---
product_id: 159457992
title: "GP76851 Mixer Cap and GP500520 Pressure Balancing Unit Parts Cartridge | Compatible with Kohler Rite-Temp and 1/2\" Shower Valve GP500520 and GP77759 Parts"
brand: "greatus"
price: "$82.91"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/159457992-gp76851-mixer-cap-and-gp500520-pressure-balancing-unit-parts-cartridge
store_origin: US
region: United States of America
---

# Universal 1/2" valve compatibility Includes scale-removing sandpaper Precision pressure & temp control GP76851 Mixer Cap and GP500520 Pressure Balancing Unit Parts Cartridge | Compatible with Kohler Rite-Temp and 1/2" Shower Valve GP500520 and GP77759 Parts

**Brand:** greatus
**Price:** $82.91
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** GP76851 Mixer Cap and GP500520 Pressure Balancing Unit Parts Cartridge | Compatible with Kohler Rite-Temp and 1/2" Shower Valve GP500520 and GP77759 Parts by greatus
- **How much does it cost?** $82.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/159457992-gp76851-mixer-cap-and-gp500520-pressure-balancing-unit-parts-cartridge)

## Best For

- greatus enthusiasts

## Why This Product

- Trusted greatus brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **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.

## Overview

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.

## Description

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

## Features

- 1. Controls pressure and regulates temperature to ensure a gracious shower experience, repairing the problem of old equipment leakage and cannot mix hot and cold water correctly.
- 2.Consists of the parts replace for the #GP500520 and #GP77759， Includes cartridge and mixer cap for 1/2" valve. Compatible with most Rite-Temp valves.
- 3. Including the sandpaper, which can help you remove scale and avoid leakage caused by scale.
- 4. Please pay attention to the correct installation of the O-ring, the O-ring needs to be placed flat in the groove, dont rotate the cartridge, just put it directly.
- 5. It's After Market Replacement. Please confirm that your water valve is suitable for this model before purchasing.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Images

![GP76851 Mixer Cap and GP500520 Pressure Balancing Unit Parts Cartridge | Compatible with Kohler Rite-Temp and 1/2" Shower Valve GP500520 and GP77759 Parts - Image 1](https://m.media-amazon.com/images/I/710bstKCbkL.jpg)

## Available Options

This product comes in different **Color, Number Of Items** options.

## Questions & Answers

**Q: 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.**
A: 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.

## Frequently Bought Together

- GP76851 Mixer Cap and Pressure Balancing Unit (Shower) Parts Cartridge Compatible with Kohler, Replacement for Rite-Temp and 1/2" Shower Valve GP500520 and GP77759 Parts After Market Replacement
- KEZE Waterproof Food Grade Silicone Lubricant Plumbers Grease for Valve Sealant Faucet O Rings 1 oz 1-Pack

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-28*