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Glenn Fleishman /
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2023-10-29 16:59:19

Glenn Fleishman on Nostr: A tankless water heater mystery. My spouse said she has noticed that in the evening, ...

A tankless water heater mystery. My spouse said she has noticed that in the evening, the hot water tap produces hot water after about 30 seconds; in the morning, it's just a few seconds. We have a natural-gas furnace that kicks in the morning (I'm disabling that feature soon), but a heat pump provides 90% of our heating. Neither the furnace nor heat pump are connected to the hot water pipes, and we don’t heat the basement, where the copper piping is largely exposed. Ideas?!
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