Waterway 550-6730 Pressure Relief Valve Assembly – Crystal Water 325 Sq Ft Cartridge Filter Power D.E.Fend.E.R 350 Variable Speed Pump Fits hayward northstar sp4000 pump

Fits hayward northstar sp4000 pump series models sp4005(ns)

quiet performance

A combination of sand and water drainage makes winterizing and servicing faster

Perfect for pumps originally built by Pentair

825 Inch x 12

Waterway 550-6730 Pressure Relief Valve Assembly – Crystal Water 325 Sq Ft Cartridge Filter Power D.E.Fend.E.R 350 Variable Speed Pump Fits hayward northstar sp4000 pumpWaterway Pressure Relief Valve Assembly This heavy duty manual air relief valve is furnished to aid in bleeding unwanted air when starting the filter. This work with Waterway's Crystal Water D. E filters and Crystal Water Cartridge filters. After each service or initial installation, before starting the pump: Verify the filter body clamp is properly assembled Close filter drain Open all system valves to allow normal system operation Place the heavy