Replace for Wilkins RK1-375R Rubber Parts Repair Kit Fit for 1 Model 375 375ST 375XL Including Lubricant

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• 【Specific Application】The RK1-375R Rubber Repair Kit is compatible with the 1" Model 375, 375ST and 375XL. For both Checks and Relief Valve.
• 【Strong Function】This kit perfectly replaces for Wilkins RK1-375R Rubber Repair Kit. If the rubber is used for a long time, it will harden and break easily, which will make the Backflow Preventer fail to close tightly and cause water leakage. The accessories within the kit allow you to speed up repairs, while lowering maintenance costs and extending the product life.
• 【Superior Material】The RK1-375R Rubber Parts Repair Kit is made of high-quality rubber. With strong durability, ultimate corrosion resistance and anti-rust performance. Better quality allows it to be used for a longer time.
• 【Package Includes】You will get 2*Check Seal Rings, 1*Relief Valve Seal Ring, 1*Diaphragm, 1*O-Ring (#1 Check Seat), 1*O-Ring (#2 Check Seat), 2*O-Rings (Housing Inlet and Outlet), 1*O-Ring (Relief Valve Cover), 1*O-Ring (Relief valve Seat), 1*O-Ring (Relief Valve Stem), 1*O-Ring (Sleeve). Instruction and Lubricant are also included. —14 Pieces in total.
• 【100% Satisfaction Guarantee】We are committed to providing excellent products and the best service for customers. If you are not satisfied with the product, you can simply return it. We support 30-day refund for return and 12-month warranty.