iSpring UVF55FS Whole-House UV (12 gpm) review

By Daryna Klochko · Published · Specs checked Oct 14, 2026 ·
iSpring UVF55FS Whole-House UV (12 gpm)
iSpring UVF55FS Whole-House UV (12 gpm)
9OF 10
Excellent
Listing 1.5 · Specs 2 · Cost/yr 2 · Warranty & returns 1.75 · Owner reviews 1.75 · How we score
Verdict

Scores 9/10, tied for 3rd of the 5 UV systems we track. At $338.99 it is the cheapest of the 5 UV systems, against a category median of $829. No certifier listing was found for it. Its cartridge cost of about $80 a year is the lowest of the 5 UV systems with a stated cartridge cost.

Best for

A tight budget: $338.99, the cheapest of the 5 UV systems

Skip if

A long warranty matters: 1 year, under the 10-year category median

Price
$338.99
Certified for
None found
Flow
12 gpm
Cartridge life
Not stated
Cost per year
$80
Warranty
1 year with registration

Certification

No listing found

No certifier listing found.

The contaminants or other substances removed or reduced by this water treatment device are not necessarily in your water. Listing checked on Oct 14, 2026. What a listing means and what it doesn't

Specs and sources

Checked Oct 14, 2026 · all from ispringfilter.com
Filtration
Certification No listing found (checked Oct 14, 2026) ispringfilter.com
Flow rate, brand figure 12 gpm (iSpring figure) ispringfilter.com
Cartridges and install
Cartridge life UV lamp 9,000 hours, about a year (iSpring figure) ispringfilter.com
Cartridge price $79.99 UVB55FS lamp a year; the quartz sleeve is cleaned every 6–12 months ($41.99 to replace) ispringfilter.com
Cost per year About $80 a year in cartridges at the brand's price ispringfilter.com
Install On the main line after your other filters, 1" MNPT; needs a 120 V outlet ispringfilter.com
Buying
Price $338.99 (checked Oct 14, 2026) ispringfilter.com
Warranty 1 year with registration ispringfilter.com
Returns 30 days ispringfilter.com
Brand page

Warranty, returns and shipping

Warranty 1 year with registration
Returns 30 days
Shipping Not stated

Warranty: 1 year with registration. Returns: 30 days. Shipping: not stated by the brand. Source: ispringfilter.com, checked Oct 14, 2026.

Source: ispringfilter.com, checked Oct 14, 2026.

Compared with similar UV systems

iSpring UVF55FS Whole-House UV (12 gpm)THIS MODEL
Certified for: — · Warranty: 1 year with registrationScore 9/10
$338.99 Check price →
Certified for: — · Warranty: 3 yearsScore 9/10
Certified for: — · Warranty: 10 yearsScore 9/10
Certified for: — · Warranty: 10 yearsScore 9.25/10
$1,179.95 Check price →
Certified for: — · Warranty: 10 yearsScore 9.25/10
Similar models compared: price, certified for, cost per year, warranty, score.
ModelPriceCertified forCost per yearWarrantyScoreWhere to buy
iSpring UVF55FS Whole-House UV (12 gpm)THIS MODEL $338.99—$801 year with registration 9/10 Check price →
PURA UV20-2 SD Two-Stage UV System (8–10 gpm) $729—$1433 years 9/10 Check price →
VIQUA VH410 UV System (18 gpm) $829—$15810 years 9/10 Check price →
US Water Systems Pulsar UV Disinfection System (10 gpm) $1,179.95—$11110 years 9.25/10 Check price →
VIQUA PRO10 UV System (10 gpm) $3,175—$15510 years 9.25/10 Check price →
Daryna Klochko

Affiliate links

$338.99
Checked Oct 14, 2026
Check price at iSpring
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