Thermocouple 104146-02 104146-01 Dayton Master Reddy Desa LP Heater 18" THERMOCOUPLE REPLACES DESA PART NUMBER 104146-02 104146-01 Alternate Part# 104146-01, 10414601, 104146 01, 10414602 Fits Models: Reddy: RLP30, RLP50VA, RLP100A Remington: REM30LP, REM50PVA, Master: BLP30, BLP42, BLP50VA, BLP100A