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Water Filtration System Parts

Reliable System parts keep your water filtration setup running at its best. From small seals to advanced electrical components, each part plays a role in maintaining water flow, pressure control, and filtration accuracy. Over time, wear and tear can affect valves, housings, and fittings, which makes timely replacement important. Choosing compatible components helps extend system life and protect your investment.

About Our System Parts

Our collection includes water softener heads, riser tubes, distributor baskets, pressure gauges, and power adapters designed for filtration and treatment systems. You will also find O-rings for various housing models, reverse osmosis booster pumps, storage tanks, and pressure protection valves. Ultraviolet system ballasts and replacement lamps are available to support disinfection performance. For countertop and under-sink systems, faucet adapters, fittings, and stainless steel connectors offer secure installation. Every component is selected to meet standard sizing and performance needs across many filtration brands.

Each product listing highlights availability, reviews, and compatibility details to help you make confident decisions. With hundreds of parts in stock, finding the right replacement becomes straightforward. Whether you are upgrading a softener valve or replacing a worn gasket, quality components restore proper function.

Why Choose iFilters for System Parts?

iFilters offers a wide selection of system parts backed by consistent inventory and dependable shipping. Clear product descriptions and model references make it easier to match parts with your system. Competitive pricing supports both residential users and professional installers. Customer feedback and ratings add helpful insight before purchase.

Shop system parts online today!

Original price $5.29 - Original price $5.29
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Light-Duty Bracket. Fits Hydronix HF2, HF3 Slim Line Housings. Fits All 10" and 20" Slim Line housings from Flowmatic, Pentek, Watts, Liquatec, Hyd...

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Original price $25.99 - Original price $25.99
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FLOWLOK Safety Kit – Leak Protection for Water Filters (FLK-KIT 1/4" or FLK-KIT38 3/8") FLK-KIT | FLK KIT38 FLOWLOK Safety Kit – Ultimate Leak Prot...

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Original price $8.99 - Original price $8.99
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Pro+Aqua 3/4" Garden Hose Quick Connect Fittings, Easy Water Hose Attachments

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Original price $1.21 - Original price $1.21
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HDF-FF04 1/4" Tube x 7/16" - 24 UNS Faucet Fitting

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Original price $11.20 - Original price $11.20
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Polaris Scientific UV-39SPRING – Stainless Steel Spring for Polaris UV Systems The Polaris UV-39SPRING is an OEM replacement stainless steel spring...

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Original price $0.25 - Original price $0.25
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Hydronix HDF-LC04R 1/4" OD Quick Connect Locking Clip The Hydronix HDF-LC04R is a high-quality locking clip designed to secure 1/4" OD Quick Connec...

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Original price $9.98 - Original price $9.98
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Hydronix SPV-40CAPORING - Cap O-Ring for 4" SPV RO Vessel OEM Replacement O-Ring for Hydronix 4" SPV Stainless Steel RO Pressure Vessels The Hydron...

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Original price $53.00 - Original price $53.00
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Hydronix PFM-216 Flowmeter has easy to read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece Injection Mol...

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Original price $53.00 - Original price $53.00
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Original price $69.95 - Original price $69.95
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The Hydronix IFM-220 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece ...

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Original price $69.95 - Original price $69.95
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Original price $36.00 - Original price $36.00
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The PT04-YL-0500 Yellow Polyethylene tubing is manufactured from top quality, low density materials. The PT04-YL-0500 is ideal for a variety of use...

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Original price $0.48 - Original price $0.48
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The CLP-2525W 2.5" X 2.5" Double Clip for Membrane Housings is a replacement filter clip that is constructed out of polypropylene, making it strong...

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Original price $1.54 - Original price $1.54
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The Hydrofit HDF-PE0404 1/4" Stem x 1/4" Tube Plug In Elbow are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide a...

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Original price $199.99 - Original price $199.99
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The Hydronix SPV-4040-12 4" x 40" Stainless Steel Pressure Vessel is designed for use in commercial reverse osmosis, nanofiltration and ultrafiltra...

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Original price $26.80 - Original price $26.80
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The HF4-20WHWH38 is a 20" White Body housing with a White Flat Cap and 3/8" port. This housings has Double O-Rings. Uses any brand of standard 2.5”...

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Original price $26.80 - Original price $26.80
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Original price $1.80 - Original price $1.80
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The Hydrofit 1/2" Quick Change Tube x 1/2" MNPT Fixed Elbows are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide ...

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Original price $1.80 - Original price $1.80
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Original price $38.99 - Original price $38.99
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2 Pack 18" Corrugated Stainless Steel Flexible Water Line with 1" NPT Port. These bendable flex hoses allow for easy installation for Water Softene...

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Original price $19.50 - Original price $19.50
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Hydronix PG25100B – 0-100 PSI Water Pressure Gauge, 2.5" Stainless Steel, 1/4" Port The Hydronix PG25100B is a high-quality, UV-resistant water pre...

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Original price $19.50 - Original price $19.50
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Original price $37.95 - Original price $37.95
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Polaris Scientific GL14SE4P – 14W Ultraviolet (UV) Replacement Lamp for UV-2C Systems The Polaris Scientific GL14SE4P is a high-quality germicidal ...

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Original price $37.95 - Original price $37.95
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Original price $14.95 - Original price $14.95
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This high-quality iFilters icemaker / Water kit will provide you with clear and sparkling ice cubes and drinking water at your refrigerator by rout...

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Original price $14.95 - Original price $14.95
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Original price $94.99 - Original price $94.99
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Aquatrol AT-0948BK-25T 9 x 48 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

Original price $94.99 - Original price $94.99
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Original price $1.21 - Original price $1.21
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HDF-FF06 3/8" Tube x 7/16" - 24 UNS Faucet Fitting

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Original price $1.57 - Original price $1.57
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Replacement O-Ring for the Hydronix MH03 Membrane Housings Cap. Made from durable EPDM material. This O-Ring is for use on the housing Cap. For the...

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Original price $1.57 - Original price $1.57
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Original price $32.97 - Original price $32.97
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Hydronix IFM Inline Series Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece I...

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Original price $32.97 - Original price $32.97
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Original price $54.55 - Original price $54.55
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Hydronix AFM Series Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece Injectio...

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Original price $54.55 - Original price $54.55
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