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Safe WS 5-24 Yonos PICO (system separation complete) | Wilo
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Safe WS 5-24 Yonos PICO (system separation complete)

Article number: 4180050
Technical data
Tender text

System separation with high-efficiency primary and secondary pump and mixer, integrated in a common insulation shell. For hydraulic separation between the primary side with the heat generator and the secondary side with the underfloor heating circuit.

Valve group in a compact construction comprising the following items

  • Wilo-Safe WSG 5-24 basic unit,
  • Wilo-Safe WSA 5-24 connection set and
  • Wilo-Safe WSM 5-24 mixer.

The system separation is fully assembled, pressure-checked and packed in insulated containers

Wilo-Safe WSG 5-24 basic unit


  • High-efficiency floor-area pump with stainless steel housing (Yonos PICO plus 25/1-6-N),
  • Special heat exchanger WT 5-24,
  • 2 multipurpose ball valves with integrated thermometer 0-120°C and R¾" connection option for a diaphragm expansion tank,
  • Flow and return pipe with 2 immersion wells and secondary pipe assembly made of MS,
  • Pressure gauge 0-4 bar,
  • 2.5 bar safety valve
  • Filling and drain cock MS,
  • 2 insulating shells made of EPP incl. wall bracket and fixation material.

Wilo-Safe WSA 5-24 connection set


  • High-efficiency Yonos PICO plus 25/1-6 primary circuit pump,
  • flow bend with ventilation connection R 1/4",
  • Thermometer, 0 – 120 °C, Ø 63 mm
  • and screwed connections.

Wilo-Safe WSM 5-24 mixer

With 3-way mixer, setting angle 90° with two-sided scaling and screwed connections.

Technical data

Rated power: 5 – 24 kW

Operating temperature (max.): 90 °C

Operating pressure (max.): PN 6

Connections, floor circulation: Ø28 mm inside

Connections, tank circulation: Ø28 mm inside

Weight: approx. 14.6 kg

Dimensions (L x W x H): approx. 555 x400 x 160 mm


Accessories must be ordered separately:

  • Wilo-Safe servomotor 230 V, 50 Hz, 6.5 VA, 5 Nm, setting angle 90° for direct connection to the Wilo-Safe mixer WSM 5-24.
Technical data
Height H 555 mm
Length L 400 mm
Width W 224 mm
Net weight, approx. 16.5 kg
Make Wilo
Item no. 4180050

Certificate REACH

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (212 KB)