Resideo ZD6X12TZ Damper 328140-751 This design protects the internal

This design protects the internal gear train from closing shock

When troubleshooting furnace short-cycling or limit switch error codes

this dual-pole double-throw relay handles up to 10A resistive loads at 240VAC

This genuine Spirax-Sarco replacement part is specifically optimized for use with VCSS

Resideo ZD6X12TZ Damper 328140-751 This design protects the internalThe Resideo ZD6X12TZ Damper is a 6 in. x 12 in. Parallel Blade Damper engineered for rigorous forced air zoning applications. Featuring a 24Vac power closed spring return open configuration, this unit ensures high reliability fail safe operation by maintaining 100% airflow during power loss. The synchronous motor is robustly side mounted on the 12 inch dimension, enabling a low profile fit for tight HVAC zone control installs. Built with an extruded