or debris entering the barbed connection

meaning it can remain energized indefinitely as long as the ambient temperature stays within the specified operating range

and Luxaire indoor units

the switch may be stuck open or the system is failing to cool down due to a restriction

Reznor 97725 Ventor Wheel or debris entering the barbedWhen you're troubleshooting a call for heat and find a seized inducer or hear that distinctive rattling from the combustion assembly, a failing Reznor 97725 Ventor Wheel is often the culprit. This OEM Reznor replacement part is a 3 1 8" x 2" combustion blower wheel engineered specifically for technical compatibility with Reznor FE100 and BE series gas fired unit heaters. Featuring a 5 16" bore size, this wheel mounts securely to the venter motor shaft