Durable Construction: Built with high-grade steel and sensitive bellows to withstand rapid pressure fluctuations and harsh environmental conditions

000 AFC internal protection to handle transient voltage spikes and thermal stress

2A at 120 VAC/DC

The Lennox 78L03 is rated for use in high-pressure heat pump applications

maintaining the integrity of the microamp signal required for safe burner operation

Lochinvar & A.O. Smith 100327014 Sensor R-410A Durable Construction: Built with high-gradeAs an experienced HVAC technician, you know that the Lochinvar & A. O. Smith 100327014 Sensor is a critical safety component for maintaining FVIR system integrity. This flammable vapor sensor serves as the first line of defense in residential and commercial gas water heaters, specifically engineered to detect the presence of combustible hydrocarbon vapors near the air intake. When a concentration exceeding the safe threshold is measured, the sensor