the wax contracts sufficiently enough to compress the string and open the FPV valve seat causing a water leakage from the solar hot water panels
• DEKS DC106BC
These inline pressure reduction valves maintain a consistent water pressure supply
This Grundfos 15-20 CIL2 solar hot water pump by All Plumbing Online is supplied with a pair of AVG pump unions
Ring Size Range: Square Rings of 20-125mm (3/4"-5″)
AVG ECV15-700-LF 15mm 700kPa ECV Expansion Control Valve Expansion Control Valve the wax contracts sufficiently enoughOverview The AVG ECV15 700 LF 15mm (1 2") 700kPa ECV expansion control valve is used to regulate the water pressure inside hot water services, including heat pumps, electric, gas storage and solar water heaters across all mainstream brands in Australia such as Rheem, Vulcan, Rinnal, Dux, Aquamax, Thermann, Apricus and Solahart. The AVG ECV expansion control valve features the same threads, fitments and similar physical sizes with many other valve