Lochinvar & A.O. Smith 100111708 Pilot Assembly R-22 technicians rely on this sensor

technicians rely on this sensor to resolve common HVAC ignition lockout issues caused by carbon buildup or high-temperature oxidation on the sensing rod

If a wire snaps

Direct OEM Fit: Replaces Lennox 98G4201 and other legacy Lennox furnace parts with zero gap at the collector box interface

Enhanced Reliability: Solid-state circuitry prevents mechanical failure common in float-style switches

Using a 125°F switch where a higher rating is required will cause nuisance tripping

Lochinvar & A.O. Smith 100111708 Pilot Assembly R-22 technicians rely on this sensorThe Lochinvar & A. O. Smith 100111708 Pilot Assembly is a direct OEM replacement engineered for high recovery natural gas water heaters and commercial boilers. This heavy duty natural gas pilot assembly kit with tubing is the authorized successor to part number 182729 004, specifically designed to resolve ignition failures and intermittent flame sensing issues. As a veteran contractor grade component, it features a precision machined orifice and