Description
The Resideo MX125-RP is a genuine OEM replacement gasket kit engineered to restore reliable sealing in 1-1/4 inch MX series thermostatic mixing valves, including the MX128. The kit contains three precision-fit gaskets that target critical valve connection points, eliminating leaks and maintaining system integrity across a wide range of operating pressures and temperatures. Built from robust, high-performance materials, these gaskets are purpose-designed to endure the rigors of both plumbing and hydronic applications — delivering long-lasting durability in residential and commercial installations alike. Keep your mixing valve performing at its best with a straightforward, cost-effective service solution.
Key Features
- Genuine replacement gasket kit for MX series thermostatic mixing valves
- Sized for 1-1/4 inch valve connections
- Includes three precision-fit gaskets for a complete service
- Restores leak-free sealing and protects overall system integrity
- Durable materials rated to withstand pressure and temperature variations
- Ideal for routine maintenance and repair in plumbing and hydronic systems







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