MAS15 Mattira System Digital Modulating, Heating Only Electric Boiler. Also compatible with the Elnur Connected Range.Modulating electronic control of the heater by SEM system (Smart Electronic Modulating System)Circulating pumpHeating flow detector7 bar heating pressure relief valveFeatures:Wall mounted heating boiler made of insulated steelModulating electronic control of the heater by SEM system (Smart Electronic Modulating System)Stainless steel shielded elements INCOLOY 8006L heating expansion vesselDigital displayHydrometer 0-4barCirculating pumpAuto air ventSilent TRIAC power switchesHeating flow detectorHeating temperature limiter 100ºC7 bar heating pressure relief valvePowder coated RAL 9010 steel structureWall bracket steel template to set up connections easilyCompatible with Elnur ConnectCompatible with Underfloor heatingTechnical Specification:MODELMAS15Selectable Output kW34567891011121315kcal/h258034404300516060206880774086009460103201118012900Current 3 x 400 V+N~ A13.08.