Hide Show Product DetailsSize (In)0.02 inFuel TypeNatural GasUsed WithQ380, Q314, Q327, Q345, Q362, Q3450, Q3451, Q3452, and Q373Description .020" Natural Gas Orifice. Orifice is stamped BCR20. 390686-5390686-5/UResideoSystem SensorGenesisHoneywell AnalyticsThermal SolutionsSalisburySelecta IncHoneywellSelectaFirst AlertBRKAube Customer Reviews Hide Show Write a Review