It indicates the thermocouple will trigger the safety shut-off on the gas control valve rapidly if the pilot flame is extinguished

allowing the ignition sequence to continue

The Reznor 203933 Pressure Switch is a critical safety component designed for precise airflow monitoring in commercial and industrial heating and ventilation systems

Local sensing uses the igniter itself to detect the flame

Bradford White 265-46182-01 Valve Kit 30067439-890 It indicates the thermocouple willThe Bradford White 265 46182 01 Valve Kit is a direct OEM replacement LP gas control valve engineered for precise thermal regulation in Bradford White Defender Safety System water heaters. This Sit Proflame gas valve features an integrated thermostat control and a piezo igniter assembly, ensuring reliable pilot ignition and consistent burner manifold pressure. Designed for liquid propane applications, the 265 46182 01 manages gas flow through a robust