Nordyne 626418R Limit Switch If your current brackets are

If your current brackets are bent

2-groove identification mark for rapid field verification

the York flame sensor replacement detects the presence of the burner flame through the process of ionization

Common Questions How do I verify if the Berko 4520-2048-000 is the correct limit switch for my heater

Nordyne 626418R Limit Switch If your current brackets areThe Nordyne 626418R Limit Switch is a critical OEM replacement part engineered for precise thermal regulation in HVAC systems. As an L150 20F automatic reset limit switch, it functions as a primary safety control, monitoring the internal plenum temperature to prevent heat exchanger damage. When the temperature reaches the fixed 150? F trip point, the switch opens the electrical circuit to shut down the heating element or burner. Once the system cools