About this item: Brand: AGNI Model:WGH-777 Gaz type: LPG Rated heat load of water efficency(%):84% Water floe (l/min):10 Rtaed power: 20 KW The maximum gaz flow: 0.73 m/h Gaz pressure:2800 Pa Oxygen free copper heat exchanger, environment friendly, high efficiency and durable service Low water pressure start Flame off protection device Fitted with over heating protection Summer & winter option UP TO SAVE 80% MON YOUR ECTRICITY BILL Designed in Spain 20mins off timer