Hidove Single-Function Pressure Balance Cartridge for RP70538 / RP73625 — Single-Handle Tub & Shower (Check Included)

Replacement single-function pressure balance cartridge compatible with RP70538 and RP73625, made for single-handle tub and shower faucets in the Foundation series. The unit ships with the required check valve included. This cartridge maintains stable water temperature by compensating for sudden fluctuations and provides combined control of both temperature and flow in single-handle shower faucets. Designed and tested for reliable operation, it helps resolve common leakage problems and restore proper performance. Installation is simple: verify the new cartridge matches your old one, then swap it in to stop dripping and regain normal function. Package includes the pressure balance cartridge plus the check for RP73625.