Note:
1. All of the sizes of the gas inlet, water inlet and water output are G thread 1/2", you may need to buy G thread 1/2" to NPT 1/2" addapter.
2. Empty the tank's water after using when the air temperature is below 0℃ of diuse will last for a long time. Or the pipe and tank may be frozen and get damaged.
3. When water pressure is above 0.025Mpa, the ignition is automatically executed when open the hot water valve. For the newly installed water heater, the gas pipe might be filled with air and cannot be ignited for the first time. Please repeat on&off to exhaust the air until water heater is finally ignited.
4. In some place, the water pressure may be too strong and thus water can not be heated. In this case, please turn down the water-in valve.
5. Water heater automatically shuts off when water temperature is above 77ºC,Re-start water heater later when water becomes cooler.