Resideo ZD10X12TZ Damper R-134A it delivers a fail-safe function

it delivers a fail-safe function that ensures the valve returns to its normal position during power loss

Equipped with a 5/8" x 3/4" orifice and a 6-9" w

Common Questions Is this a direct replacement for older 4-stage expansion boards

Negative Pressure Compatibility: Internally balanced to prevent "creep" or unintended opening in pull-through burners and suction-side applications

Resideo ZD10X12TZ Damper R-134A it delivers a fail-safe functionThe Resideo ZD10X12TZ (part of the Honeywell Home TrueZONE series) is a heavy duty 10" Wide x 12" High parallel blade zone damper designed for high performance airflow management in residential and light commercial forced air systems. This rectangular zone control damper features a 24VAC synchronous motor that provides a power closed spring return open operation (normally open), ensuring fail safe airflow during power interruptions. Built with an