Circulation unit for solid fuel and pellet boilers to control the return temperature ( from 50° to 70°C):
A Shut-off device with 2 ball valves and 2 thermometers
B Flanged pipe with check valve
C Possibility to install a differential by-pass valve
E Thermostatic mixer
The supply and return can be inverted (see mounting instructions).
Standard supply on the right side.
Max working pressure: 10 Bar
Max working temperature : 100°C
Pump with 130 mm centre distance