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HVAC and Refrigeration

111 Results Found that Include 178 Products

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Results per page:  16 | 32 | 48
Room Sensor,Series 1000,Logo,Beige
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

Room Sensor,Setpoint,Override,Beige
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

Calibration/Wrench Kit
Room Sensor,Setpoint,Fahrenheit,Beige
Cover, Thermostat,Thermometer Exposed
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

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

Reverse Acting Relay,Pneumatic,30 PSI
  • SIEMENS
  • Reverse Acting Relay, Pneumatic, 30 PSI Reverse 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

Pneumatic Valve Actuator,10 to 15 Spring
  • SIEMENS
  • Pneumatic Valve Actuator, 10 to 15 Spring Pneumatic 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

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

Control Valve,Globe, 1/2 in. NPT
  • SIEMENS
  • Control Valve, Globe, 1/2 in. NPT Control Valve,Globe, 1/2 in. NPT
  • Item # 25DW68
  • Mfr. Model # 599-02034
  • Control Valve, Globe, Height (In.) 2-1/4, Width (In.) 2-6/8, Depth (In.) 1-5/16, 1, 250, For Use With Water,...More

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

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

Threaded Globe Valve,1/2 In,24VAC,NO
  • SIEMENS
  • Threaded Globe Valve, 1/2 In, 24VAC, NO Threaded 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

Gas Valve,1-1/2in
Overload Relay,30A,3 Pole
Bimetal Standard Trip Heater,Red
Zone Valve,Globe, 1/2 in. NPT
  • SIEMENS
  • Zone Valve, Globe, 1/2 in. NPT Zone Valve,Globe, 1/2 in. NPT
  • Item # 25DW53
  • Mfr. Model # 599-00210
  • Zone Valve, Globe, Height (In.) 1-5/8, Width (In.) 2-3/4, Depth (In.) 1, 1, 44, 230, For Use With Water, UL,...More

Zone Valve,Globe, 1/2 in. NPT
  • SIEMENS
  • Zone Valve, Globe, 1/2 in. NPT Zone Valve,Globe, 1/2 in. NPT
  • Item # 25DW54
  • Mfr. Model # 599-00211
  • Zone Valve, Globe, Height (In.) 1-5/8, Width (In.) 2-3/4, Depth (In.) 1, 2.5, 44, 230, For Use With Water,...More

Zone Valve,Globe, 3/4 in. NPT
  • SIEMENS
  • Zone Valve, Globe, 3/4 in. NPT Zone 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

Zone Valve,Globe, 1/2 in. NPT
  • SIEMENS
  • Zone Valve, Globe, 1/2 in. NPT Zone Valve,Globe, 1/2 in. NPT
  • Item # 25DW52
  • Mfr. Model # 259-02041
  • Zone Valve, Globe, Height (In.) 5-3/4, Width (In.) 4-3/4, Depth (In.) 1-3/4, 4, 25, 15, 95, 230, 24, Terminal...More

Zone Valve,Globe, 1/2 in. NPT
  • SIEMENS
  • Zone Valve, Globe, 1/2 in. NPT Zone Valve,Globe, 1/2 in. NPT
  • Item # 25DW42
  • Mfr. Model # 254-01119
  • Zone Valve, Globe, Height (In.) 13-1/8, Width (In.) 3-1/4, Depth (In.) 1-1/2, 1, 60, 250, 24, Terminal Block,...More

Elec Pneumatic Transducer,19 to 26VAC
  • SIEMENS
  • Elec Pneumatic Transducer, 19 to 26VAC Elec Pneumatic Transducer,19 to 26VAC
  • Item # 40PN40
  • Mfr. Model # 545-208
  • Electronic Pneumatic Transducer, Voltage Input Type, Direct Acting and Reverse Acting, Max. Safe Air PSI 30,...More

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

Duct CO2 Sensor,24VAC
  • SIEMENS
  • Duct CO2 Sensor, 24VAC Duct 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

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