Shunt set
The Cpi12 is available with a complete boiler shunt set, including a 3-way mixing valve with sensor, fittings, thermometers as well as a c-pump for circulation of the radiator water.
The 3-way valve ensures that the radiator water that runs back to the boiler is always mixed to a temperature of 60–70°C in order to prevent corrosion of the boiler caused by condensation.