Zero Governor Precision: Specifically designed to maintain a 1:1 ratio in mixing systems

Using lubricants or adhesives can lead to gasket slippage or failure under high-pressure conditions

though it may also be found on the outdoor condenser coil in heat pump applications

it features a 2

professional flush finish

Resideo ZD12X20TZ Damper 322056-301 Zero Governor Precision: Specifically designedThe Resideo ZD12X20TZ is a heavy duty, 12" x 20" rectangular zone damper engineered for precision airflow management in TrueZONE and other 24V electronic HVAC zoning systems. This parallel blade zone damper features high integrity extruded aluminum construction, ensuring long term structural stability and a low leakage rate of less than 1% at 0. 5 in. WC. Designed for fail safe normally open operation, the integrated ZD series 24Vac actuator utilizes