The Resideo VCZZ6632 replacement valve cartridge and wrench are genuine OEM components designed for VC Series three-way valves in hydronic HVAC applications.  Engineered for precise equal-percentage, low-flow control, the cartridge is intended for compatible three-way VC cartridge valves with a 14-pound-force (lbf) rating and can be used in cold, warm, and hot water systems.

The VCZZ6632 cartridge features a 0.4 in. (10 mm) stainless-steel stem and durable EPDM, Ryton, and Noryl construction for dependable long-term service. It is approved for use with water containing up to 60% glycol and is not suitable for steam applications. The included installation wrench supports efficient cartridge removal and replacement during routine valve maintenance in residential and commercial HVAC systems.

CSA certified for applicable hydronic valve applications, the Resideo VCZZ6632 provides a practical replacement solution that restores valve performance without requiring replacement of the complete valve body. The VCZZ6632 also directly replaces the Trane KIT12451 valve cartridge, making it a suitable OEM replacement option for compatible Trane valve assemblies.
 
The Resideo VCZZ6632 directly replaces the Trane KIT12451 Valve Cartridge.

Frequently Asked Questions

• What is the Resideo VCZZ6632 used for?

The Resideo VCZZ6632 is a replacement valve cartridge designed for compatible VC Series three-way valves used in hydronic HVAC systems. It provides equal-percentage, low-flow control for cold, warm, and hot water applications.

• What type of valve is the VCZZ6632 designed for?

The VCZZ6632 is designed for compatible three-way VC Series cartridge valves. It is intended for hydronic applications where controlled water flow is required.

• Can the Resideo VCZZ6632 be used with glycol?

Yes. The VCZZ6632 is suitable for water containing up to 60% glycol, making it appropriate for many hydronic heating and cooling applications.

• Can the VCZZ6632 be used with steam?

No. The Resideo VCZZ6632 is not designed or approved for steam service.

• What materials are used in the VCZZ6632 cartridge?

The cartridge features a 0.4 in. (10 mm) stainless-steel stem and incorporates durable EPDM, Ryton, and Noryl materials for reliable operation in compatible hydronic systems.

• Does the Resideo VCZZ6632 include an installation wrench?

Yes. The VCZZ6632 is supplied with a cartridge installation wrench to assist with removal and replacement during valve maintenance.

• Is the Resideo VCZZ6632 CSA certified?

Yes. The VCZZ6632 is CSA certified for applicable valve applications.

• Does the VCZZ6632 replace the Trane KIT12451 valve cartridge?

Yes. The Resideo VCZZ6632 is used as a direct replacement for the Trane KIT12451 valve cartridge in compatible valve assemblies.

• Do I need to replace the entire valve body when installing the VCZZ6632?

In compatible VC Series valves, replacing the cartridge can restore valve operation without replacing the complete valve body, which can simplify maintenance and reduce system downtime.