White-Rodgers 3L09-9 Limit Switch Common Questions: Which furnace models

Common Questions: Which furnace models use the 1012697 grommet

As an OEM HVAC safety switch

These paddles are rated for use with water

a carbon-fouled or cracked flame sensor is the most likely culprit

This cover is specifically designed to work with the blue replacement impeller used in most standard 5-gallon bowl configurations

White-Rodgers 3L09-9 Limit Switch Common Questions: Which furnace modelsThe White Rodgers 3L09 9 Limit Switch is a high reliability, board mounted 1 2" bimetal disc limit control designed for precise thermal oversight in forced air heating systems and industrial furnace applications. This snap action safety device utilizes an open on rise switch action to interrupt the electrical circuit when the ambient temperature reaches a fixed open temperature of 190 degrees F. Integrated auto reset functionality ensures the circuit