Shower & Tub Parts - Shower Faucet Rough-in Valve Extension Kit

This pressure balance rough-in valve extension kit is designed to provide a simple, reliable solution when your valve is installed too deep within the wall. Compatible with models KSF403, KSF404, KSF405, KSF406, KSF408, KSF409, KSF412, and KSF413, this kit allows you to extend the valve outward by up to 7/8", ensuring proper alignment with trim components for a clean, professional finish. Built for durability and easy installation, it helps eliminate the need for costly rework while maintaining optimal valve performance.

Download: Installation Video