Resideo HZ221K Zoning Panel and Kits 321042-401 Utilizing genuine Lennox parts ensures

Utilizing genuine Lennox parts ensures precise fitment and eliminates the common seal failures associated with generic after-market alternatives

replacement is necessary to maintain proper safety tolerances

Will this fit a standard 1-inch return grille

impeller hardware

Resideo HZ221K Zoning Panel and Kits 321042-401 Utilizing genuine Lennox parts ensuresThe Resideo HZ221K TrueZONE kit is a field proven solution for managing 2 zone HVAC systems utilizing single stage heat pumps with auxiliary electric heat. Designed for rigorous professional use, this zoning control panel streamlines multi zone management by eliminating the complexity of manual dip switches in favor of a digital friendly interface. The kit is comprehensive, featuring the HZ221 TrueZONE panel, a C7735A discharge air temperature sensor