Gasket used on all nozzle venturi types, part # 7204362 and 7176195 and 7163663 and 7082582,WS08X10006. #70 Part #'s: 7204362 and 7082582, Part # WS08X10006,#50 Part #: 7204363. The softener will not operate properly if this seal is not in good condition.
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