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Please note that due to the festive season as well as the onset of Loadshedding orders may be slightly delayed in being dispatched but we are doing our best to get them out as soon as possible. We value your patience at this time.

We would like to thank everyone for their support throughout the year and wish you all a wonderful festive season and a happy new year. Please note we will be closed from Friday 21st December 2018 at 12h00 and re-open on Monday 9th January 2019 at 09h00. We will not be processing any further orders after 12h00 on Friday 14th December 2018. Any orders placed after this date will only be processed in the new year. There will be limited availability on all products from Monday 10th December 2018.

Wilo Star RS 25/6 RG Electric Circulation Pump

Glandless circulation pump for pipe installation with manual 3-stage speed switch, with blocking-current proof motor.


  • Pump housing made from bronze, impeller made from glass reinforced plastic, stainless steel shaft with metal-impregnated carbon plain bearings.
  • Used as standard in cold-water systems up to -10°C, Hot-water Heating Systems of all kinds, Industrial Circulation Systems and Air-conditioning Systems.
  • Operational safety thanks to drilled-through shaft and filter unit in front of the cartridge.
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Excl. Tax: R 3,200.00 Incl. Tax: R 3,680.00

Product Description


Operating modes
Speed-stage switching.

Manual functions
Setting of speed stages (3 speed stages)


  • Wrench attachment point on pump body.
  • Cable lead-in possible on both sides.
  • Quick connection with spring clips.
  • Blocking current-proof motor.


  • Pump housing: Red brass (CC 499K) according to DIN 50930-6 in accordance with Drinking Water Ordinance.
  • Impeller: Plastic (PP - 40% GF).
  • Pump shaft: Stainless steel (X40Cr13).
  • Bearing: Carbon, metal impregnated.

Operating data

  • Fluid to be pumped: Water 100 %.
  • Fluid temperature: 20 °C.
  • Min. fluid temperature: -10 °C.
  • Max. fluid temperature: 110 °C.
  • Maximum operating pressure: 10 bar.
  • Minimum suction head at 50 °C / 95 °C / 110 °C: 0,5 m / 3 m / 10 m.
  • Nominal delivery head [m] at Q = 0 m3/ h: 6m.
  • Nominal connection diameter Rp: 25 mm.


  • Electromagnetic compatibility: EN 61800-3.
  • Emitted interference: EN 61000-6-3.
  • Interference resistance: EN 61000-6-2.
  • Mains connection: 1~230V/50 Hz.
  • Power consumption P1: 0,03 kW ... 0,084 kW.
  • Max. speed: 2510 1/min ... 2840 1/min.
  • Current consumption: 0,2 A ... 0,36 A.
  • Protection class: IP 44.
  • Threaded cable connection: PG 1x11.

Fitting dimensions

  • Pipe connection: G 1½ PN 10.
  • Overall length: 180 mm.
  • Weight approx.: 2,8 kg.
  • Type: Star-RS 25/6-RG PN 10.

Additional Information

Additional Information

Disclaimer Please note that stock availability is subject to prior sales. Prices exclude delivery. The image serves as an example of what the product looks like and may differ slightly in appearance.
Guarantee/ Warranty 12 month product warranty
Pump Watts 300W
Type Circulation
Amp Rating 2A
Voltage 220 - 240V AC


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