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The York S1-6555131 is a genuine OEM replacement part BOARD,CIRCUIT,SSE,ECONOMIZER. This circuit board is designed for economizer systems. It is a direct replacement for previous part numbers YORKS1-03103488000, YORKS1-03103662000, YORKS1-03103674000, YORKS1-03103674040, YORKS1-6150269, YORKS1-6023977, YORKS1-6421655, YORKS1-6434434.
Genuine OEM replacement circuit board for economizer systems.
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