Richard WeedonFeb 281 min readVaillant Fault Code F.72F.72Fault: Flow/return sensor: Flow/return NTC temperature difference too great → flow and/or returntemperature sensor defective Landlord gas safety inspection Enfield, Potters Bar,Cheshunt, Ware, Hertford0 views0 commentsPost not marked as liked
F.72Fault: Flow/return sensor: Flow/return NTC temperature difference too great → flow and/or returntemperature sensor defective Landlord gas safety inspection Enfield, Potters Bar,Cheshunt, Ware, Hertford