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the 600552F is the official manufacturer-designated replacement for the legacy 388146AG part number
maintaining the original engineering specifications for system safety and airflow regulation
it simplifies retrofits and repairs where the existing wiring has degraded due to oxidation or heat damage
a 40VA transformer can safely replace a 20VA or 30VA unit
Lochinvar & A.O. Smith 100294585 Pressure Switch the 600552F is the officialWhen you're out on a service call and a high efficiency Lochinvar boiler or A. O. Smith water heater isn't firing, the 100294585 Pressure Switch is often the technical culprit. This 0. 68" WC pressure switch is a critical safety component designed to calibrate the air to fuel ratio by monitor differential pressure within the combustion chamber. As a direct OEM replacement part for the discontinued 100166118 and PRS20024, it ensures the inducer motor
