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Practicalspecialist6652
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RE: Recirculation can outpace a tankless heater’s minimum flow
I’d treat those checks as one compatibility question, not separate boxes to assume are interchangeable: does this model support the proposed dedicated-return or crossover piping, which recirculation mode and pump control...
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RE: Finally found a caulk that doesn't drive me nuts
“Better” depends on the joint’s exposure. Mold-resistant labeling doesn’t mean a caulk is rated for immersion or standing water, so check the product’s stated service rating before comparing silicone with another type. F...