lay z spa hot tub ERRORS sensors Pack.E01, E02,E04,E05,E08,flow Rate Paddle 👌
E04 and E05 are the blue and red. And the brass looking screw bit, E08. Such as E02,which is the flow rate body with the E01 sensor on top,and the Paddle inside. And 2 new seals for the Couplings, to attach to hot tub.