Pentair warranty for water filtration & softeners
The short version
Pentair doesn't cover everything, but keeps filter system and replacement cartridges covered to 1 year. That full coverage is the same as most of the 17 brands we compared, which typically cover nothing in full. You don't need to register to get this coverage.
From Pentair'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: NonePartial: to 1 year
- Partial coverageFilter system1 year
- Partial coverageReplacement cartridges1 months
Varies by model line
Pentair words its warranty differently for some lines. This page shows the least generous one.
- Under-sink, RO and point-of-use filtrationFull: None. Partial to 1 year
- Water softeners and whole-home (POE) systemsFull: None. Partial to 5 years
The fine print, decoded
What it leaves out
- Cracks
- Normal wear and tear
- Water damage
Good to know before you buy
- Labor and shipping costs are not covered.
- You need a Return Goods Authorization from Pentair before sending anything back.
- Covers the original home installation only.
- Media on well water is only covered for 1 year.
- Freezing damage is not covered.
How other brands compare for water filtration & softeners
- 1. GE Appliances44/100 · Full: 1 year
- 2. Morton44/100 · Full: 1 year
- 3. SpringWell40/100 · Full: None
- 4. Pelican Water35/100 · Full: None
- 5. Whirlpool35/100 · Full: None
Where you buy it matters
How long stores give you to return it
Longest return window first, for water filtration & softeners.
- CostcoMost itemsNo fixed deadline
- SupplyHouseMost items365 days
- Lowe'sMost items90 days
- The Home DepotMost items90 days
- WalmartMost items90 days
- Blain's Farm & FleetUpper Midwest storesMost items90 days
Show all 9 stores
- Ace HardwareMost items30 days
- Do it BestMost items30 days
- FergusonMost items30 days
From each store's published return policy, using its rule for water filtration & softeners where it has one. Member and holiday extensions aren't counted. Check yours before you buy.
Other things Pentair makes
- Pools & Pool Equipment32/100Full: 2 years. No partial coverage.
- Water Filters & Dispensers18/100Full: None. Partial to 3 years.
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