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HVAC Controls

274 Results Found that Include 345 Products

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Results per page: 16 | 32 | 48
Pneumatic Transducer,2-10VDC,0-18 psi
  • HONEYWELL
  • Pneumatic Transducer, 2-10VDC, 0-18 psiPneumatic Transducer,2-10VDC,0-18 psi
  • Item # 3UC56
  • Mfr. Model # RP7517B1016
  • Electronic Pneumatic Transducer, Voltage Input Type, Max. Safe Air PSI 30, Control Air Pressure 0 to 18 psi,...More

Low V T-Stat,Stages Heat 2,Stages Cool 2
  • JOHNSON CONTROLS
  • Low V T-Stat, Stages Heat 2, Stages Cool 2Low V T-Stat,Stages Heat 2,Stages Cool 2
  • Item # 36P606
  • Mfr. Model # T600MSN-4
  • Low Voltage Thermostat, Stages Heat 2, Stages Cool 2, Terminal Designations...More

Low V T-Stat,Stages Heat 2,Stages Cool 2
  • ROBERTSHAW
  • Low V T-Stat, Stages Heat 2, Stages Cool 2Digital Thermostat, Digital Programmable Multi Stage H/C or HP
  • Item # 1TKG9
  • Mfr. Model # 300-229
  • Low Voltage Thermostat, Stages Heat 2, Stages Cool 2, Temp. Settings per Day 4, 2, Programs per Week 7,...More

Pneumatic Transducer,0-10 VDC,0.5-19 psi
  • JOHNSON CONTROLS
  • Pneumatic Transducer, 0-10 VDC, 0.5-19 psiPneumatic Transducer,0-10 VDC,0.5-19 psi
  • Item # 36P580
  • Mfr. Model # EP-8000-2
  • Electronic Pneumatic Transducer, Voltage Input Type, Direct Acting, Max. Safe Air PSI 25, Control Air...More

  • HONEYWELL
  • Gas ValveGas Valve
  • Multiple product options available

    Multiple product options available

Zone Valve Actuator,Proportional
  • JOHNSON CONTROLS
  • Zone Valve Actuator, ProportionalZone Valve Actuator,Proportional
  • Item # 41P362
  • Mfr. Model # JP23A000
  • Zone Valve Actuator, Type of Actuator Normally Open, Closeoff Pressure Type Standard, Signal Type...More

Line V Mechanical Tstat,Remote Bulb,DPST
  • DAYTON
  • Line V Mechanical Tstat, Remote Bulb, DPSTLine V Mechanical Tstat,Remote Bulb,DPST
  • Item # 6EDZ0
  • Mfr. Model # 6EDZ0
  • Line Voltage Thermostat, Heating, Switch Type DPST, Number of Switches 1, Control Range (F) 100 to 550,...More

Steam Trap,450F,Cast Iron,0 to 125 psi
  • NICHOLSON
  • Steam Trap, 450F, Cast Iron, 0 to 125 psiSteam Trap,450F,Cast Iron,0 to 125 psi
  • Item # 4DXE5
  • Mfr. Model # FTN-C5E9A
  • Steam Trap, Max. Operating PSI 125 psi, Max. Temp. 450 Degrees F, Body Material Cast Iron, Downstream PSI...More

Wireless Wifi Thermostat,7 Programmable
  • HONEYWELL
  • Wireless Wifi Thermostat, 7 ProgrammableWireless Wifi Thermostat,7 Programmable
  • Item # 30ZZ03
  • Mfr. Model # TH9320WF5003
  • Wireless Wifi Thermostat, Stages Heat 3 Heat Pump or 2 Conventional, Stages Cool 2, Temp. Settings per Day 4,...More

Dual Pressure Control,1/4 In Flare Nut
  • JOHNSON CONTROLS
  • Dual Pressure Control, 1/4 In Flare NutDual Pressure Control,1/4 In Flare Nut
  • Item # 4E043
  • Mfr. Model # P70MA-1E
  • Dual Pressure Control, Switch Type SPST, Low Pressure Range 20-100 PSIG, High Pressure Range 100-500 PSIG,...More

  • NICHOLSON
  • Steam TrapSteam Trap
  • Multiple product options available

    Multiple product options available

Oil Safety Control
  • JOHNSON CONTROLS
  • Oil Safety ControlOil Safety Control
  • Item # 4E044
  • Mfr. Model # P45NCA-12E
  • Lube Oil Safety Control, Electromechanical, Pressure Range (PSI) Fixed 9, Time Delay (Sec.) 120, Voltage...More

Heat Exchanger,10 Plates,0.0076 Gal/Chnl
  • BELL & GOSSETT
  • Heat Exchanger, 10 Plates, 0.0076 Gal/ChnlHeat Exchanger,10 Plates,0.0076 Gal/Chnl
  • Item # 2NXP9
  • Mfr. Model # BP400-10-LCA
  • Heat Exchanger, Brazed Plate, Max Btuh 60,000 Water To Water Application, 435 PSIG Design Pressure, Temp -40...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 # 1AYR6
  • Mfr. Model # TB7220U1012
  • Low Voltage Thermostat, Stages Heat 3, Stages Cool 2, Temp. Settings per Day 4, Programs per Week 7, Terminal...More

Line Volt Mechanical Tstat,120 to 277VAC
  • COLUMBUS ELECTRIC
  • Line Volt Mechanical Tstat, 120 to 277VACLine Volt Mechanical Tstat,120 to 277VAC
  • Item # 4PU50
  • Mfr. Model # EPETD8DJ
  • Hazardous Location Thermostat, Heating or Cooling, Switch Type DPDT, Control Range 50 to 90 F, Voltage...More

