28kw most efficient lpg boiler

{"cid":"91190016","title":"Vertical High Efficiency Gas Boiler , LPG Combi Boiler For Room Heating","imgUrl":"https:\/\/img.ismap.com\/nimg\/d2\/df\/a327b36c86e89f2d0507508bb565-200x200-1.jpg","attrs":{"Price":"USD250PCS","Brand Name":"Dongyuan","Model Number":"L1PB24-NA","Minimum Order Quantity":"Negotiable","Delivery Time":"15-30 work days","Certification":"ISO14001,ISO9001,OHSAS18001","Place of Origin":"China,Shunde","Payment Terms":"T\/T, Western Union","Supply Ability":"10000PCS\/Month","Packaging Details":"Each product in plastic bag which comes with the product instructions and foam packaging, then carton packaging outside with another thicker plastic bag.","Heat input":"16-26KW","Gas Type":"NG,LPG","Heat Exchanger":"one heat exchanger","Protection function":"Overheat Protection,Anti-freeze Protection","Thermal Efficiency":"88%-94%","Temperature of water":"30-80\u2103","Water pressure for heating and hot water":"0.03-0.8Mpa","Exhaust type":"Forced exhaust","Packing dimention":"800*395*384","Weight":"28kg"}}

{"cid":"91221159","title":"Home Instant Wall Mounted Gas Combi Boiler 20 - 28kw Combination Central Heating Boilers","imgUrl":"https:\/\/img.ismap.com\/nimg\/9f\/4b\/a0be165fcb18d44cf4905141567b-200x200-1.jpg","attrs":{"Brand Name":"Vanka","Minimum Order Quantity":"1 sets","Delivery Time":"30 days","Place of Origin":"Guangdong, China","Smoke Extraction Method":"Balanced Type","Housing Material":"Powder Coating","Certifications":"CE","Controls":"Digital Display","Volume (Litre)":"20Kw-40 Kw","Color":"white","Thermostat":"Wall Mounted"}}

{"cid":"91220883","title":"White Multi Function LPG Gas Boiler Water Heater Heating 28KW 14L","imgUrl":"https:\/\/img.ismap.com\/nimg\/6a\/b4\/165b907602a19cfd1ecaf644a7af-200x200-1.jpg","attrs":{"Brand Name":"CAPET","Model Number":"\/","Minimum Order Quantity":"100Pcs","Delivery Time":"4-7 Days","Certification":"\/","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"35000PCS\/Month","Packaging Details":"Product Size:740*410*313MM; Packing Size:825*470*385MM,Packing In Carton","Features":"Safety","Heating Reference Area":"\u2264200\u33a1","Max Water Flow":"165L","Rated Hot Water Input":"28KW","Condenser":"Yes","Waterproof level":"IPX 4","Max Electeic":"140W","Exhaust Type":"Forced Exhaust"}}