APO FPV 15mm Solar Anti Frost Protection Valve Chrome Plated 20mm Gas isolation ball valve

20mm Gas isolation ball valve (20mm Loose nut x 20mm Female)

• Ring Size Range: 125 – 230mm (5 – 9")

The AVG ECV15-1200-LF 15mm (1/2") 1200kPa ECV expansion control valve is used to regulate the water pressure inside hot water services

gas storage and solar hot water heaters

Model: PTR20/1400

APO FPV 15mm Solar Anti Frost Protection Valve Chrome Plated 20mm Gas isolation ball valveOverview 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