Old Part Numbers: V-203600BLRating 140 PSI
If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature. Used with WL650801.
Old Part Numbers: PS846234VM, MP513901AJ, MP513901SJMay need this too if converting from old style pump to new pump. Check valve is NOT included in kit. May need to order new check valve with 1/8"...