Skip to content
HVAC Controls and Thermostats

HVAC Controls and Thermostats Total Products: 935

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

$
$
Ball Valve 2-Way 3/4 in NPT

Ball Valve 2-Way 3/4 in NPT

SIEMENS
$128.66 - $128.66
$128.66
$128.66 - $128.66
$128.66

HVAC Control Ball Valve Valve Only 2-Way Coefficient of Volume 25 Connection Type (F)NPT Connection Size 3/4 in Material Brass Stainless Steel Safe...

View full Details
$128.66 - $128.66
$128.66
$128.66 - $128.66
$128.66
Ball Valve 2-Way 1/2 in NPT

Ball Valve 2-Way 1/2 in NPT

SIEMENS
$97.15 - $97.15
$97.15
$97.15 - $97.15
$97.15

HVAC Control Ball Valve Valve Only 2-Way Coefficient of Volume 10 Connection Type (F)NPT Connection Size 1/2 in Material Brass Stainless Steel Safe...

View full Details
$97.15 - $97.15
$97.15
$97.15 - $97.15
$97.15
Ball Valve 2-Way 1/2 in NPT

Ball Valve 2-Way 1/2 in NPT

SIEMENS
$86.71 - $86.71
$86.71
$86.71 - $86.71
$86.71

HVAC Control Ball Valve Valve Only 2-Way Coefficient of Volume 1 Connection Type (F)NPT Connection Size 1/2 in Material Brass Stainless Steel Safe ...

View full Details
$86.71 - $86.71
$86.71
$86.71 - $86.71
$86.71
Control Valve Globe 1/2 in NPT

Control Valve Globe 1/2 in NPT

SIEMENS
$103.30 - $103.30
$103.30
$103.30 - $103.30
$103.30

Control Valve Globe Height (in) 2-15/16 Width (in) 2-3/4 Depth (in) 1-5/16 4 250 For Use With Water UL Connection Type/Size (in) (F)NPT 1/2 MT Seri...

View full Details
$103.30 - $103.30
$103.30
$103.30 - $103.30
$103.30
Control Valve Globe 1/2 in NPT

Control Valve Globe 1/2 in NPT

SIEMENS
$94.25 - $94.25
$94.25
$94.25 - $94.25
$94.25

Control Valve Globe Height (in) 2-1/4 Width (in) 2-6/8 Depth (in) 1-5/16 4 250 For Use With Water UL Connection Type/Size (in) (F)NPT 1/2 MT Series...

View full Details
$94.25 - $94.25
$94.25
$94.25 - $94.25
$94.25
Control Valve Globe 1/2 in NPT

Control Valve Globe 1/2 in NPT

SIEMENS
$86.29 - $86.29
$86.29
$86.29 - $86.29
$86.29

Control Valve Globe Height (in) 2-1/4 Width (in) 2-6/8 Depth (in) 1-5/16 4 250 For Use With Water UL Connection Type/Size (in) (F)NPT 1/2 MT Series...

View full Details
$86.29 - $86.29
$86.29
$86.29 - $86.29
$86.29
Control Valve Globe 1/2 in NPT

Control Valve Globe 1/2 in NPT

SIEMENS
$93.93 - $93.93
$93.93
$93.93 - $93.93
$93.93

Control Valve Globe Height (in) 2-1/4 Width (in) 4 Depth (in) 1-5/16 2.5 250 For Use With Water UL Connection Type/Size (in) (F)NPT 1/2 MT Series G...

View full Details
$93.93 - $93.93
$93.93
$93.93 - $93.93
$93.93

Control Valve Globe 1/2 in NPT

SIEMENS
$86.14 - $86.14
$86.14
$86.14 - $86.14
$86.14

Control Valve Globe Height (in) 2-1/4 Width (in) 2-6/8 Depth (in) 1-5/16 2.5 250 For Use With Water UL Connection Type/Size (in) (F)NPT 1/2 MT Seri...

View full Details
$86.14 - $86.14
$86.14
$86.14 - $86.14
$86.14
Control Valve Globe 1/2 in NPT

Control Valve Globe 1/2 in NPT

SIEMENS
$70.82 - $70.82
$70.82
$70.82 - $70.82
$70.82

Control Valve Globe Height (in) 2-1/4 Width (in) 2-6/8 Depth (in) 1-5/16 1.6 60 250 For Use With Water UL Connection Type/Size (in) (F)NPT 1/2 MZ S...

View full Details
$70.82 - $70.82
$70.82
$70.82 - $70.82
$70.82
Control Valve Globe 1/2 in NPT

Control Valve Globe 1/2 in NPT

SIEMENS
$72.31 - $72.31
$72.31
$72.31 - $72.31
$72.31

Control Valve Globe Height (in) 2-1/4 Width (in) 2-6/8 Depth (in) 1-5/16 1 60 250 For Use With Water UL Connection Type/Size (in) (F)NPT 1/2 MZ Ser...

View full Details
$72.31 - $72.31
$72.31
$72.31 - $72.31
$72.31
Control Valve Globe 1/2 in NPT

Control Valve Globe 1/2 in NPT

SIEMENS
$71.97 - $71.97
$71.97
$71.97 - $71.97
$71.97

Control Valve Globe Height (in) 2-1/4 Width (in) 2-6/8 Depth (in) 1-5/16 0.4 60 250 For Use With Water UL Connection Type/Size (in) (F)NPT 1/2 MZ S...

View full Details
$71.97 - $71.97
$71.97
$71.97 - $71.97
$71.97
Zone Valve Globe 1/2 in NPT

Zone Valve Globe 1/2 in NPT

SIEMENS
$44.45 - $44.45
$44.45
$44.45 - $44.45
$44.45

Zone Valve Globe Height (in) 1-5/8 Width (in) 2-3/4 Depth (in) 1 1 44 230 For Use With Water UL Connection Type/Size (in) (F)NPT 1/2 599 Series Zon...

