Lennox 70W42 Blower Housing 340155-7024 The Rheem-Ruud dual-stage inducer features

The Rheem-Ruud dual-stage inducer features a robust motor and housing construction built to withstand constant thermal cycling and corrosive flue gases

though the preferred position is with the solenoid upright and vertical to reduce sediment buildup

Durable Construction: Designed with industrial-grade materials to withstand the high-heat environment of the burner box

While the A-4000-144 is fixed at 25 PSIG

offering a compact footprint for streamlined field replacement

Lennox 70W42 Blower Housing 340155-7024 The Rheem-Ruud dual-stage inducer featuresThe 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