The Resideo VCZZ6632 replacement valve cartridge and wrench are genuine OEM components for VC Series three-way valves, engineered for precise equal-percentage low-flow control in hydronic HVAC systems. Designed for use with three-way VC cartridge valves rated at 14-pound force (lbf), it is suitable for cold, warm, and hot water applications.
 
The cartridge features a 0.4 in (10 mm) stainless-steel stem and is constructed from durable EPDM, Ryton, and Noryl plastics to ensure long-lasting performance.
 
Approved for water with up to 60% glycol (not suitable for steam), it comes with an installation wrench for efficient maintenance in both residential and commercial systems.
 
This cartridge is CSA certified
 
Resideo VCZZ6632 directly replaces the Trane KIT12451 Valve Cartridge.