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Watts 415

Reverse osmosis system

Watts 415 4-Stage RO Replacement Filters

This Watts system is a 4-stage system with two filter housings vertically and the membrane and post-filter mounted horizontally on top. Replace all filters except the membrane once a year. The membrane is replaced once every 2-3 years depending on your incoming water quality.

See the replacement schedule

Compatible parts

Everything that fits the Watts 415

Ready Water RW-SED2510050 5-micron sediment filter, direct replacement for 93023 and PX05-9 7/8
Ready Water
Ready Water RW-SED2510050 Sediment Filter 5 Micron 2.5" x 10"
(89)
$8.99$12.99
Meets FDA requirements for food and beverage contact
Omnipure OMB934-5m 5-micron carbon block filter for standard 10-inch water filter housings
Omnipure
Omnipure OMB934-5m Carbon Block Filter 5 Micron 2.5" x 10"
(83)
$14.99$18.74
Reduces chlorine, taste and odor
NSF Certified performance
USA made compression molded
2.5" Drop-in carbon block element
AXEON TF - 1812 - 50 Reverse Osmosis Membrane 50 GPD 200359 200359 - ESP Water
AXEON
AXEON TF-1812-50 Reverse Osmosis Membrane 50 GPD 200359
(10)
$44.49$53.64
Thin Film Composite (TFC)
Omnipure K2533 inline GAC T33 carbon filter, 2 x 10 inch
Omnipure
Omnipure K2533 GAC T33 Granular Carbon Inline Filter 2" x 10"
(56)
$15.99$19.99
Reduces chlorine, taste and odor
NSF 42 Certified
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Replacement filter info

Your replacement schedule

Each stage of the Watts 415, the exact part that fits it, and when to change it.

  1. Stage 1: Sediment filter

    Part RW-SED2510050, Ready Water RW-SED2510050 Sediment Filter 5 Micron 2.5" x 10" $8.99

    Every 6–12 months

  2. Stage 2: Carbon block filter

    Part OMB934-5m, Omnipure OMB934-5m Carbon Block Filter 5 Micron 2.5" x 10" $14.99

    Every 6–12 months

  3. Stage 3: RO membrane

    Part 200359, AXEON TF-1812-50 Reverse Osmosis Membrane 50 GPD 200359 $44.49

    Every 2 years

  4. Stage 4: Post carbon filter

    Part K2533-KK, Omnipure K2533 GAC T33 Granular Carbon Inline Filter 2" x 10" $16.99

    Every 6–12 months

Manuals & instructions

Manuals and guides

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