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iSpring WCS45KG vs iSpring WCSTB45KG

Two of the water softeners in our best water softeners comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.

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#24 of 30 in Water Softeners

iSpring WCS45KG

1.1/10

Best for: 45,000-grain whole-house softener with a backwash feature

Check price at Amazon
#25 of 30 in Water Softeners

iSpring WCSTB45KG

1.1/10

Best for: 45,000-grain whole-house softener with automatic backwash

Check price at Amazon

Spec-by-spec comparison

Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.

SpeciSpring WCS45KGiSpring WCSTB45KGWeight
Grain capacityThe maker's published grain capacity. Missing values take the category minimum. 45000 gr 45000 gr 36%
Flow rateSystem flow the official page publishes in gallons per minute, labelled as service or peak in the details. UV-only flow figures are not scored. Missing values take the category minimum. Not listed Not listed 28%
WarrantyLimited warranty length the official page publishes, in years. Missing values take the category minimum. 1 yr 1 yr 20%
NSF/ANSI 44 namedYes when the official page names NSF/ANSI 44 (or WQA certification to 44). Unstated counts as no. No No 16%
Grain capacity (maker)45,000 grain capacity (official product name)45,000 grains (official product name)info
Flow rate (maker)Not listedNot listedinfo
NSF/ANSI 44 (maker)Not listedNot listedinfo
Warranty (maker)1-year manufacturer warranty (official page)1-year manufacturer warranty (official page)info
Features (maker)Not listedAutomatic backwash and regenerationinfo
HydroPick score1.1/101.1/10100%

Where each one comes out ahead

iSpring WCS45KG

No scored spec where it is strictly ahead; its case rests on the strengths below.

What we like

    Watch out for

    • Flow rate not published by iSpring
    • Lowest warranty in this comparison (1 yr)

    iSpring WCSTB45KG

    No scored spec where it is strictly ahead; its case rests on the strengths below.

    What we like

      Watch out for

      • Flow rate not published by iSpring
      • Lowest warranty in this comparison (1 yr)

      Verdict

      Two iSpring 45,000-grain whole-house softeners with official 1-year warranties and backwash features. Neither official page we used publishes a system GPM figure or names NSF/ANSI 44.

      iSpring WCS45KG on AmazoniSpring WCSTB45KG on Amazon
      Spec sources

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