A tankless water heater is a very small but very powerful and extremely efficient electric water heating system. The tankless water heater, whose technology has earned 5 U.S. Patents and many more foreign patents, is much more than just a water heater.
MODEL RA-28
The RA-28 is the most popular residential model for the whole house and for commercial applications, such as specialty restaurants, convenience stores, hotels, pet grooming shops. A perfect back-up to Solar and Geothermal passive heat recovery systems and a powerful replacement for boilers and storage tanks used in Hydronic heating and Radiant Floor heating systems. (Minimum 200 AMP Whole House Electrical Service recommended)
MODEL RA-22
The RA-22 is ideal for the whole house, apartment or condominium dwelling, where the incoming water temperature rarely drops below 55 degrees F. Also, great as a back-up to passive heat recovery systems, excellent for split systems serving individual entities such as lavatories, shower/bath rooms and kitchens. Radiant Floor heating systems, spas and hot tubs. (Minimum 150 AMP Whole House Electrical Service recommended)
MODEL RA-18
The RA-18 is the perfect supplement to an existing water heater which is unable to satisfy user requirements. Ideal for the whole house, where incoming water temperatures rarely fall below 65 degrees F. Excellent for split systems serving lavatories, individual showers and kitchens.
Radiant Floor heating systems, spas and hot tubs. (Minimum 125 AMP Whole House Electrical Service recommended)
