Marvair 70947 Control Board 320720-756 technicians rely on this OEM

technicians rely on this OEM Lennox furnace part to resolve issues with "lazy" pilot flames or erratic ignition sequencing caused by carbon buildup or internal erosion of the orifice bore

ensuring seamless integration with your DDC controller or command relay interface

the bolt-on design ensures a low-resistance connection that prevents arcing and overheating compared to standard plug-in models

This kit includes all necessary hardware and high-temp gaskets required for a standard circulator pump installation

When the system detects temperatures exceeding the 125°F threshold

Marvair 70947 Control Board 320720-756 technicians rely on this OEMThe Marvair 70947 Control Board is the central diagnostic and operational hub for high efficiency Marvair HVAC systems, including MAH and MGH vertical wall mounted units. As a veteran grade OEM replacement control board, this component is engineered to manage critical HVAC system functions such as compressor sequencing, low ambient fan cycling, and lead lag logic. It features an integrated diagnostic LED to assist technicians with rapid fault