Atc semitec 103atcg s185 10k 1 4 stainless steel temperature sensor atc semitec 103atcg 3p s185 a screw fit temperature sensor with a oslash 3 x 35mm 316 stainless steel probe and wide temperature range designed to be used with gas boilers boiler flues electric water heaters heat exchangers air conditioning systems and humidifiers atc semitec 103atcg 3p s185 10k m15 stainless steel temperature sensor