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Continue to ChatYork JG/JS, Discharge Valve Assembly, 664-42718-000, 664-48785 https://samcoengineeringinc.com/product/york-jg-js-discharge-valve-assembly-66442718000-66448785/
York JG/JS, Discharge Valve Assembly, 664-42718-000, 664-48785 https://samcoengineeringinc.com/product/york-jg-js-discharge-valve-assembly-66442718000-66448785/