The L.B. White 574519 Air Proving Switch (Guardian 2.0, Short) is a reliable safety component engineered for L.B. White Guardian 60 2.0 and Guardian 250 2.0 heaters. This switch ensures your heater operates safely by confirming proper airflow before allowing the burner to ignite. Designed for durability and consistent performance, it helps protect your equipment and maintain safe operation in demanding environments.
Keep your L.B. White Guardian heater running efficiently with this genuine replacement air proving switch.
