and M8415 series

ensuring the system operates within its engineered parameters in both heating and cooling modes

as long as the motor pulley accepts an A-section (1/2" wide) belt and requires a 36" circumference

self-correcting safety mechanism once the unit cools to safe operating parameters

Reznor 195573 Control Borad Freon and M8415 seriesEnsure your terminal to terminal communication remains flawless with this genuine Reznor 195573 Direct Spark Ignition (DSI) board. Engineered specifically as a central HVAC control board for gas fired unit heaters and air handlers, this component acts as the primary microprocessor "brain," managing critical ignition sequencing and safety lockdowns. This specific iteration includes an integrated cooling relay, providing specialized logic for units