this component features a 3/8-inch square shaft adapter

Installation is straightforward for any technician servicing 140 or 220/300 series models equipped with the 2303 blower kit

this component is built to resist corrosion in high-humidity environments typical of air handling units

While amperage may match

Lennox 92L21 Pressure Switch this component features a 3/8-inchReplace your faulty inducer safety circuit with the Lennox 92L21 Pressure Switch, a precise OEM furnace replacement part cataloged under Lennox R20293412. This single pole single throw (SPST N. O.) switch is factory calibrated to actuate at 1. 61" W. C., ensuring the draft inducer motor maintains the specific static pressure required for safe combustion and flue gas venting. Designed with dual 1 4" barb connections, this component provides a secure