Electric (Tank) Water Heater Brands/Versions

[thinkxingu]

I noticed my water heater has galvanic corrosion on the inlets the other day. Given that it's 7+ years old and that I need a few other plumbing fixes, I'm planning on replacing it all at the same time.

1. Getting anything more than the single 220V wiring there is cost-prohibitive (finished basement), so an on-demand unit is almost positively out (they need multiple breakers/feeds?).

2. Because it's in a closet with a height limit and no condensate drain, a hybrid/heat-pump unit is almost positively out.

3. Given 1 & 2, I'm looking at a replacement tank. 50-gallon, as we like tubs.

Any feedback on brands? I'm looking hard at the Rheem Marathon as it has a "lifetime warranty," but the Rheem Gladiator and a few other brands are certainly options.

Thoughts?

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