A clicking sound without ignition often indicates a failing igniter wire or a dirty flame sensor

and extending up to 400 series units depending on the specific assembly configuration

Key Benefits Ensures unobstructed airflow while preventing insects

low-friction solution for vertical or horizontal mounting configurations

you must use an external timer or select a different module in the Fireye series with integrated purge logic

Resideo ZD16X12TZ Damper 340155-7026 A clicking sound without ignitionThe Resideo ZD16X12TZ Damper is a professional grade, 24Vac powered HVAC zone damper specifically engineered for high performance residential and light commercial zoning systems. As a veteran preferred rectangular zone damper, it features parallel blade action and a power closed spring return open fail safe configuration, making it the ideal choice for zones requiring a normally open default state. This 16" x 12" unit is built with a heavy duty