1 in Large Extension Kit for Thermostatic Valves

SPECIAL ORDER ITEM. Review Returns Policy before purchase. This extension kit provides the necessary reach for installing thermostatic valves in deeper wall cavities. Designed for compatibility with specific thermostatic valve series, the kit ensures proper valve stem engagement when standard installation depths are exceeded. The components are ANSI certified and meet low lead compliance standards for safe plumbing system integration. Each kit is stackable to accommodate varying wall thicknesses, and the assembly is backed by a lifetime limited warranty to ensure long-term reliability in residential or commercial water control applications.