Four Chamber Models

   With computerized technology and space age polymers (developed by DuPont), abundant, continuous hot water is achieved through advanced mechanical and electrical design circuitry.

SEISCO RA-28
The RA-28 is the most popular residential model for the whole house and for commercial applications.

SEISCO RA-18
The RA-18 is the perfect supplement to an existing water heater which is unable to satisfy user requirements.