The product is a variety of vintage air conditioner parts, including controls and circuit boards, compatible with Fedders and other brands. FSP 649122 4 position switch (New), ST-8K-B control board w/transformer, Dual switch for Fedders A/C A3X05F2B 5200 btu, Cold control for Fedders A3X05F2B 5200 btu. No returns.