
All product information at a glance
Product Description
Wilo GPO S DN 25 pump group - pump group for central heating - with three-way mixing valve with servo motor - Wilo circulation pump
The pump assembly with a three-way mixing valve is used to force the circulation of the working fluid in the central heating, process heat, and cooling system. The circulation pump allows operation in: Δp-c, Δp-v, and constant speed modes.
Equipment of the pump group
- two ball valves with integrated thermometers and a check valve on the supply line
- Wilo Para SC circulation pump with 130 mm spacing
- Three-way mixing valve with servo motor
- Thermal insulation.

Characteristics:
- Removable housing insulation
- Wilo Para SC 25/6 high-efficiency pump (constant speed in 3 stages) 130mm installation length
- 3-way mixer with actuator
- Red supply line: Thermometer (0-160°C) with ball valve and check valve
- Return line (blue): Thermometer (0-100°C) with ball valve and check valve
- Connections at the top: DN20 = 2x IG 3/4" / DN25 = 2x IG 1"
- Connections at the bottom: DN20 = 2x AG 1" / DN25 = 2x AG 1 1/2"
- Distance between flow and return pipes: 125 mm
- Pressure: max. 6 bar
- Temperature: max. 90°C
- Dimensions: 390 x 275 x 140 mm (H x W x D)
- Weight: DN20 = 6.5 kg / DN25 = 6.9 kg
- 230V/ 50 Hz

Important NOTE!
The installation and commissioning of the equipment must be carried out exclusively by qualified personnel. In the event of a complaint, proof of proper installation by qualified specialists (certificate of professional qualification and special qualifications) must be provided. If no such proof is provided, all warranties and guarantees will be void.
Technical specifications subject to change without notice. Errors and omissions excepted. Subject to prior sale. Image may differ from actual product.
Technical Data
| Download Data sheet | Download PDF |
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Installation
Notes
Manufacturer Information
SUNEX SA Ziegelweg 7 02906 Niesky Poland service@sunex-deutschland.de https://sunex-deutschland.de/
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