Description
The Lochinvar & A.O. Smith 100288426 Pressure Switch 1.15″ WC is an operational control component used in gas-fired heating and water-heating equipment. It is used in compatible boilers, furnaces, and water heaters to monitor air or vent pressure conditions during system operation in HVAC systems. It is connected to the inducer and venting circuit and verifies that proper draft or airflow is present before allowing ignition to proceed. It helps to protect against improper combustion conditions, flue blockage, or failed draft induction within the system.
