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Thermostatic Cartridge 78913 For Kohler K-400-K K-401-K
$253.99
Sale price
$253.99
Regular price
Available to Order
This Thermostatic Cartridge is a shower valve replacement part compatible with Kohler and matches OEM Part# 78913.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
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.