For contractors and technicians needing a reliable replacement

Key Benefits Maximum Fluid Compatibility: Designed for use with CFC

Technicians can rely on its compact footprint and standardized mounting for seamless field installation

It is the primary replacement for X70370526010 and is also compatible with legacy part numbers MOT07621

The assembly features automatic ball checks as a critical safety mechanism

Resideo ZD8X18TZ Damper 320734-701 For contractors and technicians needingThe Resideo ZD8X18TZ is a heavy duty 8 inch x 18 inch rectangular zone damper engineered for precise airflow management in forced air systems. Constructed with a solid extruded aluminum frame and parallel blades, this unit minimizes pressure drop while ensuring a low leakage seal (less than 1% at 0. 5 in. WC) when closed. It features a 24Vac power closed, spring return open configuration, making it a reliable fail safe solution that defaults to the