M2 FIX3 DN20

2-way pump unit with fixed temperature thermostatic mixing valve

The unit for 1/2” (130 mm) circulating pumps consists of:

Supply
• Connection.
• Adjustable thermostatic mixing valve, models F1 and F2.
• High efficiency synchronous pre-wired circulating pump (for the models
that include it).
• Flanged ball valve supplied with in-handle thermometer (red ring, range
0°C-120°C).

Return
• Flanged ball valve with 20 mbar check valve (which can be excluded by
rotating the handle by 45°) supplied with in-handle thermometer (blue
ring; 0°C-120°C).
• “T” Connection for mixing valve.
• Connection.

Centre distance 90 mm. EPP insulation box (Dimensions: 180x302x142 mm).
PN 10, max temperature 110°C (unit without pump).
Connections: 3/4” Male with swivel shank to the heat source or to the zone
manifold. 3/4” Female to the user.

FIELD OF USE
For power up to 22 kW (with Δt 20 K) and maximum flow rate 1000 l/h.
Kvs Value: 2.0.
For an accurate sizing or for higher flow rates, please refer to the curve.

Code: 20255R-(F1/F2)
With circulating pump: 20255R-(F1/F2)-(P6/A6/P8)

Available circulating pumps:
Wilo Para 15/6 SC (P6)
Grundfos UPM3S Auto 15-60 (A6)
Wilo Para 15/8 SC (P8)

Available thermostatic mixing valves:
Setting range 20-45°C (F1)
Setting range 45-70°C (F2)