recirculation line

  1. DoctorPepper

    Recirculation Pump on Rinnai RU199en

    So I got my external tankless installed and the water heater out of the attic. So far, so good—very pleased with its performance. However, when I bought the unit (RU199en w/ "Circ-Logic"), I also bought a recirculation pump—the GTK03. I couldn't get that to work; I installed it with a crossover...
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