Thermostatic Cartridge 78913 For Kohler K-400-K K-401-K

Product Overview

The Thermostatic Cartridge 78913 is designed to regulate water temperature and maintain consistent flow for specific MasterShower series valves. This Thermostatic Cartridge ensures a safe and comfortable shower experience by preventing sudden temperature fluctuations. It is a vital maintenance component for homeowners and plumbing professionals repairing high-quality shower systems.

Key Features & Performance

• Durable brass construction ensures long-lasting performance and corrosion resistance
• High-precision thermal element provides accurate temperature control and scalding protection
• Designed for 3/4-inch thermostatic mixing valves manufactured prior to 2006
• Integrated filters help prevent mineral buildup and debris from affecting water flow
• Engineered for a direct-fit installation into compatible Kohler valve bodies

Fitment & Compatibility

• Kohler K-400-K MasterShower 3/4" Thermostatic Valve
• Kohler K-401-K MasterShower 3/4" Thermostatic Valve
• Riobel 401-113 0.75 Valve

Common Uses

• Replacing worn-out cartridges in residential MasterShower systems
• Restoring temperature adjustment functionality in stiff or leaking shower valves
• Maintenance for plumbing systems in hotels or commercial facilities using Kohler hardware

Technical Specifications

• Part Number(s): 78913
• Valve Size: 3/4 Inch
• Material: Brass
• Compatibility: Pre-2006 Kohler Valves

Frequently Asked Questions

Q: When should I replace my thermostatic cartridge? A: You should replace it if the water temperature is inconsistent, the handle is difficult to turn, or if water leaks from the temperature adjustment handle.

Q: Does this cartridge include a volume control function? A: No, this is a mixing valve cartridge only and requires a separate volume control or shut-off valve depending on your specific model.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.