Information only
Everything here is general information to help you choose and look after a tank water heater. It is not professional plumbing, gas, electrical, safety or legal advice. We have not tested the products we discuss; we summarize maker guidance, cost guides and code references, which can change without notice.
Follow the maker, the label and your local code
Always read and follow your water heater’s manual and the instructions that come with any part. Gas, venting, electrical and plumbing codes vary by location, and many places require a permit to replace a water heater. If a job involves gas lines, venting, wiring, or anything you are unsure of, hire a licensed professional.
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Changes
We may update these terms. Last updated October 29, 2026.