Resideo ZD16X14TZ Damper 30067439-890 This single-pole pressure switch is

This single-pole pressure switch is a critical safeguard against back-drafting and incomplete combustion

Do I need to replace the liquid line dryer when installing this TXV

it handles operating pressure differentials of 5-150 PSI for air/inert gas and 5-125 PSI for water

this component maintains the evaporator's superheat at optimal levels

maintaining the manufacturer-specified spark gap is essential for reliable ignition and to prevent premature wear on the ignition module or control board

Resideo ZD16X14TZ Damper 30067439-890 This single-pole pressure switch isThe Resideo ZD16X14TZ is a professional grade parallel blade zone damper designed for demanding forced air zoning applications. This 16" wide by 14" high rectangular damper utilizes a 24Vac power closed spring return open configuration, ensuring fail safe ventilation should power be lost. The integrated synchronous motor is mounted on the 14" side, providing high torque operation to move the parallel blades efficiently against static pressure.