2 sentences

1. 请帮我把热水器打开。

   qǐng bāng wǒ bǎ rè​shuǐ​qì dǎ​kāi.

   Please turn on the water heater for me.

   Source: Dong Chinese Dictionary

2. 这种热水器利用太阳能来加热水。

   zhè zhǒng rè​shuǐ​qì lì​yòng tài​yáng​néng lái jiā rè​shuǐ.

   This water heater uses solar energy to heat water.

   Source: Dong Chinese Dictionary