Description
The Heatco HMES2089-0658 Air Pressure Switch 1.3 0.06″ WC is an safety control component used in gas heating system to monitor airflow and draft pressure. It is installed within furnace combustion or venting circuits where it verifies that proper air movement is present before allowing burner operation. The switch responds to small pressure changes in the system, helping ensure safe ignition and preventing operation under restricted air flow conditions. It is commonly used in furnace assembly as part of the safety interlock system, supporting reliable combustion control and protection of the heat exchanger and venting equipment during operation.
