The Webasto Koolair PM500-230V is a completely submersible sealless centrifugal magnetic drive marine hvac pump. Model generates a maximum flow of 8.5 gallons per minute and furthermore a maximum head of 19 feet at 25 PSI. The PM500-230V is also ISO 8846 Marine Ignition Protected. 500 gallons/hr. Replaces old part number: 5011371A

Webasto KoolAir PM500 Marine Pump - 230V

The Koolair PM500-230 is a completely submersible sealless centrifugal magnetic drive marine hvac pump. Model generates a maximum flow of 8.5 gallons per minute and furthermore a maximum head of 19 feet at 25 PSI. The PM500-230 is also ISO 8846 Marine Ignition Protected. The PM500 is a magnetically driven pump with no shaft seal. The pump is epoxy encapsulated, which allows the PM pump to run fully submerged in many liquids or in open air for complete moisture protection. When re-assembling the pump for service, make sure all “O“ rings are properly seated.

Key Benefits

  • To withstand thermal overloads without failure, the pump has run dry protection. Finally when cooled, the pump will resume operating normally.
  • Polypropylene, Buna N and Ceramic Magnet make up the wet end materials exposed to liquids. When submerged, Epoxy, Stainless Steel, Polysulfone, and also the Cord will come in contact with the solution.
  • The inlet connection is a ¾” female pipe thread and the outlet is ½” male pipe thread.
  • Includes fully integrated, heavy duty marine base and also the original base in contrast to other pumps.
  • The motor is a 1 Phase 230V, .05 Horsepower motor, running on either 50 or 60 HZ.
  • The pump is not self-priming and requires flooded suction.
  • Maximum internal pressure is 25 PSI and the maximum liquid temperature is 130 Fahrenheit or 54 Celsius.
  • Pumps 500 gallons/hr

Performance Curve

Dimensions

Technical Specifications

ATTRIBUTE INFORMATION
Part Number 5011371B
Weight 8.5 lbs
Maximum Flow 8.5 GPM (31 LPM)
Maximum Head 19 Feet of Head @ 8.2 PSI
Maximum Internal Pressure 25 PSI
Maximum Liquid Temperature 130° F (54° C)
Inlet 3/4″ FPT
Outlet 1/2″ MPT
Hertz 50/60 Hz
Voltage 230 Volt
Phase Single Phase (1 PH)
Watts 120
Amps 1.0
Horsepower 1/20 HP
RPM 3450

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