This package includes two replacement electrodes

you will need a reducing bushing or a different blade model to ensure a secure

the internal windings have failed and the 24V HVAC coil must be replaced

preventing unfiltered air bypass

Key Benefits Hazardous Area Certified: Meets Class I

Resideo ZD8X10TZ Damper 340155-7026 This package includes two replacementThe Resideo ZD8X10TZ is a professional grade rectangular zone damper engineered for precise airflow management in multizone forced air systems. Measuring 8" wide by 10" high, this parallel blade zone damper features a heavy duty extruded aluminum frame and blades to minimize static pressure and ensure long term structural integrity. This model is configured as power closed spring return open, providing a fail safe normally open position that maintains