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HVAC Controls

86 Results Found that Include 151 Products

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Results per page: 16 | 32 | 48
Room Sensor,Setpoint,Fahrenheit,White
Room Sensor,Series 1000,Logo,Beige
Room Sensor,Setpoint,Fahrenheit,Beige
Pneumatic T-Stat Cover,Beige
  • SIEMENS
  • Pneumatic T-Stat Cover, BeigePneumatic T-Stat Cover,Beige
  • Item # 4E679
  • Mfr. Model # 192-256
  • Pneumatic Thermostat Cover, Plastic, Height 3 1/4 In, Width 2 1/4 In, Depth 1 1/2 In, For Use With 190 Series...More

Calibration/Wrench Kit
Threaded Globe Valve,1/2 In,24VAC,NO
  • SIEMENS
  • Threaded Globe Valve, 1/2 In, 24VAC, NOThreaded Globe Valve,1/2 In,24VAC,NO
  • Item # 5GEC7
  • Mfr. Model # 259-02030
  • Threaded Globe Valve, Normally Open, Height 5 1/2 In., Width 4 3/4 In., Depth 2 In., Voltage 24VAC, For Use...More

Cover, Thermostat,Thermometer Exposed
Solenoid Air Valve,3-Way,120VAC,1-20 psi
  • SIEMENS
  • Solenoid Air Valve, 3-Way, 120VAC, 1-20 psiSolenoid Air Valve,3-Way,120VAC,1-20 psi
  • Item # 44C453
  • Mfr. Model # 265-1028
  • Solenoid Air Valve, Normally Closed, Control Air Pressure 1 to 20 psi, 1/4 In. Barb Air Connections, Max. Air...More

Solenoid Air Valve,3-Way,120VAC,0-50 psi
  • SIEMENS
  • Solenoid Air Valve, 3-Way, 120VAC, 0-50 psiSolenoid Air Valve,3-Way,120VAC,0-50 psi
  • Item # 4E725
  • Mfr. Model # 265-1022
  • Solenoid Air Valve, Normally Open/Normally Closed, Control Air Pressure 0 to 30 psi, 1/4 In. Barb Air...More

Reverse Acting Relay,Pneumatic,30 PSI
  • SIEMENS
  • Reverse Acting Relay, Pneumatic, 30 PSIReverse Acting Relay,Pneumatic,30 PSI
  • Item # 2KGR5
  • Mfr. Model # 243-0024
  • Reverse Acting Relay, Pneumatic, Pressure Range 30 PSI, 1/4 In Barb, Max Air Pressure 30 PSI, Capacity 29...More

Room Sensor,Series 1000,Logo,White
Controller,Receiver
  • SIEMENS
  • Controller, ReceiverController,Receiver
  • Item # 4E685
  • Mfr. Model # 195-0003
  • Pneumatic Receiver Controller, Pressure Rating Operating 22, Maximum 30 PSI, Air Consumption 60 SCIM, Input...More

Airflow Switch,Auto Reset,SPDT
  • SIEMENS
  • Airflow Switch, Auto Reset, SPDTAirflow Switch,Auto Reset,SPDT
  • Item # 2KGR4
  • Mfr. Model # 141-0574
  • Airflow Switch, Auto Reset, Differential 0.06 To 0.6 WC, SPDT Switch Type, Pressure Setting Range 0.05 To 1.0...More

Room Sensor,Setpoint,Override,Beige
Pneu Temp Transmitter,DA,30 to 180F
  • SIEMENS
  • Pneu Temp Transmitter, DA, 30 to 180FPneu Temp Transmitter,DA,30 to 180F
  • Item # 4E683
  • Mfr. Model # 356-0750
  • Pneumatic Temperature Transmitter, Direct Acting, Max. Air Pressure 30 psi, Max. Ambient Temp. 225 Degrees F,...More

Threaded Globe Valve,3/4 In,24VAC,NO
  • SIEMENS
  • Threaded Globe Valve, 3/4 In, 24VAC, NOThreaded Globe Valve,3/4 In,24VAC,NO
  • Item # 5GED4
  • Mfr. Model # 243-00212
  • Threaded Globe Valve, Normally Open, Height 4 1/4 In., Width 11 1/4 In., Depth 2 In., Voltage 24VAC, For Use...More

