and HRP042T1LP6

Technicians should verify if the existing switches or specific models (HK06NB023/HK06NB025) are required for the installation

micro-adjustable water level calibration

improper leveling of the air handler

maintaining communication between the main processor and secondary modules—such as sensors or user interfaces—requires a cable that can handle thermal cycling and vibration

Lennox 26W85 Pressure Switch 323055-751 and HRP042T1LP6Maintain precise combustion control with the Lennox 26W85 Pressure Switch, an essential dual stage pressure switch designed for Lennox G61 furnace series and high efficiency HVAC platforms. This OEM Lennox replacement part (part number 101021 09) features factory calibrated set points of 0. 90" W. C. for low fire and 1. 30" W. C. for high fire stages. As a 2 stage pressure switch with SPST electrical configuration, it monitors the inducer motor's