White-Rodgers 3L09-19 Limit Switch ensuring it meets the exact

ensuring it meets the exact tolerances required for high-efficiency condensing furnaces

Enhanced System Reliability: Prevents bypass leaks at the inlet elbow

080") sizing ensures precise British Thermal Unit (BTU) input per burner according to manufacturer nameplate ratings

Using a digital multimeter set to the Ohms (

Common Questions: How do I test the Goodman 10250815 limit switch

White-Rodgers 3L09-19 Limit Switch ensuring it meets the exactThe White Rodgers 3L09 19 Limit Switch is a mission critical safety component designed for precise high limit protection in forced air heating systems. This 1 2" bimetal disc limit switch features a 7. 12" insertion length, engineered specifically for board mount applications where deep probe penetration is required to monitor internal plenum temperatures accurately. With a fixed open temperature of 175F and a fixed close temperature of 145F, this