Solid brass replacement thermostat cartridge kit for bathtub mixers, faucets and shower valves Key benefits — why you need this Long-lasting durability: Made from solid brass to resist corrosion and wear, ensuring reliable performance and reducing the need for frequent replacements. Fast, hassle-free repair: Installs without drilling or complicated tools — simply insert the cartridge into the faucet and tighten for a secure fit. Wide compatibility: Designed to work with built-in thermostats and stick-style thermostats, so it fits a range of common thermostatic mixers and valves. Complete repair solution: The kit contains all necessary components for a full cartridge replacement, letting you restore valve function in one service visit. What this product does Restores precise temperature and flow control in bathtub mixers, sink faucets and shower valves by replacing a worn or leaking thermostat cartridge. Stops drips, reduces water waste, and prevents temperature instability caused by failing internal components. Key attributes Material: Solid brass construction for strength, corrosion resistance and long service life. Function: Replacement thermostat/cartridge for thermostatic mixers and valves. Compatibility: Intended for use with both built-in thermostats and stick-type thermostats; suitable for bathtub mixers, faucets and shower valves. Installation: Tool-minimal installation — no drilling; cartridge is pushed into the valve body and tightened for a secure fit. Kit composition: Supplied as a full replacement set containing the parts required to complete a standard cartridge repair. Practical applications (use scenarios) Bathroom repair: Replace a leaking or sticky cartridge in a bathtub mixer to stop dripping, recover stable water temperature and avoid calling a plumber. Shower maintenance: Swap the worn thermostat cartridge in a shower valve to restore smooth temperature control and prevent sudden scalding or cold surges. Kitchen faucet servicing: Install the brass cartridge in a faucet with thermostatic control to eliminate leaks and extend the life of the fixture. Simple installation steps Turn off water supply, remove the trim and old cartridge. Insert the new brass cartridge into the valve body. Tighten to secure, reassemble trim, then restore water and test for proper temperature and flow. Who this is for Homeowners and handypersons who want a durable, single-kit solution to repair thermostatic faucets and valves without extensive plumbing work. Maintenance professionals who need a reliable replacement cartridge that fits a variety of thermostatic fixtures. Trust and performance Solid brass construction and a complete parts kit give you a dependable repair with long-term reliability, restoring valve function and reducing future maintenance. Note: This description reflects the product’s original functions and compatibility: a solid brass replacement thermostat cartridge kit for bathtub mixers, faucets and shower valves, compatible with built-in and stick-style thermostats, and supplied as a comprehensive repair set.