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Siemens PPE2.AA Differential Pressure Switch

List Price: $151.00  
($157.80 inc tax) You save: $7.55 (5%)
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The PPE Series is widely used as a proof of water flow device in chilled and heating water systems.
Used in commercial and industrial buildings. Compatible to all common HVAC DDC and Analog Controls systems. 
  • Pump status
  • Chiller vessel flow verification
  • Boiler pump flow verification
  • Water source heatpump condenser water flow verification


A SPDT contact closes when the differential pressure between inlet and outlet reaches the fixed upper setpoint and opens when the differential pressure reduces to the lower setpoint.



PPE2.AA Differential Pressure Switch, Fixed, Liquid, 1000kPa