Lennox 26W85 Pressure Switch 320788-702 or soot accumulation indicate that

or soot accumulation indicate that a replacement Amana-Goodman 4022704S is necessary for safety and efficiency

you should always verify the original part number and control board compatibility

This kit is specifically for 8040 Series valves with AC coils

For contractors retrofitting existing dampers

Lennox 26W85 Pressure Switch 320788-702 or soot accumulation indicate thatMaintain 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