Waste - By-passes the filter for draining or lowering pool water level and for vacuuming heavy debris directly to waste line
the higher the total alkalinity
146 Bolt Circle
helping to maintain and improve your spa's performance and aesthetic
Hayward ECX4236A Bump Screw Kit Waste - By-passes the filterThis bump handle screw kit is designed to use with Hayward Perflex extended cycle basic and D. E. filter models EC65, EC65A, EC75, EC75A, EC50A, EC50AC, EC30, EC40, EC40AC, EC50C90 Series and also compatible with Perflex extended cycle D. E. filter models I_PFPPTS, EC50C80X5S. Features Bump handle screw replacement kit Fits hayward perflex extended cycle basic and d. e. filter models ec65, ec65a, ec75, ec75a, ec50a, ec50ac, ec30, ec40, ec40ac, ec50c90