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HVAC and Refrigeration

110 Results Found that Include 177 Products

Product availability based on selecting either shipping or pick up and a location. Dismiss
Results per page:  16 | 32 | 48
Room Sensor,Setpoint,Fahrenheit,White
Room Sensor,Series 1000,Logo,White
Controller,Receiver
  • SIEMENS
  • Controller, Receiver Controller,Receiver
  • Item # 4E686
  • Mfr. Model # 195-0011
  • Pneumatic Receiver Controller, Pressure Rating Operating 22, Maximum 30 PSI, Air Consumption 60 SCIM, Input...More

  • Category : Pneumatic Controllers
Filter Cartridge Kit
Cover, Thermostat,Thermometer Exposed
Room Sensor,Series 1000,Logo,Beige
Calibration/Wrench Kit
Solenoid Air Valve,3-Way,120VAC,1-20 psi
  • SIEMENS
  • Solenoid Air Valve, 3-Way, 120VAC, 1-20 psi Solenoid 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

  • Category : Pneumatic Valves
Airflow Switch,Auto Reset,SPDT
  • SIEMENS
  • Airflow Switch, Auto Reset, SPDT Airflow 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

  • Category : Duct Pressure Switches
Room Sensor,Setpoint,Fahrenheit,Beige
Room Sensor,Setpoint,Override,Beige
Solenoid Air Valve,3-Way,120VAC,0-50 psi
  • SIEMENS
  • Solenoid Air Valve, 3-Way, 120VAC, 0-50 psi Solenoid 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

  • Category : Pneumatic Valves
Controller,Receiver
  • SIEMENS
  • Controller, Receiver Controller,Receiver
  • Item # 4E685
  • Mfr. Model # 195-0003
  • Pneumatic Receiver Controller, Pressure Rating Operating 22, Maximum 30 PSI, Air Consumption 60 SCIM, Input...More

  • Category : Pneumatic Controllers
Positioning Switch
  • SIEMENS
  • Positioning Switch Positioning Switch
  • Item # 4E715
  • Mfr. Model # 141-0600
  • Pneumatic Positioning Switch, 0 to 30 PSI Pressure Range, Used to Deliver or Stop Compressed Air to Selected...More

  • Category : Pneumatic Electric Switches
Zone Valve,Globe, 1/2 in. NPT
  • SIEMENS
  • Zone Valve, Globe, 1/2 in. NPT Zone Valve,Globe, 1/2 in. NPT
  • Item # 25DW44
  • Mfr. Model # 257-02039
  • Zone Valve, Globe, Height (In.) 11, Width (In.) 4, Depth (In.) 1-1/2, 2.5, 45, 250, 0, Spring Return, For Use...More

  • Category : Zone Valves
Overload Relay,30A,3 Pole
Combustion Actuator
Zone Valve,Globe, 1/2 in. NPT
  • SIEMENS
  • Zone Valve, Globe, 1/2 in. NPT Zone Valve,Globe, 1/2 in. NPT
  • Item # 25DW40
  • Mfr. Model # 254-01115
  • Zone Valve, Globe, Height (In.) 13-1/8, Width (In.) 3-1/4, Depth (In.) 1-1/2, 0.4, 60, 250, 24, Terminal...More

  • Category : Zone Valves
Zone Valve,Globe,3/4 In NPT
  • SIEMENS
  • Zone Valve, Globe, 3/4 In NPT Zone Valve,Globe,3/4 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

  • Category : Zone Valves
Relative Humidity Duct Sensor,24VAC
  • SIEMENS
  • Relative Humidity Duct Sensor, 24VAC Relative 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

  • Category : Thermostat Accessories
Air Velocity Sensor,24VAC
  • SIEMENS
  • Air Velocity Sensor, 24VAC Air 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

  • Category : Thermostat Accessories
Zone Valve,Globe, 1/2 in. NPT
  • SIEMENS
  • Zone Valve, Globe, 1/2 in. NPT Zone Valve,Globe, 1/2 in. NPT
  • Item # 25DW45
  • Mfr. Model # 257-02042
  • Zone Valve, Globe, Height (In.) 4, Width (In.) 4, Depth (In.) 1-1/2, 4, 45, 250, 0, Spring Return, For Use...More

  • Category : Zone Valves
Reverse Acting Relay,Pneumatic,30 PSI
Room Sensor,Setpoint,Override,White
Pneu Temp Transmitter,DA,30 to 180F
  • SIEMENS
  • Pneu Temp Transmitter, DA, 30 to 180F Pneu 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

  • Category : Pneumatic Temperature Transmitters
Pneumatic T-Stat Cover,Beige
Threaded Globe Valve,3/4 In,24VAC,NO
Threaded Globe Valve,1/2 In,24VAC,NO
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