Combined water heater and heat exchanger

摘要: A system for heating two independent water supplies having a storage tank adapted to contain first, potable supply and coiled heat exchange tube mounted within the conduct second, non-potable supply. The has top, bottom, wall, flue communicating between top bottom. is in communication with exterior of circulatory space system. double wall protect against mixing supplies, ends terminate at surface dielectric fitting which maintains electrical isolation dissimilar metals otherwise exposed water.