I'm (was) considering one of these units. Is the basic problem with blown fuses, not enough flow?. With adequate flow are they reliable?
Also, using the sizing chart it recommends a 1/2hp for my water volume (450g). But that is with a 10 degree pull down. I could get by with a 5 degree pull down. Would the 1/4hp work, or would it be cycling on/off too fast?
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