Vayolli

Vayolli GP876851 Mixer Cap & GP800820 Cartridge Kit for Kohler K-304/K-11748

High-performance tools and home improvement made for confident daily results

$45.46

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Why customers choose TaskHolt Tools

Upgrade your Kohler shower experience with the Vayolli GP876851 Mixer Cap + GP800820 Pressure Balancing Cartridge Kit. This replacement set is engineered for Kohler shower valves on the K-304 and K-11748 platforms, delivering reliable control over water pressure and temperature. The pair combines a precise mixer cap with a balanced cartridge to help create a steadier shower flow and fewer temperature surprises during daily use. While results can vary by installation and home plumbing, many users notice a more consistent feel from hot to cold and less leakage over time.

What is included

  • GP77759 Mixer Cap
  • GP500520 Pressure Balancing Unit

Key benefits

  • Compatibility: designed for Kohler shower valves in the K-304 and K-11748 platforms
  • Reliable materials: waterproof plastic housing with brass components for durability
  • Leak reduction: targeted seals and balanced pressure help minimize drips
  • Temperature stability: balanced flow supports more consistent shower temperatures
  • Easy replacement: straightforward installation that can save time on repairs

Before installation

  • Clean internal impurities with sandpaper before installing
  • Replace and place the O-ring flat in its groove
  • Do not rotate the cartridge during insertion to avoid misalignment
  • Firmly position the cap and cartridge and tighten the screws
  • Lubricate O-rings to ensure a proper seal

Real-world use and care

In daily use, this kit aims to deliver more predictable water pressure and temperature, reduce hot/cold mismatches, and maintain a steady shower flow. Keep in mind that outcomes depend on your plumbing setup, and regular maintenance can help sustain performance.

FAQ

Q: What does this kit replace?

A: This kit replaces the mixer cap and pressure balancing unit for Kohler valves on K-304 and K-11748.

Q: Is professional installation required?

A: The kit is designed for straightforward installation and can be completed with common tools; professional help is optional.