Zurn Engineered Water Solutions is a recognized leader in commercial, municipal, and industrial markets, delivering sustainable building solutions for new construction and retrofit applications. At Zurn we are committed to providing smart solutions that save both time and money. This repair kit includes 2 seal rings, 1 relief valve seal ring, 1 diaphragm, 2 cover O-rings, 1 relief valve stem O-ring, 1 no.1 check spring, 1 no.2 check spring, and 1 relief valve spring. The RK14-975XL rubber and springs repair kit is compatible with the 1/4" and 1/2" 975XL2 and 975XL, and 3/8" and 1/2" 975XLST.