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Plumbing warranties

There are three separate warranties in play on most plumbing jobs and they cover different things. The manufacturer's parts warranty covers the equipment itself. The contractor's labor warranty covers the installation. A home warranty or service contract is a paid repair plan, not a warranty at all. Terms vary by product and company, so get all three in writing for your specific job.

The gap that catches people is labor. A manufacturer may replace a failed tank at no charge for the part while you pay full price for the removal, disposal, and reinstallation. That's normal, and it's why the contractor's labor warranty term is a real differentiator between two otherwise similar quotes. Ask for it in writing, with the length stated in months or years.

Warranty coverage is commonly conditioned on correct installation and, in some cases, on registration and documented maintenance. That means the install quality you paid for is also what protects the coverage you were promised. Photograph the data plate, register the product if the manufacturer requires it, and keep a maintenance log.

Home warranty plans and service contracts are a different product. They are repair plans with coverage caps, exclusions, service fees per visit, and a contractor network you don't choose. Some homeowners get real value from them; many find the caps and exclusions bite exactly when a large item fails. Read the actual contract, not the brochure — especially the sections on pre-existing conditions, code upgrade exclusions, and dollar caps per item.

We deliberately do not list specific brand warranty terms here. Manufacturers change them, they differ by product line and by whether the unit was professionally installed, and a stale number in an article is worse than no number. Get the current warranty document for the exact model you're buying.

How to choose

Ask for the labor warranty in writing and in years
"We stand behind our work" is not a warranty. A stated term on the invoice is.
Register the equipment immediately
Some manufacturers condition full coverage on registration within a window after installation. Do it the day it's installed.
Get the model-specific warranty document
Terms differ by product line and sometimes by whether a licensed contractor installed it. Only the current document for your model is reliable.
Read a home warranty contract's caps and exclusions first
Skip the marketing. Go straight to per-item dollar caps, pre-existing condition language, and code-upgrade exclusions.
Keep the maintenance log
Where maintenance is a warranty condition, dated records are what get a claim approved.
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FAQ

Plumbing warranties — common questions

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The manufacturer's parts warranty covers the equipment. The contractor's labor warranty covers the installation work. A failed part under warranty can still leave you paying full labor to swap it, unless the contractor's labor coverage is still active.
It depends heavily on the contract. Coverage caps, per-visit service fees, exclusions for pre-existing conditions, and code-upgrade exclusions determine whether a big claim actually pays out. Read the contract before buying, not after a failure.
It can, depending on the manufacturer and the product line. Many warranties distinguish professionally installed units. Check the specific warranty document for the model before you install it yourself.
Check the paperwork for your model. Some manufacturers require registration within a set period for full coverage, and it's a two-minute task that's easy to skip and expensive to have skipped.

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