ZeroWater warranty for water filters & dispensers
The short version
ZeroWater covers water filters & dispensers in full for 3 months, with no partial coverage after that. That full coverage is longer than most of the 29 brands we compared, which typically cover nothing in full. You don't need to register to get this coverage.
From ZeroWater's published warranty, checked October 2026.
What's covered
Full coverage: everything, parts and laborPartial coverage: some parts only, you usually pay labor
Purchase5 yrs10 yrs+Full: 3 monthsNo partial coverage
- Full coveragePitcher vessel and TDS meter3 months
- Partial coverageFilter1 months
Good to know before you buy
- You need dated proof of purchase to make a claim.
- Filters are sent back for lab testing first; if no defect is found, you get the same filter back.
- Filter life is not guaranteed for any length of time or amount of use.
How other brands compare for water filters & dispensers
- 1. Moen45/100 · Full: None
- 2. Whirlpool45/100 · Full: None
- 3. Culligan31/100 · Full: 1 year
- 4. Bunn26/100 · Full: 1 year
- 5. Everpure23/100 · Full: None
Where you buy it matters
How long stores give you to return it
Longest return window first, for water filters & dispensers.
- CostcoMost itemsNo fixed deadline
- Sam's ClubMost itemsNo fixed deadline
- BJ's Wholesale ClubMost items365 days
- SupplyHouseMost items365 days
- Lowe'sMost items90 days
- TargetMost items90 days
Show all 15 stores
- The Home DepotMost items90 days
- WalmartMost items90 days
- AJ MadisonMost items30 days from delivery
- FergusonMost items30 days
- WayfairMost items30 days from delivery
- BrandsMart USASoutheast storesMost items30 days from delivery
- Nebraska Furniture MartMidwest and Texas storesMost items30 days
- P.C. Richard & SonNortheast storesMost items30 days
- Best BuyMost items15 days from delivery
From each store's published return policy, using its rule for water filters & dispensers where it has one. Member and holiday extensions aren't counted. Check yours before you buy.
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