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HVAC and Refrigeration

39 results found that include 53 products

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1/2 NPT 2-Way NO Globe Pneumatic Control Valve, 4
  • SIEMENS
  • Item # 2KGR2
  • Mfr. Model # 257-02041
  • Pneumatic Control Valve, Globe, Pipe (In.) 1/2 NPT, Valve Body Material Bronze, Width (In.) 4, Height (In.)...More

  • Category : Pneumatic Actuated Valves
Room Temperature Sensor,OLED,Plug
  • SIEMENS
  • Item # 48RH74
  • Mfr. Model # QAA2280.DWSC
  • Room Temperature Sensor, BACnet, Voltage 18 to 36 VDC or 24 VAC, Connection Plug, 18 to 36 VDC or 24 VAC...More

  • Category : Building Automation Controls
Pneu Temp Transmitter,DA,30 to 180F
  • SIEMENS
  • 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
Globe (F)NPT 1/2 Zone Valve, 0VAC, 2.5
  • SIEMENS
  • 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
Controller,Receiver
  • SIEMENS
  • Item # 4E686
  • Mfr. Model # 195-0011
  • Pneumatic Receiver Controller, Single Input, Control Type Input #1 DA, Input #2 RA, Operating Temp. Range (F)...More

  • Category : Pneumatic Controllers
Temp. Sensor,Outdoor,4 to 20mA
  • SIEMENS
  • Item # 52ZK90
  • Mfr. Model # QAC3171
  • Temperature Sensor, Outdoor, Connection Terminal Block, 4 to 20mA Outputs, 6-1/4 In. x 3-1/2 In. x 2-1/2 In.,...More

  • Category : Building Automation Controls
Valve Body,1/2in,2 and 3 Way
Normally Closed Zone Valve Actuator, Standard Closeoff Pressure&
20-1/2" x 4-3/4" x 20-1/2" Linear Pneum
Valve Body,1/2in NPT,2 and 3 Way
Normally Open (F)NPT 1/2 Threaded Globe Valve, 24
Globe (F)NPT 3/4 Zone Valve, 0VAC, 6.3
  • SIEMENS
  • 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
Normally Open (F)NPT 3/4 Threaded Globe Valve, 24
Normally Open (F)NPT 1/2 Threaded Globe Valve, 24
Hi Temperature Diaphragm,PK5
Pneu Temp Transmitter,DA,0 to 100F
  • SIEMENS
  • Item # 2KGR1
  • Mfr. Model # 184-0028
  • Pneumatic Temperature Transmitter, Direct Acting, Max. Air Pressure 30 psi, Max. Ambient Temp. 160 Degrees F,...More

  • Category : Pneumatic Temperature Transmitters
Valve,1/2" FxUM,N/O BRZ,1 CV,EQ Percent
Globe (F)NPT 1/2 Zone Valve, 24VAC, 1.6Cv, Termin
Globe (F)NPT 1/2 Zone Valve, 24VAC, 0.63Cv, Termi
Globe (F)NPT 1/2 Zone Valve, 24VAC, 0.63Cv, Termi
Globe (F)NPT 1/2 Zone Valve, 24VAC, 2.5Cv, Termin
Globe (F)NPT 1/2 Zone Valve, 24VAC, 1.6Cv, Termin
Globe (F)NPT 1/2 Zone Valve, 24VAC, 1Cv, Terminal
Globe (F)NPT 1/2 Zone Valve, 24VAC, 0.4Cv, Termin
Globe (F)NPT 1/2 Zone Valve, 24VAC, 0.4Cv, Termin
Globe (F)NPT 1/2 Zone Valve, 24VAC, 1Cv, Terminal
Globe (F)NPT 1/2 Zone Valve, 24VAC, 4Cv, Terminal
Pressure Signal Selector, Pneumatic Type
  • SIEMENS
  • Item # 2KGR6
  • Mfr. Model # 243-0019
  • Pressure Signal Selector, Pneumatic Type, Air Consumption 44 SCFM, Max Safe Air PSI 30, Max Safe Operating...More

  • Category : Pneumatic Electric Switches
Temp. Sensor,Outdoor,0 to 10V
  • SIEMENS
  • Item # 52ZK89
  • Mfr. Model # QAC3161
  • Temperature Sensor, Outdoor, Connection Terminal Block, 0 to 10V Outputs, 6-1/4 In. x 3-1/2 In. x 2-1/2 In.,...More

  • Category : Building Automation Controls
Results per page:  16 | 32 | 48

HVAC and Refrigeration jobs can be easier when you shop Grainger first! Get all the heating and air conditioning systems and supplies you need from one convenient source. Find gas, hydronic, oil-burning and portable electric heaters for winter and window fans, refrigeration and air conditioners for summer. Grainger's huge selection of exhaust fans, thermostats, filters and controls will help keep your facility running efficiently year-round.

Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More