Skip Content

Filter Results By

Applied Filters Clear All

Brand
Price
Shop By
Ratings

HVAC Controls

441 Results Found that Include 611 Products

Product availability based on selecting either shipping or pick up and a location. Dismiss
Results per page: 16 | 32 | 48
Fan/Limit Control
  • JOHNSON CONTROLS
  • Fan/Limit ControlFan/Limit Control
  • Item # 2E383
  • Mfr. Model # A25AN-1E
  • Warm Air Limit Control, Adjustable Temp, Manual Reset, Switch Action Open on Rise, SPST, Temp. Range (F) 25...More

  • ARMSTRONG INTERNATIONAL
  • Steam TrapSteam Trap
  • Multiple product options available

    Multiple product options available

Room Sensor,Setpoint,Fahrenheit,White
Line Voltage Thermostat,120 to 240VAC
  • RANCO
  • Line Voltage Thermostat, 120 to 240VACTemperature Control
  • Item # 3ZP86
  • Mfr. Model # ETC-241000-000
  • Line Voltage Thermostat, Electronic Temperature Control, Switch Type 2 SPDT, Switch Action Open/Close on...More

WiFi T-Stat,Stages Heat 3,Stages Cool 2
  • HONEYWELL
  • WiFi T-Stat, Stages Heat 3, Stages Cool 2WiFi T-Stat,Stages Heat 3,Stages Cool 2
  • Item # 36H115
  • Mfr. Model # TH8320WF1029
  • Low Voltage WiFi Thermostat, Stages Heat 3, Stages Cool 2, Temp. Settings per Day 4, Programs per Week 7 or...More

Electric Actuator,30 in.-lb.,2 SPDT
  • HONEYWELL
  • Electric Actuator, 30 in.-lb., 2 SPDTElectric Actuator,30 in.-lb.,2 SPDT
  • Item # 34GR10
  • Mfr. Model # MS4104F1010
  • Two-Position Actuator, Spring-Return, Shaft Type 1/2 In. Round, Torque (In.-Lbs.) 30, Stroke Deg. 95 +/-3,...More

Room Sensor,Setpoint,Fahrenheit,Beige
Low V T-Stat,Stages Heat 1,Stages Cool 1
  • HONEYWELL
  • Low V T-Stat, Stages Heat 1, Stages Cool 1Low V T-Stat,Stages Heat 1,Stages Cool 1
  • Item # 4NE58
  • Mfr. Model # TH8110U1003
  • Low Voltage Thermostat, Stages Heat 1, Stages Cool 1, Temp. Settings per Day 4, Programs per Week 7, Terminal...More

  • NICHOLSON
  • Steam TrapSteam Trap
  • Multiple product options available

    Multiple product options available

Solenoid Air Valve,120/240VAC,0-25 psi
  • JOHNSON CONTROLS
  • Solenoid Air Valve, 120/240VAC, 0-25 psiSolenoid Air Valve,120/240VAC,0-25 psi
  • Item # 38Y197
  • Mfr. Model # V11HAA-100
  • Solenoid Air Valve, Normally Open/Normally Closed, Control Air Pressure 0 to 25 psi, 1/4 In. Barb Air...More

Air Vent,Float,Max Operating PSI 150
  • BELL & GOSSETT
  • Air Vent, Float, Max Operating PSI 150Air Vent,Float,Max Operating PSI 150
  • Item # 2CMH7
  • Mfr. Model # 78
  • Air Vent, Float, Max Operating PSI 150, Cast Brass Body Material, NPT Connections 3/4 In NPTM In, NPT Inlet...More

Low V T-Stat,Stages Heat 3,Stages Cool 2
  • HONEYWELL
  • Low V T-Stat, Stages Heat 3, Stages Cool 2Low Voltage Thermostat, Touch Screen Programmable Multi Stage, H/C or HP
  • Item # 4NE59
  • Mfr. Model # TH8320R1003
  • Low Voltage Thermostat, Stages Heat 3, Stages Cool 2, Temp. Settings per Day 4, Programs per Week 7, Terminal...More

Globe Valve,2-Way,NO,1/2 In,Union Angle
  • JOHNSON CONTROLS
  • Globe Valve, 2-Way, NO, 1/2 In, Union AngleGlobe Valve,2-Way,NO,1/2 In,Union Angle
  • Item # 41P930
  • Mfr. Model # VG7551GT
  • Globe Valve, 2 Way, Brass Trim, Height (In.) 4-3/4, Width (In.) 5-5/16, Depth (In.) 3-7/16, Coefficient of...More

Valve,Pneumatic,1/2 In
  • SIEMENS
  • Valve, Pneumatic, 1/2 InValve,Pneumatic,1/2 In
  • Item # 6YC73
  • Mfr. Model # 258-02069
  • Pneumatic Valve, Valve Size 1/2 Inch, Coefficient of Volume 4, Maximum Pressure 15 PSI, Spring Range 8-13...More

Calibration Kit
  • HONEYWELL
  • Calibration KitCalibration Kit
  • Item # 3UC32
  • Mfr. Model # MQP800
  • Pneumatic Calibration Kit, Contains Pressure Bulb Assembly, 10 Feet of 11/32 Inch Outer Diameter x 5/32 Inch...More

  • WHITE-RODGERS
  • Mercury Flame SensorsMercury Flame Sensors
  • Multiple product options available

