Ordered this part after plumber reccomendation. It fixed our leak in November of 2021 and is now leaking again. Trying to replace for new one.

I had the same issue. It worked for a month. I bought another and the same thing happened. I eventually bought the Kohler replacement part (new design - it doesn't look like the old part) and no leaks. You get what you pay for.

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GP76851 Mixer Cap and Pressure Balancing Unit (Shower) Parts Cartridge Compatible with Kohler Rite-Temp and 1/2" Shower Valve GP500520 and GP77759 Parts

Product ID: 159457992

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🔧Universal 1/2" valve compatibility

🧽Includes scale-removing sandpaper

⚙️Precision pressure & temp control

Description

🚿 Elevate your shower game—pressure perfect, leak-free luxury!

LEAK FREE CONFIDENCE - Includes sandpaper to eliminate scale buildup, preventing leaks and prolonging valve life.
PRO INSTALLATION READY - O-ring design ensures a secure, no-twist cartridge fit—professional results at home.
EFFORTLESS COMPATIBILITY - Fits most Rite-Temp valves including GP500520 & GP77759 models—upgrade without hassle.
SMART AFTERMARKET UPGRADE - Cost-effective replacement part engineered for Kohler-compatible valves, no compromise on quality.
FLAWLESS TEMPERATURE HARMONY - Seamlessly balances hot & cold water for a perfect shower every time.

The GP76851 Mixer Cap and Pressure Balancing Unit is a high-precision aftermarket replacement cartridge compatible with Kohler and Rite-Temp 1/2" shower valves (GP500520 & GP77759). Designed to regulate water pressure and temperature flawlessly, it includes sandpaper to remove scale and prevent leaks, ensuring a durable, leak-free shower upgrade with easy installation.

Specifications

Manufacturer	GreatUs
Item Weight	9.9 ounces
Product Dimensions	3.5 x 3.1 x 3.1 inches
Color	Black
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

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