This complete replacement cartridge kit is tailored for posi temp single-handle shower faucets, serving as a dependable solution for faucet maintenance and repairs. The cartridge itself features a solid brass core, which reduces leakage risk by 50% to support long-term, consistent performance. The kit includes the 104421 cartridge puller tool, which lets you remove the old cartridge without risking damage to your home’s plumbing, plus lubricating grease to streamline the installation process. It also replaces the 116653 metal adapter, temperature limit stop and retainer clip to restore your faucet to a like-new appearance. Equipped with pressure balance temperature control, it eliminates the risk of scalding and sudden cold water shocks, ensuring safe, comfortable shower experiences each time. Suitable for both residential and commercial applications, this kit simplifies DIY repairs, though you should first confirm compatibility to avoid unnecessary delays in your repair work.