Description
Nordyne 626619 Auto Limit Switch Overview
The Nordyne 626619 is an OEM auto-reset limit switch engineered to protect furnaces and heating systems from dangerous overtemperature conditions. With an operating range of 100°F to 140°F, this limit switch automatically monitors heat exchanger or plenum temperatures and interrupts the burner circuit when temperatures exceed the set point — then resets automatically once safe operating temperatures are restored.
Key Features
- Auto-reset operation — restores normal function once temperatures return to safe range
- Operating temperature range: 100°F – 140°F
- OEM Nordyne replacement part (SKU: 626619)
- Designed for precise, reliable overheat protection in Nordyne heating systems
- Helps prevent heat exchanger damage and fire hazards caused by restricted airflow or equipment malfunction
- Direct drop-in replacement for compatible Nordyne furnace models
Application
This limit switch is a critical safety component in Nordyne furnaces and air handlers. It is typically mounted on or near the heat exchanger or plenum and works in conjunction with the furnace control board to shut down burner operation if temperatures rise beyond the rated threshold. The auto-reset feature minimizes service interruptions while maintaining system safety.
Why Choose OEM Replacement Parts?
Using genuine Nordyne replacement parts ensures proper fit, reliable performance, and maintains equipment warranty compliance. The 626619 limit switch is built to the same specifications as the original factory component, providing peace of mind for technicians and homeowners alike.
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