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)
Specifications
Size
15 3/4" X 15 3/4" X 6 1/4"
Weight
23 lbs.
Heating Output (max.)
95,560 BTU/hr
kW
28
V
240
A (max)
116
Heating Elements
4 X 7000w
kg-cal/min
400
Energy Factor
99+%
Temperature Output (dial)
90-130°F. Factory setting is 120°F
Peak Flow Rate (48°F Rise)
4.0 GPM
Peak Flow Rate (64°F Rise)
3.0 GPM
Peak Flow Rate (76°F Rise)
2.5 GPM
Peak Flow Rate (95°F Rise)
2.0 GPM
Features
Benefits
Energy Efficient
Significantly cuts the cost of energy used to provide hot water.
Space Saving
Eliminates the tank heater and saves valuable space in your home or business
Money Saving
Pay for hot water only when you need it.
Safety & Health Benefits
Built-in leak detection & an alarm; continuous venting
No Maintenance
Rust & corrosion free; high performance polymer nylon chamber material; no moving parts.
