the ZoneFirst RDP-12 can be mounted in any position

standard-sized 1-inch assembly

For contractors maintaining older equipment

extending the service life in high-demand environments

Whether you are troubleshooting an unresponsive fan or a hard-lockout condition

Resideo ZD8X6TZ Damper 320734-701 the ZoneFirst RDP-12 can beThe Resideo ZD8X6TZ is a heavy duty, 8" x 6" rectangular zone damper engineered for precise airflow management in multizone forced air systems. Built as a power closed spring return open unit, this damper ensures a fail safe normally open state, providing reliable ventilation even during power interruptions. It features a high torque, 24Vac synchronous motor mounted on the 6" side, delivering a consistent 30 second power closure and a rapid 10 second