    Mercury Flame Sensors, Plug Type Three Pin, Sensor Length 48", and Includes Adapter Fittings; Varies by Plug-In Bulb Style

Dual Pressure Control,1/4 In Male Flare
  • JOHNSON CONTROLS
  • Dual Pressure Control, 1/4 In Male FlareDual Pressure Control,1/4 In Male Flare
  • Item # 4E888
  • Mfr. Model # P170LB-1E
  • Dual Pressure Control, Switch Type SPST, Low Pressure Range (PSIG) 20 to 100, High Pressure Range (PSIG) 100...More

Line V Mechanical Tstat,Remote Bulb,DPST
  • DAYTON
  • Line V Mechanical Tstat, Remote Bulb, DPSTLine V Mechanical Tstat,Remote Bulb,DPST
  • Item # 6EDY9
  • Mfr. Model # 6EDY9
  • Line Voltage Thermostat, Heating, Switch Type DPST, Number of Switches 1, Control Range (F) 60 to 250, Height...More

Speed Control,115/230 Volt
  • DAYTON
  • Speed Control, 115/230 VoltSpeed Control,115/230 Volt
  • Item # 43Y140
  • Mfr. Model # 43Y140
  • Speed Control, Remote Dial, Voltage 115/230, Max. Amps 0.5/0.25, Max. Wattage 50, Switch Color Black, Plate...More

VisionPro8000 WiFi Thermostat,3 Stages
  • HONEYWELL
  • VisionPro8000 WiFi Thermostat, 3 StagesVisionPro8000 WiFi Thermostat,3 Stages
  • Item # 36WH84
  • Mfr. Model # TH8321WF1001
  • WiFi Thermostat, Stages Heat 3, Stages Cool 2, Temp. Settings per Day 4, Programs per Week 7, Terminal...More

Monitor,Line Voltage
  • ICM
  • Monitor, Line VoltageMonitor,Line Voltage
  • Item # 3UW89
  • Mfr. Model # ICM400
  • Three Phase Line Voltage Monitor, Control Voltage 18-240 VAC, Normally Closed Output Current 10 Amps,...More

Ignition Module
  • HONEYWELL
  • Ignition ModuleIgnition Module
  • Item # 4CZ50
  • Mfr. Model # S8910U1000
  • Ignition Module, Hot Surface Ignition, Lead Length (In.) -, Electrical Connections 1/4 In. Quick Connect, -,...More

Monitor,Line Voltage
  • ICM
  • Monitor, Line VoltageMonitor,Line Voltage
  • Item # 3UW93
  • Mfr. Model # ICM450
  • Three Phase Line Voltage Monitor, Control Voltage 18-240 VAC, Normally Closed Output Current 10 Amps,...More

DSI Mod,Ignition Control,3 Trial,24 V
  • ROBERTSHAW
  • DSI Mod, Ignition Control, 3 Trial, 24 VDSI Mod,Ignition Control,3 Trial,24 V
  • Item # 1TGE1
  • Mfr. Model # 780-501
  • DSI Module, Direct Ignition Control, Electrical Connections 1/4 In Quick Connect, Voltage 24, Control Volts...More

Aquastat Controller,1 1/2 In Insulation
  • HONEYWELL
  • Aquastat Controller, 1 1/2 In InsulationAquastat Controller,1 1/2 In Insulation
  • Item # 2GZK8
  • Mfr. Model # L4006A1009
  • Aquastat Controller, High Limit Or Low Limit Control, Height 8 5/8 In, Depth 2 1/8 In, Width 2 In, Temp Range...More

Low V T-Stat,Stages Heat 3,Stages Cool 2
  • HONEYWELL
  • Low V T-Stat, Stages Heat 3, Stages Cool 2Low V T-Stat,Stages Heat 3,Stages Cool 2
  • Item # 34GR15
  • Mfr. Model # TH8321R1001
  • Low Voltage Thermostat, Stages Heat 3, Stages Cool 2, Temp. Settings per Day 4, Programs per Week 7 or...More

Valve,Pneumatic
  • HONEYWELL
  • Valve, PneumaticValve,Pneumatic
  • Item # 3UD20
  • Mfr. Model # VP526A1092
  • Pneumatic Valve, Body Pressure Rating 250 PSI, Coefficient of Volume 1.6, Maximum Safe Air Pressure 29 PSI,...More

Low V T-Stat,Stages Heat 1,Stages Cool 1
  • EMERSON CLIMATE
  • Low V T-Stat, Stages Heat 1, Stages Cool 1Low V T-Stat,Stages Heat 1,Stages Cool 1
  • Item # 1MBD8
  • Mfr. Model # 1F97-1277
  • Low Voltage Thermostat, Stages Heat 1, Stages Cool 1, Temp. Settings per Day 4, 2, 0, Programs per Week...More

Valve,Pneumatic
  • HONEYWELL
  • Valve, PneumaticValve,Pneumatic
  • Item # 3UD21
  • Mfr. Model # VP527A1034
  • Actuated Pneumatic Valve, Body Pressure Rating 250 PSI, Coefficient of Volume 1.6, Maximum Safe Air Pressure...More

RedLink Internet Gateway
  • HONEYWELL
  • RedLink Internet GatewayRedLink Internet Gateway
  • Item # 12Z044
  • Mfr. Model # THM6000R1002
  • RedLink Internet Gateway, Redlink Enabled Wireless, For Use With RedLink Enabled Thermostats And Accessories,...More

Results per page: 16 | 32 | 48
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More