Water Filters & Dispensers: warranties compared
29 brands. We read every warranty so you don't have to. Checked through October 2026.
29 of 29 brands cover water filters & dispensers in full for one year or less. The longest full coverage is 1 year, from 4 brands. 25 brands keep some parts covered after full coverage ends, and 2 keep something covered for life.
Every brand, side by side
- 1Moen45/100Full: NonePartial: to lifetimePartial covers: System and faucet; System (commercial use); Filter cartridgeCheck your model's manual
- 2Whirlpool45/100Full: NonePartial: to lifetimePartial covers: Filtration system lifetime (with filter changes); Filtration system (excl. cartridges)Check your model's manual
- 3Culligan31/100Full: 1 yearPartial: to 5 yearsPartial covers: Internal plastic parts; FaucetCheck your model's manual
- 4Bunn26/100Full: 1 yearPartial: to 3 yearsPartial covers: Electronic control boards; Parts only
- 5Everpure23/100Full: NonePartial: to 5 yearsPartial covers: Filter heads and manifolds; Filter cartridgesCheck your model's manual
- 6GE Appliances21/100Full: 1 yearNo partial coverageCheck your model's manual
- 7InSinkErator21/100Full: 1 yearNo partial coverageVaries by model lineCheck your model's manual
- 8Cambro18/100Full: NonePartial: to 3 yearsPartial covers: Beverage dispensers (non-electric)
- 9Epic Water Filters18/100Full: NonePartial: to 3 yearsPartial covers: Bottle (not filters)
- 10Pentair18/100Full: NonePartial: to 3 yearsPartial covers: Everpure faucet; Filter system; Replacement cartridges
- 11Clearly Filtered15/100Full: NonePartial: to 2 yearsPartial covers: Bottle (not filters)
- 12Waterdrop15/100Full: NonePartial: to 2 yearsPartial covers: X Series reverse osmosis system; Reverse osmosis system
- 13Frizzlife14/100Full: NonePartial: to 18 monthsPartial covers: Filtration system; Fittings, housing and faucet
- 14PUR13/100Full: 3 monthsNo partial coverageVaries by model line
- 15ZeroWater13/100Full: 3 monthsNo partial coverage
From each maker's published warranty. “Unverified” means we couldn't confirm the terms on the maker's own site. How we rate warranties
What these warranties often leave out
- Normal wear and tear14 of 29 brands
- Leaks7 of 29 brands
- Water damage5 of 29 brands
- Cracks4 of 29 brands
- Scratches, dents and looks4 of 29 brands
- Accidental breaks and misuse2 of 29 brands
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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Questions shoppers ask
Which brand of water filters & dispensers has the best warranty?
On paper, Moen scores highest, with no full coverage but some parts covered to lifetime. Culligan covers everything longest, at 1 year.
Is a long warranty on water filters & dispensers really that long?
Often not for the whole product. Many longer warranties cover only certain parts after the first year or two, and you usually pay for the labor. The bars above show full and partial coverage separately.
Do I need to register to get the warranty?
3 of 29 brands require registration for some of their coverage, often within a set number of days. Keep your receipt either way.
Forward the receipt and I-BUY.AI tracks the return window and warranty for you.