... water heater collector 1. for family use 2.OEM order 3.CCC ... Applications1) Domestic, industrial and commercial heating use 2) Suitable for open or closed Loop (glycol-water) ... Hotels, Schools, Public Showers/Kitchens , Restaurants 5) For large scale water heatingMain feature1) Reliable, efficient, ... Domestic and Commercial Use, DENO solar collector is ideal for both domestic and commercial use, and is ...