Tankless water heater is a more and more popular and practical commodity, there are several factors can’t be ignored when you select the product. Its options mainly rely on the types, the capacity, use and maintenance.

The tankless water heater is widely application around world, it is an convenient acquisition of your comfortable life .There are several factors can’t ignore when you are choose the product .which can be displayed in the following aspects.

1, Fuel Type

There are two types of providing power; you have two selections between an Electric Tankless Water Heater and a Gas-Fired Tankless Water Heater. Gas-Type possess the advantage of a higher efficiency ,heating speed, temperature stability, continuous supply .while whose defect is that the user should have the temperature settled before shower and can not change it in the process of bathing. What’s more, it will waste a little cold water before the arriving of hot water .It is a wise choice for the custom form the low gas price area. Electric-Type share the advantage of longer life span, energy saving, safety, can also be hidden in the closet. Whose shortcoming is that, it must be warmed before shower? This type will be the big family and a low electric price area.

2, Capacity

The capacity of the tankless water heater measured with L, the bigger size, the more water will be provided. the capacity of the market varied :10L, 15L, 40L, 50L, 60L, 80L, 100L.The the custom who mainly used for bathing should choose more than 40L capacity,40 ~ 50L capacity is suitable for single ,50 ~ 60L capacity is suitable for double ,80～100L capacity is suitable for tripe ,the 120L or more will be the reasonable choice of 3 or more members family.

3, Use and maintenance

Firstly, the outlet must be opened when the tank injected with water, until it is sure that the air is completely released.

Secondly, the power must be cut off before the air is released thoroughly.

Thirdly, the inlet valves must be opened in the process of heating.

Finally, if the heater had been used for a long time and the Bosch is not cleaned in time, it incur a serious scaling and hard to heat adequately. it even trigger a incidents by partial rupture  time to time, so the water heater should be maintained once every year.