As a direct 100208551 replacement part

When troubleshooting furnace limit switch symptoms like short cycling or lockout codes

This 3/8" model typically handles up to 65

This Norton 271M replacement features a Style C ceramic block and is factory-rated to reach HSL ignition temperatures within 17 seconds at 120V AC

Environmental Resistance: Material treated to withstand heat

Veris Industries HS2NX Sensor Els PW 17895 As a direct 100208551 replacementField technicians and contractors know that maintaining precision in critical environments starts with a reliable sensing element. The Veris Industries HS2NX is a high performance replaceable humidity sensor designed for 2% RH accuracy. Built with advanced thin film capacitive technology, this NIST traceable sensor offers exceptional resistance to contaminants and rapid recovery from 100% saturation. Specifically engineered for Veris Industries deluxe