Suburban Furnace Limit Switch 232503 (SF-20/ SF-20F/SF-20Q)Compatibility: Suburban Furnace SF-20 20F (ABOVE SERIAL NO. 921403895) SF-20Q 20FQ ID COLOR CODE DOT (RED)Suburban Furnace Limit Switch 232503 (SF-20/ SF-20F/SF-20Q)$14.99PriceQuantity*Add to Cart