a new isolator should be used to prevent resonant noise through the ductwork

While the rod provides the mechanical link

It retains the same physical dimensions and electrical requirements for a drop-in fit

Common Questions How do I test if my B1256554 sequencer is failing

Is this orifice compatible with propane (LPG) applications

Zonefirst ZDB-10X18 10HX18W Parallel 24V 2-Pos S/R Els PW 17895 a new isolator should beThe Zonefirst ZDB 10X18 is a professional grade 10HX18W Parallel 24V rectangular zone damper designed for heavy duty HVAC airflow management. Engineered with a rugged extruded aluminum frame and parallel blade linkage, this 24V 2 Pos S R unit provides reliable Fail Safe operation via a specialized synchronous motor. As a bottom mount zone damper, the motor is positioned on the wider 18 inch dimension, making it ideal for ceiling or floor run