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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Delivery head
Simple and easy to assemble - all installations are done the same
The controller does this by using sensors to sense both the solar panel and the tank water temperature
3 speed asynchronous circulator
AVG Hot Water Expansion PTR Valve 15mm Blue 850KPA Compatible_Thermann Delivery headHot 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
