F Maximum Temperature Control 40 Degrees F

$720.66 - $720.66
$720.66
$720.66 - $720.66
$720.66
Economizer Control LCD 30V AC

Economizer Control LCD 30V AC

HONEYWELL
$1,282.85 - $1,282.85
$1,282.85
$1,282.85 - $1,282.85
$1,282.85

Economizer Control Display Type LCD Compatible with Series Honeywell Series 72 Input Voltage 30V AC Current Rating 1.5 A 3.5 A Maximum Operating Te...

View full Details
$1,282.85 - $1,282.85
$1,282.85
$1,282.85 - $1,282.85
$1,282.85
Flame Sensor 5 1/4 L x 10 3/4 D 8.5 lb

Flame Sensor 5 1/4 L x 10 3/4 D 8.5 lb

FIREYE
$4,012.80 - $4,012.80
$4,012.80
$4,012.80 - $4,012.80
$4,012.80

Flame Sensor Probe Length Not Applicable Lead Length Not Applicable Electrical Connection Type Hardwired Product Type Flame Sensor For Fuel Type No...

View full Details
$4,012.80 - $4,012.80
$4,012.80
$4,012.80 - $4,012.80
$4,012.80
Exhaust Fan Timer 6 A White 120 V

Exhaust Fan Timer 6 A White 120 V

BROAN
$131.86 - $131.86
$131.86
$131.86 - $131.86
$131.86

Exhaust Fan Timer Switch Type Rocker Switch Color White Overall Height 2 3/4 in Overall Width 4 1/2 in Overall Depth 2 in Includes 120V At 60Hz Max...

View full Details
$131.86 - $131.86
$131.86
$131.86 - $131.86
$131.86
Network Sensor 5 in W Overall

Network Sensor 5 in W Overall

JOHNSON CONTROLS
$166.62 - $166.62
$166.62
$166.62 - $166.62
$166.62

Network Sensor

$166.62 - $166.62
$166.62
$166.62 - $166.62
$166.62
Dehumidistat 20-80% 115V AC SPST

Dehumidistat 20-80% 115V AC SPST

TJERNLUND
$85.16 - $85.16
$85.16
$85.16 - $85.16
$85.16

Dehumidistat Product Type Dehumidistat Dehumidifier Control Compatibility Dehumidifier Control Compatible Humidifier Control Compatibility Humidifi...

View full Details
$85.16 - $85.16
$85.16
$85.16 - $85.16
$85.16
Temperature Limit Controller SPST Auto

Temperature Limit Controller SPST Auto

APPROVED VENDOR
$6.21 - $6.21
$6.21
$6.21 - $6.21
$6.21

Temperature Limit Controller Application Limit Control Mounting Surface Mount Contact Form SPST Switch Action Open on Rise Reset Type Automatic Res...

View full Details
$6.21 - $6.21
$6.21
$6.21 - $6.21
$6.21
Modernization Kit

Modernization Kit

HONEYWELL
$735.26 - $735.26
$735.26
$735.26 - $735.26
$735.26

Modernization Kit Color White Compatible Brand and Series Honeywell Compatible Manufacturer Model Number TP971C Includes Black Spacer Rings Cover P...

View full Details
$735.26 - $735.26
$735.26
$735.26 - $735.26
$735.26
Heat Exch Braze Plate 50 gpm 435 psig

Heat Exch Braze Plate 50 gpm 435 psig

BELL GOSSETT
$2,268.68 - $2,268.68
$2,268.68
$2,268.68 - $2,268.68
$2,268.68

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Refrigerant 12 000 BtuH Total Surface Area 3.38 sq ft Overall Height 1...

View full Details
$2,268.68 - $2,268.68
$2,268.68
$2,268.68 - $2,268.68
$2,268.68
Heat Exch Braze Plate 2 000 000 BtuH

Heat Exch Braze Plate 2 000 000 BtuH

BELL GOSSETT
$11,127.35 - $11,127.35
$11,127.35
$11,127.35 - $11,127.35
$11,127.35

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 2 000 000 BtuH Heat Dissipation Capacity for Oil 360 000 BtuH To...

View full Details
$11,127.35 - $11,127.35
$11,127.35
$11,127.35 - $11,127.35
$11,127.35
Heat Exch Braze Plate 535 000 BtuH

Heat Exch Braze Plate 535 000 BtuH

BELL GOSSETT
$3,809.02 - $3,809.02
$3,809.02
$3,809.02 - $3,809.02
$3,809.02

Heat Exchanger Heat Exchanger Type Braze Plate Heat Dissipation Capacity for Water 535 000 BtuH Heat Dissipation Capacity for Oil 77 000 BtuH Total...

View full Details
$3,809.02 - $3,809.02
$3,809.02
$3,809.02 - $3,809.02
$3,809.02

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