I'm not sure why you would use both a city water inlet and the tank and pump at the same time. If you have city water, and use it to flush the toilet, are you concerned about its quality as drinking water? I guess I can understand that, though an inline filter might do a lot of good.
As for an "orange hose" (what's that?), why not put the Y-splitter directly on the spigot, followed by your pressure reducer, followed by a white hose directly to your TM? I've seen that quite often, and no one seems to object. Wouldn't it get you the pressure you need at the toilet?
What am I missing?
Bill
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