Review on 🚿 Premium GP500520 Pressure Balancing Unit Cartridge Replacement for Kohler Shower Valve - Compatible with Rite-Temp Bath and Shower 1/2" Single Handle Valves by Danny Badasz

Perfect match for Kohler K-304 Rite-Temp Shower Valve & Faucet Cover 77759, part of the Kohler Coralais Series. The Kohler website has an interactive tool to help you identify your tub/shower valve body so you can order the parts you need. This PB cartridge 500520 was recommended for use with faucet cap 77759 in place of the newer PB cartridge 800820. I recommend watching the installation video for this device. Apply a liberal amount of silicone grease to all o-rings and be careful to install the new faucet cap as the old faucet cap may crack when pulled out. You should always replace both the mixing cap and the pressure equalization block to avoid leaks.