Reznor 93389 Tubing High static pressure restricts airflow

High static pressure restricts airflow across the heat exchanger

but it is available individually for targeted seal maintenance

always check your existing bracket for wear before finalizing the installation

if there is no continuity when the switch is closed

the valve failing to reach its full stroke

Reznor 93389 Tubing High static pressure restricts airflowWhen you are servicing older Reznor unit heaters, precise ignition timing is critical for avoiding delayed ignition or pilot dropouts. The Reznor 93389 is a genuine OEM 8 3 4 inch carryover tubing specifically engineered for natural gas and propane furnace ignition systems. This aluminum lighter tube facilitates the smooth transfer of the pilot flame across the burner rack, ensuring all burner sections ignite simultaneously. A common failure point in