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M2 FIX3 DN25

2-WAY PUMP UNIT WITH FIXED TEMPERATURE THERMOSTATIC MIXING VALVE

The unit for 1” (180 mm) circulating pumps consists of:

Supply
• Connection.
• Adjustable thermostatic mixing valve, models F1, F2, F3 and F4.
• 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 125 mm. EPP insulation box (Dimensions: 250x380x170 mm).
PN 10, max temperature 110°C (unit without pump).
External connections: 1” Female.

FIELD OF USE
For power up to 35 kW (with ∆t 20 K) and maximum flow rate 1500 l/h.
Kvs Value: please refer to the table below. For an accurate sizing or higher flow rates, please refer to the curves shown in the instructions.

Available circulating pumps:
Wilo Para 25/6 SC
Grundfos UPM3S Auto 25-60 
Wilo Para 25/8 SC

Available thermostatic mixing valves:
Setting range: 20-45°C
Setting range: 45-70°C

Code
Specifications
External connections
Circulator
Control
Thermostat
20355R-F1 G 1" Female - 20-45 °C -
20355R-F2 G 1" Female - 45-70 °C -
20355R-F3 G 1" Female - 20-45 °C -
20355R-F4 G 1" Female - 45-70 °C -
20355R-F1-P6 G 1" Female Wilo Para 25/6 SC 20-45 °C -
20355R-F1-A6 G 1" Female Grundfos UPM3S Auto 25-60 20-45 °C -
20355R-F1-P8 G 1" Female Wilo Para 25/8 SC 20-45 °C -
20355R-F2-P6 G 1" Female Wilo Para 25/6 SC 45-70 °C -
20355R-F2-A6 G 1" Female Grundfos UPM3S Auto 25-60 45-70 °C -
20355R-F2-P8 G 1" Female Wilo Para 25/8 SC 45-70 °C -
20355R-F3-P6 G 1" Female Wilo Para 25/6 SC 20-45 °C -
20355R-F3-A6 G 1" Female Grundfos UPM3S Auto 25-60 20-45 °C -
20355R-F3-P8 G 1" Female Wilo Para 25/8 SC 20-45 °C -
20355R-F4-P6 G 1" Female Wilo Para 25/6 SC 45-70 °C -
20355R-F4-A6 G 1" Female Grundfos UPM3S Auto 25-60 45-70 °C -
20355R-F4-P8 G 1" Female Wilo Para 25/8 SC 45-70 °C -
20355R-F1-T G 1" Female - 20-45 °C
20355R-F2-T G 1" Female - 45-70 °C
20355R-F3-T G 1" Female - 20-45 °C
20355R-F4-T G 1" Female - 45-70 °C
20355R-F1-P6-T G 1" Female Wilo Para 25/6 SC 20-45 °C
20355R-F1-A6-T G 1" Female Grundfos UPM3S Auto 25-60 20-45 °C
20355R-F1-P8-T G 1" Female Wilo Para 25/8 SC 20-45 °C
20355R-F2-P6-T G 1" Female Wilo Para 25/6 SC 45-70 °C
20355R-F2-A6-T G 1" Female Grundfos UPM3S Auto 25-60 45-70 °C
20355R-F2-P8-T G 1" Female Wilo Para 25/8 SC 45-70 °C
20355R-F3-P6-T G 1" Female Wilo Para 25/6 SC 20-45 °C
20355R-F3-A6-T G 1" Female Grundfos UPM3S Auto 25-60 20-45 °C
20355R-F3-P8-T G 1" Female Wilo Para 25/8 SC 20-45 °C
20355R-F4-P6-T G 1" Female Wilo Para 25/6 SC 45-70 °C
20355R-F4-A6-T G 1" Female Grundfos UPM3S Auto 25-60 45-70 °C
20355R-F4-P8-T G 1" Female Wilo Para 25/8 SC 45-70 °C

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