ii)Externalterminationviainternaldischargebranche.gsinkwastedownstream*
page20
11.Whendischargingcondensateintoasoilstackorwastepipetheeffectsofexistingplumbingmustbeconsidered.
IfsoilpipesorwastepipesaresubjectedtointernalpressurefluctuationswhenWC'sareflushedorsinksemptiedthenbackpressuremayforcewateroutoftheboiler
trapandcauseappliancelockout.
iii)Terminationtoadrainorgully
iv)TerminationtoapurposemadesoakawayFurtherspecificrequirementsforsoakawaydesignarereferredtoinBS6798.