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this component features a factory-installed Over-Pressure Protection Device (OPD) to maintain downstream safety in systems with a 5 PSI max inlet pressure
cracked porcelain (on attached igniters)
positive pressure
Common indicators include erratic temperature readings on the digital display
Carrier LH660011 Control Board R-410A this component features a factory-installedThe Carrier LH660011 Ignition Control Board is a critical OEM replacement engineered for precise sequence management in Carrier furnace ignition systems. As a primary 24V HVAC control module, this board regulates gas valve timing, spark ignition, and flame sensing to ensure reliable combustion cycles and system safety. Designed to support both 50Hz and 60Hz frequencies, the LH660011 integrates seamlessly into the Carrier PG8HAA series and other
