Interestingly, TVA/EPB/Lowes [7] never asked for our swaps (I threw all four oldtanks away).

[7] not Home Depot; AOSmith -eligible, not Rheem (can no longer edit abovepost)

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Didn't know about the gas disqualifier... or the great URL/reference (thanks)!

For future TVA homeowner installers: the website seems to indicate that you MUST use an approved contractor for the rebate — at least December 2025, in EPB/Chatt, this was not required: just had to go to Hixson Lowes and have them look up address and then paid (w/ delivery, not in-stock).

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Less than a decade ago, I helped install a 38kW [•] tankless/instaHot heater (¡¡¡ that's three 240v40a two-pole circuitbreakers !!!) into a beautiful new home. Homeowner is actively doing his part not maintaining the unit in eventual hopes of justify purchasing a new heatpump waterheater.

Godspeed.

[•] I think technically it's 28kW -rated (there's a consumer-installed limit, w/o boilermaker license), but the circuits support more w/o 80% derating applied