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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
Base Diameter: 43mm
The cycle will then repeat when the solar panels slowly lose heat and the FPV anti frost valve opens again
• Package Weight: 600g
Material: Grey EPDM and Aluminium
Spout Length: 170mm (Swivel Radius Length)
AW Logi WSP20LF 20mm 3/4" Solar Rated Non Return One Way Check Valve Pressure Reducing Valve Base Diameter: 43mmOverview AW WSP20LF Solar Rated Non Return One Way Check Valve is spring loaded and designed to prevent the high temperature backflow from the roof collectors present in solar hot water systems. In order to survive this high temperature working environment, the AW check valves are constructed with lead free DR brass body, silicone seals and high temperature rated full brass internals. During the operation of solar hot water systems in summer, a