... , 2.remote control,energy saving, 3.temperature displayer, 4.used for heating and hot water Model JLG18JLG20JLG24JLG30JLG40Rated heat inputkW1820243040Heating efficiency ... c. Suitable for different types of gas,rated gas pressure(Pa),LPG-2800,NG-2000,COAL GAS-1000;d. Environment friendly,CO( ... system including radiators, floor heating, fan coil wall hung gas fired boiler for heating and hot water