Thank you for the analysis using your guest bath as the experiment. Only 10 quarts? That’s surprises me. I’ve not calculated the volume of water in, say, 75’ of 3/4” PVC pipe. When we stayed in a lifestyle villa in Kirsten Villas recently, it certainly seemed longer than two minutes to start a warm shower in the master shower.
At the end of the day, I may not engage the pump. It was an expensive upgrade; that’s certain. But isn’t it better to have it and not need it than to eventually want it and not have it?
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