Control unit for lowering temperature consisting of thermostatic mixing valves for temperature regulation. (Art. T.133.10) installed on modular element with parallel flow & return connections 1 1/2" M. boiler side below and 1 1/2" F. swivel nut above on system side. Distance between fixing holes: 125" Height: 124 Complete with a fixed adjustable by-pass for boiler circuit to be used if control group is installed on a wall boiler or boiler with circulator. In this way there is no risk of the circ
Adjustment range: 20°C - 70°C.
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