Thermal Integrity: Class F rated construction handles high ambient heat

Is the 12784 compatible with both 50Hz and 60Hz systems

Always check the localized parts list for your specific serial number

Universal Compatibility: Standard terminal arrangement allows for direct integration into existing relay sockets from IDEC and other major manufacturers

Can I use a 440V capacitor to replace this 370V MARS 12894

Heil Quaker ICP 1172839 Interface Board Refrigerant Thermal Integrity: Class F ratedThe Heil Quaker ICP 1172839 Interface Board serves as a critical control component for managing furnace and air handler operations within ICP, Heil, and Tempstar residential heating and cooling systems. This OEM replacement part facilitates essential communication between the thermostat and internal components, regulating HVAC blower motor timing and ignition sequences. Built for 24 volt control circuits, the 1172839 control board is engineered to