1) german heating technology heat exchanger.
2) on-demand hot water - never runs out.
3) special features easy to install, for sink, Bathroom use, washing machine, Good even for hotels kitchen also.
4) reduce water heating costs by as much as 50%.
5)far less likely to leak or rupture.
6) substantially reduces risk of scalding injuries to children and elderly.
7) required temperature to the nearest degree up to the output.
8) standard 1/2" water connection.
9) exclusive soft-line design.
10) less prone to hard water, sediment, or mineral problems.
12) long service life ! More than 15-20 years