High efficient energy saving: the heater exchange and main burner adopt mostly advanced energy-saving and combustion technology to decrease gas consumption and burning noise；Low water-pressure start up: the water control linkage valve makes the heater start up under low water pressure and stable water flowing under high pressure to meet the requirements of those in water shortage areas and those living in high stairs；Manifold auto protection: for the sake of your safety；Ion flame inspection: to automatically shut down gas power under unrexpectable flame out.；Over water pressure protection function: to automatically decrease pressure under excessive high water pressure；20-Minute Timer: must equipped according to regulations, Power Off Automatically When Heater Opening Over 20 Minutes；Anti-freezing protection function: the anti-freezing apparatus can discharge the stock water to avoid damaging machine itself by freezing under cold areas or in case of long time no use；Controller design: both cold water and warm water can be properly controlled.
1. Must be installed by gasman.
2. Must be used under the condition of ventilation, ensuring the normal condition of the flue kit.
3. Please use and maintain the heater according to the manual.
4. Please check the gas connection regularly to ensure there is no leaking risks.