Aprilaire 4739 Female Disconnect Assembly L99H008 This OEM microprocessor control board

This OEM microprocessor control board manages critical system logic

or a "failed closed" state which causes low suction pressure and potential evaporator freeze-ups

Optimized Airflow: The 11 1/8" x 10 5/8" footprint is engineered for specific static pressure requirements to ensure consistent heat exchange

Compatibility is based on the specific part list of your model

The Multi Products 5813C TB2000 is an OEM replacement 115V electronic time control designed for commercial HVAC

Aprilaire 4739 Female Disconnect Assembly L99H008 This OEM microprocessor control boardThe Aprilaire 4739 Female Disconnect Assembly is an essential OEM replacement component designed specifically for modern Aprilaire 700 series humidifiers. This relay wiring harness facilitates a secure electrical connection between the motor board and the internal components of models such as the Aprilaire 700A and Aprilaire 700M. Engineered for HVAC system maintenance, the assembly features 10 inch brown and yellow wires equipped with 3 16 inch spade