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International Comfort Products PHAD36N1K1 Ignition Control Board
The purpose of the ignition control board is that it has control over gas intake, the ignition timing and the flame sensing circuits. The ignition control board was always an important safety device that, in most cases, has become a part of the main control board for safety reasons.
Important hints your ignition control board will eventually need to be replaced
- The electrical signal from the thermostat does not get to the main board
- Any other problem attached to the system is looked at and turns out to be a-OK
- The main ignition cycle does not launch even when the thermostat kicks it on
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