Lochinvar & A.O. Smith 100112850 Pressure Switch 0.85" WC

The Lochinvar & A.O. Smith 100112850 Pressure Switch .85" WC is a sensing component used to monitor and control air or gas pressure levels within heating and water heating systems. It is applied in HVAC Systems such as boilers, water heaters, and combustion-based heating equipment, where accurate pressure verification is required for secure operation. It operates by detecting differential pressure and opening or closing an electrical circuit when the set point is reached. It is installed within the air or venting assembly to monitor airflow or draft conditions. By ensuring correct pressure levels.