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Solar station separation system Regusol X-Duo 25
DN 25, Wilo PARA, two storage cylinder circuit connections

The Regusol X stations with heat exchanger enable a controlled transfer of thermal energy from a solar circuit (primary circuit) to a storage cylinder circuit (secondary circuit). The stations enable the solar circuit to be shut off on the supply and return side and prevent self-circulation via integrated check valves when the pump is switched off. The integrated electronic controller takes over the control and monitoring of the solar thermal system.

The primary circuit consists of a high-efficiency pump, ball valves with integrated check valves and thermometers in the supply and return, a safety group with safety valve, pressure gauge, fill and drain cock and connection possibility of an expansion tank, connections for filling, flushing and draining and an electronic volume flow sensor. The secondary side consists of a high-efficiency pump, ball valves with integrated thermometers in the supply and return, a check valve, a safety valve, a vent
valve and a connection for filling, flushing and draining. Depending on the version, a changeover valve is also included, e.g. for stratified storage cylinders or two separate storage cylinders. The circuits are separated by a plate heat exchanger. The station has an integrated electronic controller, a wall mounting device and a thermal insulation.

The Regusol X stations are ideal for buffer storage cylinders without direct solar connection. They are characterised by a time- and space-saving installation. A high degree of functional reliability is ensured by maintenance-free components and high-quality materials.

  • Heat exchanger: Copper brazed
  • Nominal size: DN 25
  • Connection solar circuit: G 1 external thread for Regusol compression fittings
  • Connection storage cylinder circuit: G 1 external thread, flat sealing
  • Connection expansion tank: G 3/4 external thread flat sealing
  • Pump length: 130 mm
  • Pump type: Wilo PARA ST 15-130/7-50/iPWM2-6 (collector circuit), Wilo PARA 15-130/7-50/iPWM2-6 (storage cylinder circuit)
  • Length: 265 mm
  • Width: 500 mm
  • Height: 860 mm
  • Thermal insulation: Yes
  • Wall bracket: Yes
  • Dial thermometer: Yes
  • Check valve: Yes
  • Opening pressure check valve: 20 mbar
  • Safety valve: Yes
  • Pressure gauge: Yes
  • Venting: Yes
  • Volume flow sensor: Vortex
  • Flow indicator: No
  • Fill and drain cock: Yes
  • Electronic controller: Yes
  • Max. operating temperature: 120 °C
  • Short-term starting temperature: 160 °C
Art.-Nr.: 1361050
EAN: 4026755401981
Manufacturer: Oventrop GmbH & Co. KG
Subject to technical changes


Dimensions of article

Length Width Height Weight
265 mm 500 mm 860 mm 29,33 kg

Packing units

Type Qty. Length Width Height Weight
Carton 1 900 mm 525 mm 305 mm 30,1 kg
Europallet 3 1200 mm 800 mm 1100 mm 112,5 kg


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ETIM 7.0
Property Value
Model Double strand
Flow rate 3.9 m³/h
With thermometer
With circulation pump
With safety valve
With pressure gauge
With non-return valve
With filling- and draining valve
Lift circulating pump 6 m
Volume flow measurement device
Thermally insulated
Wall mount
Expansion reservoir