this model features automatic recycle (automatic reset)

while the stainless steel spring maintains consistent tension across its 250°F maximum temperature range

Durable Construction: Features a high-torque motor and robust blower housing to withstand continuous thermal cycling in high-efficiency water heaters

it operates efficiently within a pressure range of 5-50 PSI for steam and 5-150 PSI for hot water

Lochinvar & A.O. Smith 100208380 Pressure Switch 319825-402 this model features automatic recycleThe Lochinvar & A. O. Smith 100208380 Pressure Switch is a critical safety component engineered for precise combustion air proving in high efficiency boilers and water heaters. This OEM replacement part is factory calibrated to a 1. 05 inch water column (WC) set point, ensuring the integrated draft inducer or blower provides sufficient static pressure before the ignition sequence is initiated. Designed for compatibility with various Lochinvar Knight