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Do they still make water heaters/tanks like the blue one in the picture? It's being heated by hot water coming from a separate gas furnace. I believe it is essentially a heat
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Gas Furnace Water Heater 24" Thermocouple White Rodgers A.O.Smith H06E-24 TC-K24 | eBay
:max_bytes(150000):strip_icc()/Gas-Furnace-and-Water-Heater-86517326-576e8f253df78cb62c22474c.jpg "How to Test a Furnace Pressure Switch")
How to Test a Furnace Pressure Switch
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Water heater backdraft(?) when furnace is running. Please help : r/hvacadvice
