Lennox 70W42 Blower Housing 319825-402 the 24V control circuit triggers

the 24V control circuit triggers the coil to close the high-voltage contacts

Using it on non-specified equipment may compromise safety and performance

this 3-blade aluminum assembly ensures optimal static pressure performance and vibration-free operation in demanding outdoor environments

This specific model is designed as a fixed-temperature limit switch

Precise Control: Features a selectable cycle rate (Fast or Slow) and adjustable temperature display calibration from -4 to +4 degrees

Lennox 70W42 Blower Housing 319825-402 the 24V control circuit triggersThe Lennox 70W42 Blower Housing is a critical OEM replacement part engineered for precise airflow management in high efficiency furnace and air handler assemblies. Built to fit a flat sided 11 inch by 11 inch configuration, this housing ensures the proper static pressure required for optimal heat exchange and cooling performance. As a veteran technician knows, maintaining the integrity of the centrifugal fan enclosure is vital to preventing surging