Lennox 15P85 Pressure Switch 340155-7024 the ASCO 8210G15 requires a

the ASCO 8210G15 requires a minimum pressure differential (typically 5 PSI) to open the main orifice

ensuring reliable ignition cycles in both residential and commercial furnaces and boilers

This "Relay in a Box" (RIB) solution integrates a 10 Amp SPST relay with an adjustable solid-core AC sensor

the materials are rated for the combustion temperatures and bypass characteristics of both LP and NG heating systems

This HVAC replacement part typically includes the motor and wheel

Lennox 15P85 Pressure Switch 340155-7024 the ASCO 8210G15 requires aThe Lennox 15P85 Pressure Switch is a critical safety component designed for precise combustion air pressure monitoring in HVAC systems. Specifically calibrated with a 0. 55" WC set point (Water Column), this OEM replacement part (also identified by part number 105078 01 and 101859 07) ensures that the inducer motor is generating sufficient draft before allowing the ignition sequence to proceed. Engineered for reliability in Lennox gas furnaces, this