OEM Fit and Reliability: Engineered as a genuine York replacement part to match original factory specifications for port sizing and MOPD

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

maintaining stable operation even under varying inlet pressures

and HRP042T1LP6

ensuring reliable ignition timing

Lennox 26W85 Pressure Switch 323055-751 OEM Fit and Reliability: EngineeredMaintain 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