The high-sensitivity element reacts to the ambient humidity in the atmosphere

it draws approximately 3 watts

This high-temperature insulating material is built to withstand extreme thermal cycling without degradation or compression set

it ensures the blower operates only when the heat exchanger has reached a sufficient temperature

For technicians troubleshooting intermittent pilot or standing pilot systems

Nordyne 626538R Limit Switch The high-sensitivity element reacts toThe Nordyne 626538R is a critical safety component designed for professional HVAC system maintenance and repair. This 40 55F Auto Limit Switch serves as a direct, high performance replacement for the legacy 626538 model, ensuring seamless compatibility with Nordyne furnace and heat pump units. As an OEM HVAC part, it is engineered to monitor heat exchanger and airflow temperatures precisely. When the internal thermal threshold is met, the switch