Lennox 26W85 Pressure Switch R-407C This is the primary elbow

This is the primary elbow assembly

Can this be used for water pressure relief

technicians should always replace the venturi gasket whenever the gas train is disassembled to ensure a secure seal and prevent post-service leaks

and V5863 series valves for diverse terminal unit applications

Drop-in Compatibility: Verified engineering as the official upgrade path for obsolete TEC2256H-4 units

Lennox 26W85 Pressure Switch R-407C This is the primary elbowMaintain 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