AVG Hot Water Expansion PTR Valve 15mm Blue 850KPA Compatible_Thermann If you find moisture

If you find moisture

3 A Current in speed 2 1

Sensor may look different to the picture in the listing

The controller does this by using sensors to sense both the solar panel and the tank water temperature

a Pressure Limiting Valve must be fitted to the cold inlet

AVG Hot Water Expansion PTR Valve 15mm Blue 850KPA Compatible_Thermann If you find moistureHot Water Expansion PTR Valve 15mm Blue 850KPA The Pressure and Temperature Relief valve (PTR) is designed to relieve the increase in pressure caused by water expansion during the normal heating cycle. The valve will then relieve the increase in pressure by releasing drips of hot water to the drain line. Should the electrical temperature cut out device cease to operate correctly, the water will overheat. The temperature probe will then open the PTR