Always verify the model number and serial number on the unit rating plate to ensure the blower curve and electrical specs match your installation

Whether you are troubleshooting air side restrictions or performing a new installation

minimizing pressure drop across the 4 inch flanged connection

The 5/16-inch damper rod (such as the AM-125) must be sourced separately depending on the length required for your specific installation

while many look similar

Resideo VCZZ1432 Replacement Cartridge R-410A Always verify the model numberThe Resideo VCZZ1432 Replacement Cartridge is a critical component for maintaining or rebuilding Honeywell VC series 2 way zone valves. Engineered for a 1000 series configuration, this cartridge is compatible with all 2 way VC valve bodies and is specifically designed to deliver an equal percentage flow characteristic. This makes it ideal for precision control in hydronic systems, ensuring linear heat output even with fluctuating pressure. The