View full Details
$44.45 - $44.45
$44.45
$44.45 - $44.45
$44.45
Zone Valve Globe 3/4 In NPT

Zone Valve Globe 3/4 In NPT

SIEMENS
$220.57 - $220.57
$220.57
$220.57 - $220.57
$220.57

Zone Valve Globe Height (In.) 11 Width (In.) 4 Depth (In.) 1-1/2 6.3 45 250 0 Spring Return For Use With Water Standard Pressure Closeoff 45 UL Con...

View full Details
$220.57 - $220.57
$220.57
$220.57 - $220.57
$220.57
Zone Valve Globe 1/2 in NPT

Zone Valve Globe 1/2 in NPT

SIEMENS
$190.00 - $190.00
$190.00
$190.00 - $190.00
$190.00

Zone Valve Globe Height (in) 4 Width (in) 4 Depth (in) 1-1/2 4 45 250 0 Spring Return For Use With Water Standard Pressure Closeoff 45 UL Connectio...

View full Details
$190.00 - $190.00
$190.00
$190.00 - $190.00
$190.00
Ball Valve 2-Way 1/2 in NPT

Ball Valve 2-Way 1/2 in NPT

SIEMENS
$170.84 - $170.84
$170.84
$170.84 - $170.84
$170.84

HVAC Control Ball Valve Actuator Included 2-Way Coefficient of Volume 1.6 Connection Type (F)NPT Connection Size 1/2 in Material Brass Stainless St...

View full Details
$170.84 - $170.84
$170.84
$170.84 - $170.84
$170.84
Ball Valve 2-Way 1/2 in NPT

Ball Valve 2-Way 1/2 in NPT

SIEMENS
$162.19 - $162.19
$162.19
$162.19 - $162.19
$162.19

HVAC Control Ball Valve Actuator Included 2-Way Coefficient of Volume 0.63 Connection Type (F)NPT Connection Size 1/2 in Material Brass Stainless S...

View full Details
$162.19 - $162.19
$162.19
$162.19 - $162.19
$162.19
Ball Valve 2-Way 1/2 in NPT

Ball Valve 2-Way 1/2 in NPT

SIEMENS
$167.99 - $167.99
$167.99
$167.99 - $167.99
$167.99

HVAC Control Ball Valve Actuator Included 2-Way Coefficient of Volume 0.4 Connection Type (F)NPT Connection Size 1/2 in Material Brass Stainless St...

View full Details
$167.99 - $167.99
$167.99
$167.99 - $167.99
$167.99
Actuator Damper 160 in-lb 24V AC/DC

Actuator Damper 160 in-lb 24V AC/DC

SIEMENS
$497.97 - $497.97
$497.97
$497.97 - $497.97
$497.97

Actuator Valve Application Damper Signal Type Proportional Rated Torque 160 in-lb Input Voltage 24V AC/DC Output Signal 0 to 10V DC Contact Form SP...

View full Details
$497.97 - $497.97
$497.97
$497.97 - $497.97
$497.97
11.5 H 8 W 3 Zone Cntrl Kit 2Cool 2Heat

11.5 H 8 W 3 Zone Cntrl Kit 2Cool 2Heat

HONEYWELL
$525.28 - $525.28
$525.28
$525.28 - $525.28
$525.28

Control Kit Overall Height 11 1/2 in Overall Width 8 in Requires Thermostat Type 2 Heat 2 Cool Terminal Designations C G L M1 M4 M6 O/B R Rc W W1/E...

View full Details
$525.28 - $525.28
$525.28
$525.28 - $525.28
$525.28
Two-Way Globe Valve 1/2 In NPT 1.16 Cv

Two-Way Globe Valve 1/2 In NPT 1.16 Cv

HONEYWELL
$468.55 - $468.55
$468.55
$468.55 - $468.55
$468.55

Two-Way Globe Valve 1/2 In NPT 1.16 Cv

$468.55 - $468.55
$468.55
$468.55 - $468.55
$468.55
5000 Series Sweat Sz ID 3/4In

5000 Series Sweat Sz ID 3/4In

HONEYWELL
$261.42 - $261.42
$261.42
$261.42 - $261.42
$261.42

Sweat Sz ID 3/4In 5000 Series

$261.42 - $261.42
$261.42
$261.42 - $261.42
$261.42
Three-Way 3/4 In NPT Valve 4.9 Cv

Three-Way 3/4 In NPT Valve 4.9 Cv

HONEYWELL
$213.42 - $213.42
$213.42
$213.42 - $213.42
$213.42

Threaded Globe Valve 3-Way Cartridge Height (In.) 3 15/32 in Width (In.) 1 in Depth (In.) 3 1/2 in 2.9 40.5 - 240 36 to 248 - - - For Use With Wate...

View full Details
$213.42 - $213.42
$213.42
$213.42 - $213.42
$213.42
Zone Valve Flare Sz ID 1/2In

Zone Valve Flare Sz ID 1/2In

HONEYWELL
$201.88 - $201.88
$201.88
$201.88 - $201.88
$201.88

Zone Valve Flare Sz ID 1/2In

$201.88 - $201.88
$201.88
$201.88 - $201.88
$201.88
Three-Way Sweat Valve 1/2 In 1.9 Cv

Three-Way Sweat Valve 1/2 In 1.9 Cv

HONEYWELL
$161.92 - $161.92
$161.92
$161.92 - $161.92
$161.92

Three-Way Sweat Valve 1/2 In 1.9 Cv

$161.92 - $161.92
$161.92
$161.92 - $161.92
$161.92

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