Storage / Tankless:Instant / Tankless Installation:Wall Mounted Housing Material:Stainless Steel Certification:UL,CE,GS,EMC,RoHS,ISO9001,UR,CB,SASO,CSA,EMF,LFGB Power (W):24000 Voltage (V):220 Item:2016 Hot sale gas boiler for house heating Usage:heating and DHW Exhaust Way:Forced Exhaust Display:LCD Gas Type:NG or LPG Exchanger:1 Exchanger or 2 Exchagers available Input power capacity:18-40KW Advantage:Condensing Show More