Pressure Balance Cartridge: Designed as a precise replacement for the RK7300-CART-3P, this cartridge is fully compatible with Z-7300 Zurn Temp-Gard III Faucets and Temp-Gard III shower valves. Key Benefits: - Consistent Water Temperature: The pressure balancing feature ensures stable water temperature, enhancing user comfort and providing safety by preventing sudden temperature fluctuations. - Durable Construction: Crafted from sturdy plastic, this cartridge offers long-lasting performance, making it an effective solution to resolve water leakage issues and reduce the need for frequent replacements. - Easy Installation: Simply compare the new cartridge with your old one for verification, and enjoy a hassle-free installation that virtually eliminates faucet dripping. Essential Attributes: - Size: This shower cartridge has a diameter of 40mm, making it crucial to select the correct replacement for your specific bath tub or shower faucet to ensure optimal functionality. Use Scenarios: - Ideal for homeowners dealing with inconsistent water temperatures during showers, ensuring peace of mind for family safety. - A perfect solution for maintenance professionals seeking reliable replacements to address leakage issues in showers and faucets quickly. - Suitable for DIY enthusiasts looking to upgrade their bathroom fixtures without complicated installations. Trust this replacement cartridge to deliver reliable performance and maintain the comfort and safety of your home.