Threaded Globe Valve,1/2 In,24VAC,NO
  • SIEMENS
  • Threaded Globe Valve, 1/2 In, 24VAC, NOThreaded Globe Valve,1/2 In,24VAC,NO
  • Item # 5GED3
  • Mfr. Model # 243-00211
  • Threaded Globe Valve, Normally Open, Height 4 1/4 In., Width 11 1/4 In., Depth 2 In., Voltage 24VAC, For Use...More

Zone Valve,Globe, 3/4 in. NPT
  • SIEMENS
  • Zone Valve, Globe, 3/4 in. NPTZone Valve,Globe, 3/4 in. NPT
  • Item # 25DW55
  • Mfr. Model # 599-00212
  • Zone Valve, Globe, Height (In.) 1-49/64, Width (In.) 2-3/4, Depth (In.) 1, 4.1, 44, 230, For Use With Water,...More

Control Valve,Globe, 1/2 in. NPT
  • SIEMENS
  • Control Valve, Globe, 1/2 in. NPTControl Valve,Globe, 1/2 in. NPT
  • Item # 25DW76
  • Mfr. Model # 599-02069
  • Control Valve, Globe, Height (In.) 2-15/16, Width (In.) 2-3/4, Depth (In.) 1-5/16, 4, 250, For Use With...More

Zone Valve,Globe, 1/2 in. NPT
  • SIEMENS
  • Zone Valve, Globe, 1/2 in. NPTZone Valve,Globe, 1/2 in. NPT
  • Item # 25DW46
  • Mfr. Model # 257-02045
  • Zone Valve, Globe, Height (In.) 11, Width (In.) 4, Depth (In.) 1-1/2, 6.3, 45, 250, 0, Spring Return, For Use...More

Room Sensor,Fan Speed Switch,White
Air Velocity Sensor,24VAC
  • SIEMENS
  • Air Velocity Sensor, 24VACAir Velocity Sensor,24VAC
  • Item # 5WYF1
  • Mfr. Model # QVM62.1
  • Air Velocity Sensor, For Use With Modulating Fan Control, Color White, Height (In.) 1.75, Width (In.) 4.5,...More

Relative Humidity Duct Sensor,24VAC
  • SIEMENS
  • Relative Humidity Duct Sensor, 24VACRelative Humidity Duct Sensor,24VAC
  • Item # 5WYF0
  • Mfr. Model # QFM2100
  • Humidity Duct Sensor, For Use With 0 - 10Vdc Controller Inputs, Color White, Height (In.) 1.625, Width (In.)...More

Duct CO2 Sensor,24VAC
  • SIEMENS
  • Duct CO2 Sensor, 24VACDuct CO2 Sensor,24VAC
  • Item # 5WYE9
  • Mfr. Model # QPM2100
  • CO2 Duct Sensor, For Use With 0 - 10Vdc Controller Inputs, Color White, Height (In.) 1.625, Width (In.) 1.25,...More

Room Sensor,TEC,Beige
  • SIEMENS
  • Room Sensor, TEC, BeigeRoom Sensor,TEC,Beige
  • Item # 6RNT4
  • Mfr. Model # 540-650A
  • Room Temperature Sensor, Series 1000 TEC Sensor, Connection Plug In Terminal Port, Inputs 10K ohm Thermistor...More

Pneumatic Valve Actuator,10 to 15 Spring
  • SIEMENS
  • Pneumatic Valve Actuator, 10 to 15 SpringPneumatic Valve Actuator,10 to 15 Spring
  • Item # 25DW56
  • Mfr. Model # 599-01088
  • Pneumatic Valve Actuator, Operating PSI Range 3 to 8, 8 to 13, 10 to 15, Max. Air Pressure 35 psi, Stroke...More

Pneu Temp Transmitter,DA,0 to 100F
  • SIEMENS
  • Pneu Temp Transmitter, DA, 0 to 100FPneu Temp Transmitter,DA,0 to 100F
  • Item # 2KGR1
  • Mfr. Model # 184-0028
  • Pneumatic Temperature Transmitter, Direct Acting, Max. Air Pressure 30 psi, Max. Ambient Temp. 160 Degrees F,...More

Threaded Globe Valve,1/2 In,24VAC,NO
  • SIEMENS
  • Threaded Globe Valve, 1/2 In, 24VAC, NOThreaded Globe Valve,1/2 In,24VAC,NO
  • Item # 5GED0
  • Mfr. Model # 259-02036
  • Threaded Globe Valve, Normally Open, Height 5 1/2 In., Width 4 3/4 In., Depth 2 In., Voltage 24VAC, For Use...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