The Nordyne 626419R Limit Switch is a critical OEM replacement part designed for high-limit thermal protection in residential gas furnaces

Using a non-OEM part may lead to nuisance trips or unsafe operation

this unit integrates a mechanical potential relay and a high-capacity start capacitor (189-227 MFD) to provide the reactive power needed for high-torque startups

its construction is specifically optimized for flanged airstream heating systems

Versatile Mounting: Supports standard DIN rail or surface mounting configurations for flexible control panel layouts

Lochinvar & A.O. Smith 100208176 Limit Switch Els PW 29614 The Nordyne 626419R Limit SwitchThe Lochinvar & A. O. Smith 100208176 Limit Switch is a critical safety component engineered to monitor and regulate water temperatures in high efficiency domestic and commercial heating systems. Calibrated specifically as a 240F High Limit Switch, this device functions as a manual or automatic thermal cutout, interrupting the electrical circuit to the burner or heating elements should the system exceed safe operating parameters. Rated for 240 degrees