Lennox 21917 Plate 322838-752 the CT-815 requires no external

the CT-815 requires no external power supply

it is best practice to mount the solenoid in the vertical and upright position

allowing the unit to resume normal operation without manual resetting

maintaining the integrity of the original HVAC drainage configuration

Lennox 21917 Plate 322838-752 the CT-815 requires no externalAs a seasoned technician, you know that maintaining precise internal static pressure and airflow direction is non negotiable for system longevity. The Lennox 21917 Plate is a critical OEM Cut Off Plate designed specifically for Lennox blower housing assemblies and heat exchanger transitions. This heavy gauge steel component acts as an airflow diverter, preventing air bypass and ensuring that the high velocity discharge from the blower wheel is