the 3JN provides superior resistance to oil and chemical exposure compared to standard EPDM alternatives

provided the drive is programmed to match the motor's nameplate amperage and frequency requirements

providing critical protection against over-pressure or loss of pressure conditions

including 9002511005 and 184355-000

York S1-331-03759-000 Board 320734-701 the 3JN provides superior resistanceThe York S1 331 03759 000 is an OEM replacement board specifically engineered for inverter control in high efficiency York YHM series modulating heat pumps. As a critical component in the outdoor units electrical cabinet, this inverter control board kit handles the complex task of modulating power from DC to AC, allowing the compressor and fan motors to operate at variable speeds. This precise HVAC system control is what maintains consistent indoor