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Solar pump groups

Single solar station with WITA OEM4 15-60 PWM2 pump

A single solar pump group with the WITA OEM4 15-60 PWM2 circulating pump. It ensures and regulates the circulation of the solar fluid between the solar collectors and the tank. The group consists of a circulating pump as well as control and measuring devices, and can be used with both flat plate and vacuum solar collectors.

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Single solar station with WITA OEM4 15-60 PWM2 pump
Single solar station with WITA OEM4 15-60 PWM2 pump – inside view
WITA OEM4 15-60 PWM2
Pump type
1–6 / 2–14 l/min
Flow range
6 bar
Max. pressure
430 × 200 × 150 mm
Dimensions W × H × D

Key features

  • 6 bar pressure relief valve
  • Pressure gauge 0–10 bar
  • Thermometer 0–120 °C
  • Filling and emptying valves
  • EPP insulation

Design and equipment

  1. Pump and flow

    WITA OEM4 15-60 PWM2 circulating pump with a 130 mm installation length. The rotameter with solar system filling and emptying valves has two measuring ranges – 1–6 and 2–14 l/min.

  2. Valves and safety

    Ball valve with a 0–120 °C thermometer. A 6 bar pressure relief valve and a group with a 0–10 bar pressure gauge and an expansion vessel port.

  3. Materials and insulation

    Brass body, EPP insulation, EPDM sealing components. Medium – solar fluid only, a non-toxic glycol-water mixture with corrosion inhibitors.

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