This 3-inch furnace limit switch is built for high-cycle reliability and serves as a direct replacement for various Source1 HVAC parts used across York

The motor and fan wheel must be transferred from the existing unit or purchased separately if they are also compromised

it maintains structural integrity under high RPMs

Can this ignitor be used with dual-fuel burners

the RCA-4864 utilizes a porous molded construction to trap solid debris (down to 40 microns) and chemical contaminants that threaten compressor oil integrity

Lochinvar & A.O. Smith 100166080 Thermal Switch Els PW 29614 This 3-inch furnace limit switchThe Lochinvar & A. O. Smith 100166080 Thermal Switch is a critical safety component designed for Residential FVIR (Flammable Vapor Ignition Resistant) gas water heaters. As a resettable thermal switch, it monitors the combustion chamber for excessive temperatures or restricted airflowcommon issues in systems with a clogged flame arrestor or inadequate makeup air. This rollout switch acts as a manual reset high limit, preventing gas flow to the burner