Weil McLain 386-902-006 High Limit Control

The Weil McLain 386-902-006 High Limit Control is a safety equipment in commercial systems. It is used specifically in boiler and hydronic heating systems to monitor and adjust temperature and alerts the heating unit if water or system temperature surpasses a provide level in HVAC systems. The safety system shuts off the heating cycle in order to avoid overheating the system. Protecting the internal systems from damage. It is an essential control part that works in conjunction with burners and control circuits to ensure a secure and smooth performance of the commercial heating system.