Universal Input: Jumper-selectable inputs allow for seamless HVAC pneumatic control across diverse controller platforms

the Robertshaw 700-804 can be converted using a 1751-003 LP conversion kit

making it compatible with high-pressure R410A systems

The 89M87 is the direct cross of 1082067 and 89M8701

Reznor 214979 Ignition Board Refrigerant Universal Input: Jumper-selectable inputs allowThe Reznor 214979 Ignition Board is a critical direct spark ignition (DSI) controller engineered for precise gas fired combustion management in industrial and commercial heating systems. As the primary furnace control board for high efficiency models like the Reznor UDAP, UDAS, and PDH series, this OEM DSI integrated control regulates the entire startup sequence, including inducer motor verification via the pressure switch and timed gas valve