the 50M18 kit (LB-101508A) includes one ring

Superior Particulate Capture: The 15 micron rating provides a critical line of defense against metallic shavings and debris that can score screw rotors

this is the 115V direct-fit solution required to eliminate nuisance "no-heat" calls and pressure switch code errors related to ignition failure

it delivers an accurate gas pressure regulation range of 1–2 PSIG

How do I confirm this is the correct wheel for my unit heater

Trane FAN0614 Wheel Els PW 17895 the 50M18 kit (LB-101508A) includesFor mid sized air handler and furnace blower assemblies, the Trane FAN0614 Blower Wheel serves as a direct OEM component for critical airflow maintenance. This 5. 75 x 8. 5 CW wheel is balanced at the factory to minimize vibration and prevent premature bearing wear on the motor shaft. With a 1 2" bore hub, it is compatible with a wide range of standard PSC and ECM motor shafts commonly found in Trane and American Standard residential systems. The