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Alert codes can typically be cleared through the Comfort Sense 7000 dealer menu or by cycling power to the indoor and outdoor units
it serves as a direct drop-in for part number HK61EA075 and several cross-referenced legacy boards
Always verify 24V at the valve terminals before condemning the part
Use a digital manometer for final verification
000 BTU input ratings
Lochinvar & A.O. Smith 100289433 Air Filter 321142-301 Alert codes can typically beThe Lochinvar & A. O. Smith 100289433 Air Filter is a critical 14x14x1 disposable air filter designed for high performance combustion air filtration in commercial and residential heating systems. Engineering grade media ensures optimal airflow while capturing airborne particulates that can foul burners or compromise blower motor efficiency. As a genuine OEM replacement part, this 14x14x1 HVAC filter maintains the factory specified pressure drop across
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