Filling and Flushing Unit

2 clamping ring couplings with support sleeves, pre-assembled.

Auto Fill Valve

We supply the valve complete with adjustable inlet pressure, non return and pressure gauge.

The valves should never be left connected to the cold water main of a filling loop.

The valve outlet should be connected to the return line of the solar primary circuit by a 50cm length of uninsulated copper or stainless steel