Shower Cartridge Replacement – Compatible with Zurn Z7300 TempGard III • Precise Fit and Full Compatibility Designed specifically for Zurn Z7300 TempGard III shower valves and faucet systems, this cartridge is a direct replacement for models RK7300CART3P, JH02BJ, HL40, and additional compatible units. Ensures proper installation and restores original water flow and temperature performance without hassle. • Quick and Simple Installation No specialized tools are required. Swap out your old cartridge in minutes by following a few straightforward steps. Just confirm model and size compatibility before starting. This reduces costs, saves time, and lets you quickly your shower to function. • Durable, Performance Materials Constructed with an engineered ceramic core and reinforced plastic housing, this cartridge is built to resist temperatures, aging, and wear. Suitable for frequent daily use, its robust design helps prevent leaks, cracks, and premature failure. • Stable Water Temperature with Pressure Balancing Features a 40mm pressure balancing design that maintains a consistent mix of hot and cold water. This advanced technology prevents sudden temperature changes caused by water pressure fluctuations, ensuring a comfortable and safe shower for every user. • Ideal for Various Applications 1. Residential bathrooms: worn cartridges to fix inconsistent temperature, low water flow, or leaks. 2. Rental properties: Install durable replacements that reduce maintenance issues and extend service life. 3. Commercial facilities: Maintain reliable shower performance in gyms, hotels, or dorms where frequent use demands longlasting parts. Specifications: Compatibility: Zurn Z7300 TempGard III, RK7300CART3P, JH02BJ, HL40, and other compatible models Size: 40mm pressure balance cartridge Core Material: Engineered ceramic Housing Material: Thickened plastic Resistant to: temperature, wear, and aging This replacement cartridge delivers dependable performance, consistent temperature control, and durability you can trust, making it the ideal choice for restoring and maintaining your shower system.