15mm Brass Non-Return Valve

The solar non-return valve is a high temperature non-return suitable for use on solar water heaters systems.

Solar non-return valves prevent the backflow of heated water from a water heater to the mains line. This serves the dual purpose of protecting the mains supply from contamination and the loss of water that has already been heated.

Solar and uncontrolled heating system present and increased hazard to downstream components as water can become superheated and potentially flash to steam.

Please note that stock availability is subject to prior sales. Prices exclude delivery.