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Solar pump station

A unit containing all the mechanical fittings required for a solar collector antifreeze system. With its use, pipe installation work is limited to the connection of three units: solar collector, heat exchanger, solar collector station.

We usually deliver a better version from a solar collector station. This means that the charge pump falls to the right of the console. The reflection of this is balos. For right-handed people, we recommend the right-handed version if the installation situation does not require the left-handed version.

Two types of pumps

If the number of collectors is greater than 4, a larger pump must be used: GHN25/60-180

Neither pump is a so-called "solar pump". This category is used by those who want to sell their pump a little more expensively. Both pumps we use have been proving their suitability for years.

Charger pump

Solar collector stations usually do not include a charging pump, especially not for this price. Manufacturers do not consider it important. They assume the mechanic has a pump anyway.

However, we add it because it makes the customer's situation much easier.

Not only does it make the commissioning work easier, but it is also very useful for solar collector system maintenance even if, for example, antifreeze needs to be replaced or refilled . After use, do not forget to clean and oil the filler pump to avoid sticking to avoid.

Dimensions of connecting stubs:

1/2" internal thread on the pump side, 1/2" external thread on the other side.


The pump can be installed on the right or left side. However, it is advisable to arrange it so that the pump presses towards the bracket. This way it can also be vented through the safety valve.

If there is a way to do it, it is advisable to turn the pump vertically downwards by inserting a KB elbow, because this also makes venting much easier.

Make sure that the electrical connection box does not fall down. It is best to face upwards or where it is most accessible. If it is in the wrong direction, the 4 Allen screws on the pump body must be unscrewed and the pump body must be turned in the correct direction. The screws must of course be reinstalled.

Package contents:

  • Solar collector station bracket made of iron with galvanic galvanization 1 pc
  • 3/4" KB black elbow 1 pc
  • GHN 25/40-180 type 3-stage circulation pump 1 pc
  • Pump screws 2 pcs
  • 1"-1/2" KB reducer black 2 pcs
  • Pressure gauge (4 bar) with lower connection 1 pc
  • Expansion tank (8 liters) 1 pc
  • Safety valve (3 bar) 1 pc
  • 12-22 clamping clamp 1 pc
  • 1/2" hose 0.5 meters
  • 1/2 hose end with 3/4 thread and seal 1 pc
  • 1/2 3/4 public screw copper 2 pcs
  • 1/2 common screw black 2 pcs
  • 1/2 ball pin approximately fixed 1 pc
  • 1/2 T black 1 pc
  • 1/2 spring non-return valve with plastic plate 2 pcs
  • 8x70 tripod screws 4 pcs
  • 12 plastic dowels 4 pcs
  • Hand pump piston unit 1 pc


GHN 25/40-180 pump data sheet

GHN 25/40-180 pump installation instructions (English)


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