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Lorentz Solar Pool Pump PU1800 CS-37-1, UL, ID 3" - Item # 10-005590

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Solar Pool Pump – PS1800

PS1800 CS-37-1 Pool Pump System

 The more powerful solar powered pool pump for larger pools and spas
PS1800 CS-37-1 Solar Pool Pump System
Solar-operated Centrifugal Surface Pump Characteristics
  • Flow rate up to 32 m3/h
  • Excellent serviceability
  • Maintenance-free DC motor thanks to brushless technology
  • Excellent efficiency
  • Short Return on Investment (ROI) cycle
  • Lower Total Cost of Ownership (TCO)
  • Swimming pool water circulation through a filter system and thermal collectors
  • Pond management
  • Irrigation
  • Aquariums
  • Etc.


Pump End (PE) CS-37-1

  • Centrifugal pump with integrated strainer tank
  • Bellow mechanical seal is mounted on a plastic shaft protected sleeve
  • Motor/pump shaft has no contact with fluid
  • Total electric separation
  • Strainer capacity approx. 6L
  • Strainer basket mesh size approx. 3.2 x 2.6 mm
  • material used for pump end
    • pump casing, flange: PP GF 30
    • gland housing: PP TV 40
    • diffuser: PP GF 30
    • strainer basket: PP
    • impeller: PPO
    • lid: PC, transparent
    • mechanical seal: carbon / ceramic / NBR
    • bolts, nuts, washers: stainless steel (AISI 304)

Motor ECDRIVE 1800 CS

  • Brushless, maintenance-free DC motor
  • No electronics in the motor
  • Premium materials

Controller PS1800

  • Controlling of the pump system and monitoring of the operating states
  • Mounted at surface (no submerged electronic parts)
  • Two control inputs for well probe (dry running protection), float or pressure switches, remote control etc.
  • Automatic reset 20 minutes after well probe turns pump off
  • Protected against reverse polarity, overload and high temperature
  • Speed control, max. pump speed adjustable to reduce flow rate to approx. 30%
  • Solar operation: integrated MPPT (Maximum Power Point Tracking)
  • Battery operation: low voltage disconnect and restart after battery has recovered
  • Max. efficiency 92% (motor + controller)


2 years. Details according to warranty issued by LORENTZ.

Pump Specs

LORENTZ_Solar Pump – PS1800_CS-37-1

The UL Listing – UL Certification CS15,17,36,36
Met Laboratories, Inc.
Certification Record for Lorentz Surface Pumps – Models: PS150 CS, PS600 CS, PS1800 CS

Installation Manuals

Lorentz Solar Pool Pump Manual (PDF)
PS600 CS-15-1  & PS1800 CS-36-1

Lorentz Solar Pool Pump Manual (PDF)
PS600 CS-17-1  & PS1800 CS-37-1


Installation Manual

Lorentz_Solar Pool Pump Manual (PDF)


(Optional) Lorentz PP2000 AC PowerPackLorentz PP2000 AC Powerpack

AC/DC converter to power the PS1800 pump systems from a generator or utility power