for hard lockouts—often caused by repeated high-pressure switch trips or sensor failures—you must disconnect and reapply main power to the control board after verifying HVAC sensor accuracy

Integrated Logic: Consolidates ignition control and temperature monitoring into a single combined controller for streamlined wiring and system reliability

ranges depending on the specific model series

or the valve failing to open despite receiving 24V from the integrated furnace control board

Engineered with a 3/4" NPT connection and a rugged aluminum body

Belimo ECON-ZIP-BASE Economizer Base Unit 326058-756 for hard lockouts—often caused byThe Belimo ECON ZIP BASE is the foundation of the ZIP Economizer system, engineered to provide high efficiency air side economizing for Packaged Rooftop Units (RTUs). This base unit features a backlit LCD interface that facilitates intuitive setup, providing instant feedback for Title 24 compliance and IECC requirements. Designed for reliability in demanding environments, the controller accepts inputs from C7400S enthalpy sensors and manages