1. With intelligent controller.
2. Easy to install for flat roof and pitched roof, auxil
iary heating by electrical heater.
3. High pressure polyurethane foaming with thick
4. Stable and reliable performance, well wind resist
5. SUS304-2B inner tank, silicon seals.
6. SUS304-2B/BA outer tank, against rust and cor
7. Eco and economical, improves the environment
and save your fuel cost.