York S1-129201 Expansion Valve 323055-751 Efficient Combustion: Specifically designed for
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Description
York S1 129201 Expansion Valve 323055 751 Efficient Combustion: Specifically designed for Efficient Combustion: Specifically designed for 90+ 2 stage furnaces to safely purge the heat exchanger and prevent carbon monoxide buildup Optimized Performance: The 1075 RPM speed rating provides the high velocity air movement required for effective climate control in multi zone systems