Solenoid Air Valve,3-Way,24VAC,0-25 psi
  • JOHNSON CONTROLS
  • Solenoid Air Valve, 3-Way, 24VAC, 0-25 psiSolenoid Air Valve,3-Way,24VAC,0-25 psi
  • Item # 13F615
  • Mfr. Model # V11HGA-100
  • Solenoid Air Valve, Normally Open/Normally Closed, Control Air Pressure 0 to 25 psi, 1/4 In. Barb Air...More

Zone Panel, 3 Zone,Output Amps 10 VA
  • HONEYWELL
  • Zone Panel, 3 Zone, Output Amps 10 VAZone Panel, 3 Zone,Output Amps 10 VA
  • Item # 2GYD6
  • Mfr. Model # HZ322
  • Zone Panel, 3 Zone Forced Air, Voltage 24 AC, Height 11 1/2 In., Width 8 In., Depth 2 In., Output Amps 10 VA,...More

Dual Pressure Control,36 In Capillary
  • JOHNSON CONTROLS
  • Dual Pressure Control, 36 In CapillaryDual Pressure Control,36 In Capillary
  • Item # 4E042
  • Mfr. Model # P70LB-1E
  • Dual Pressure Control, Switch Type SPST, Low Pressure Range 20-100 PSIG, High Pressure Range 100-500 PSIG,...More

Eliminator,Air And Gas
  • BELL & GOSSETT
  • Eliminator, Air And GasEliminator,Air And Gas
  • Item # 4NU83
  • Mfr. Model # 792
  • Air and Gas Eliminator for Liquid Systems, Cast Iron Body Material, NPT Inlet 3/4 in, NPT Outlet 1/2 in, NPT...More

Aquastat Controller,100 F - 240 F
  • HONEYWELL
  • Aquastat Controller, 100 F - 240 FAquastat Controller,100 F - 240 F
  • Item # 2GZN3
  • Mfr. Model # L4006E1117
  • Aquastat Controller, Break The Control Circuit, Height 8 5/8 In, Depth 2 1/8 In, Width 2 In, Temp Range 100 -...More

Electric Actuator,80 in.-lb.,4 SPDT
  • HONEYWELL
  • Electric Actuator, 80 in.-lb., 4 SPDTElectric Actuator,80 in.-lb.,4 SPDT
  • Item # 34GR12
  • Mfr. Model # MS4109F1010
  • Two-Position Actuator, Spring-Return, Shaft Type 1/2 In. Round, Torque (In.-Lbs.) 80, Stroke Deg. 95 +/-3,...More

Electric Actuator,62 in.-lb.,Modulating
  • SIEMENS
  • Electric Actuator, 62 in.-lb., ModulatingModulating Actuator
  • Item # 2UPH3
  • Mfr. Model # GMA161.1P
  • Actuator, Modulating, Spring-Return, Shaft Type Self-centering, Torque 62 In-Lbs, 90 Stroke Deg, Height 8 3/8...More

Controller,Pneumatic
  • HONEYWELL
  • Controller, PneumaticController,Pneumatic
  • Item # 3UC58
  • Mfr. Model # RP920A1033
  • Pneumatic Controller, Operating Range 17 to 30 PSI, Ambient Temperature Range 40 to 130 Degrees Fahrenheit,...More

Furnace Control Board
  • WHITE-RODGERS
  • Furnace Control BoardFurnace Control Board
  • Item # 44R199
  • Mfr. Model # 21D83M-843
  • Furnace Control Board, OEM Replacement, Input Voltage 24 VAC, CSA, For Use With Residential, Commercial HVAC...More

Gas Valve,Fast Opening,400,000 BtuH
  • WHITE-RODGERS
  • Gas Valve, Fast Opening, 400,000 BtuHGas Valve,Fast Opening,400,000 BtuH
  • Item # 1YRN7
  • Mfr. Model # 36H32-423
  • Gas Valve, Ignition Type Intermittent Pilot, Hot Surface Ignition, Direct Spark Ignition, BtuH Capacity...More

Line Voltage Thermostat,24 to 240VAC
  • HONEYWELL
  • Line Voltage Thermostat, 24 to 240VACTemperature Controller
  • Item # 2GZN8
  • Mfr. Model # T775B2032
  • Line Voltage Thermostat, Electronic Temperature Control, Switch Type 2 SPDT, Switch Action Open/Close on...More

Line V Mechanical Tstat,Remote Bulb,DPST
  • DAYTON
  • Line V Mechanical Tstat, Remote Bulb, DPSTLine V Mechanical Tstat,Remote Bulb,DPST
  • Item # 6EDY8
  • Mfr. Model # 6EDY8
  • Line Voltage Thermostat, Heating, Switch Type DPST, Number of Switches 1, Control Range (F) 0 to 100, Height...More

Steam Trap,400F,304L Stainless Steel
  • NICHOLSON
  • Steam Trap, 400F, 304L Stainless SteelSteam Trap,400F,304L Stainless Steel
  • Item # 36Y305
  • Mfr. Model # WT-1
  • Steam Trap, Max. Operating PSI 400 psi, Max. Temp. 400 Degrees F, Body Material 304L Stainless Steel, (F)NPT...More

Zone Damper,24 AC,H 12In,W 12In,D 4In
  • HONEYWELL
  • Zone Damper, 24 AC, H 12In, W 12In, D 4InZone Damper,24 AC,H 12In,W 12In,D 4In
  • Item # 2GYW4
  • Mfr. Model # ZD12X12
  • Zone Damper, Square Damper, Voltage 24 AC, Height 12 In, Width 12 In, Depth 4 In, Output Amps .32A,...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