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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Why choose magnesium over aluminum for A
Designed for R404A systems
Designed to run on both 50/60Hz
With a flow capacity of 23
or as a direct update for the Rheem 55-22319-28S and legacy CR53KQ-TFD-970 models
Lennox 91J88 Control Board 320734-701 Why choose magnesium over aluminumAs a seasoned technician, you know that a failing Lennox 91J88 Control Board is often the culprit behind intermittent ignition or irregular blower cycles. This ICM gas furnace control board is a high performance OEM replacement part designed to manage critical sequences, including ignitor warm up, gas valve timing, and inducer motor speed. Engineered for 120V and 24V applications, it integrates microprocessor based logic to ensure precise flame