this limit control stilt is a standard truck-stock item for troubleshooting overheating HVAC systems where a brown sleeve limit switch is specified

How do I troubleshoot a failing 1980-060 thermocouple

or restricted ductwork before replacing the switch

This black plastic cooling fan blade is a genuine OEM replacement part designed to dissipate heat from the inducer motor shaft

ensuring consistent performance for professional contractors

Lennox 34M77 Pressure Switch Els PW 17895 this limit control stilt isEnsure reliable sequence of operation with the Lennox 34M77 Pressure Switch, a critical safety component designed for heating and cooling systems. This OEM Lennox furnace pressure switch is engineered to monitor draft pressure and confirm proper inducer motor performance before allowing the ignition process to begin. Featuring a precise 1. 00"wc SPST (Single Pole Single Throw) configuration, this switch actuates at 1. 00" W. C. and resets at 1. 15" W.