Heil Quaker ICP 1183390 Heat Exchanger Kit 318973-401 How do I interpret the

How do I interpret the diagnostic red light on the board

Does the ARM provide signal isolation

This specific model is configured with No Pre-Purge (NoPP)

this is a mechanical rebuild kit containing the core

5-ton TXV features a balanced port design to maintain precise superheat control across varying load conditions

Heil Quaker ICP 1183390 Heat Exchanger Kit 318973-401 How do I interpret theThe Heil Quaker ICP 1183390 Heat Exchanger Kit is a critical OEM furnace replacement part engineered for high efficiency thermal transfer in International Comfort Products (ICP) heating systems. As a veteran grade HVAC heat exchanger kit, the 1183390 is manufactured to withstand the rigorous expansion and contraction cycles that typically lead to stress cracks in substandard aftermarket cells. This genuine replacement ensures factory spec furnace heat