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Thread Size: 20mm (3/4") outlet with 20mm cap x 15mm 1/2" outlet x 15mm 1/2" inlet
The AVG ECV15-1200-LF 15mm (1/2") 1200kPa ECV expansion control valve is used to regulate the water pressure inside hot water services
Valve Type: Non Return Check Valve
• Ring Size Range: 125 – 230mm (5 – 9")
Model: PTR20/1400
APO FPV 15mm Solar Anti Frost Protection Valve Chrome Plated Thread Size: 20mm (3/4") outletOverview The APO Anti Frost Protection Valve FPV is designed to protect solar collector panels from frost damages. The APO FPV is compatible and a direct swap for other brands such as AVG and Caleffi frost protection valves. The FPV anti frost valve employs a wax filled piston inside coupled with a spring to open or shut the valve. The wax will contract or expand according to the ambient air temperature in order to move the piston. To extend the APO