reducing the frequency of emergency service calls

With a 290-degree F open temperature and a 210-degree F close temperature

System Protection: Provides essential HVAC safety shutoff by monitoring combustion chamber and tank surface temperatures

Compatible with a broad range of models

and common chemicals found in HVACR systems

Nordyne 626423R Limit Switch reducing the frequency of emergencyFor service calls involving short cycling or thermal cutout issues in Nordyne built systems, the Nordyne 626423R Auto Limit Switch is the OEM replacement part required to restore factory safety parameters. This L170 20F limit control is specifically engineered to monitor heat exchanger temperatures, featuring a fixed 170? F open point to interrupt the burner circuit and a 150? F close point for automatic reset. As a fixed mount furnace safety switch,