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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 $60.00 - Original price $60.00
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NSF Certified 4.5 Gallon (3.2 Draw-down) Reverse Osmosis Water Storage Tank. Lead, brass and copper are banned for use in purified/drinking water. ...

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Original price $60.00 - Original price $60.00
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Original price $284.50 - Original price $284.50
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$284.50
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Current price $284.50

The Hydronix IFM-2060 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. The IFM-2060 ha...

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Original price $284.50 - Original price $284.50
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$284.50
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Current price $284.50
Original price $6.40 - Original price $6.40
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$6.40
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Current price $6.40

1/4" Drain Saddle for use with Reverse Osmosis systems. Compatible with all standard RO systems using 1/4" tubing including US Water RO Systems, US...

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Original price $6.40 - Original price $6.40
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$6.40
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Current price $6.40
Original price $131.65 - Original price $131.65
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$131.65
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Current price $131.65

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 $131.65 - Original price $131.65
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$131.65
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Current price $131.65
Original price $1.90 - Original price $1.90
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$1.90
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Current price $1.90

The Hydrofit HDF-SRT0404 1/4" Tube x 1/4" Tube x 1/4" Stem are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide al...

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Original price $1.90 - Original price $1.90
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Original price $10.50 - Original price $10.50
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Significantly enhance the life of your RO Membrane with the NSF iFilters Flush Valve. This flush valve provides a bypass to purge contaminates in t...

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Original price $10.50 - Original price $10.50
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Original price $51.97 - Original price $51.97
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Current price $51.97

The Hydronix HF45-20BLBK34 20" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. It is made of ...

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Original price $51.97 - Original price $51.97
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Original price $149.99 - Original price $149.99
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$149.99
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Current price $149.99

Hydronix SPV-4021-12 Stainless Steel Membrane Housing – 4" x 21", 1/2" Ports The Hydronix SPV-4021-12 is a high-quality stainless steel pressure ve...

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Original price $149.99 - Original price $149.99
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Original price $14.75 - Original price $14.75
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$14.75
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Current price $14.75

Polaris Scientific QS14 Replacement Quartz Sleeve for the UVA-2C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...

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Original price $14.75 - Original price $14.75
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Original price $23.95 - Original price $23.95
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Hydronix empty cartridges can be used with carbon, resin, KDF or any other media. Made from high impact polystyrene to withstand continuous usage a...

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Original price $23.95 - Original price $23.95
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Original price $13.77 - Original price $13.77
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The Hydronix MH03-1812WH Membrane Housings are manufactured with high-quality NSF approved material and will accommodate standard membrane elements...

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Original price $13.77 - Original price $13.77
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Original price $19.78 - Original price $19.78
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The Hydronix LF-BLRAG long reach air gap faucet is a chrome plated faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BL...

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Original price $19.78 - Original price $19.78
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Original price $23.27 - Original price $23.27
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Hydronix HF5-10BLBK34PR (with Pressure Relief Button) Filter Housings are made to house 2.5" x 10” cartridges. Most 2.5" x 10” cartridges fit easil...

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Original price $23.27 - Original price $23.27
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Original price $16.34 - Original price $16.34
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Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

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Original price $16.34 - Original price $16.34
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Original price $129.99 - Original price $129.99
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$129.99
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Hydronix RO-9.2-W14 – 9.2 Gallon Reverse Osmosis Storage Water Tank (White, 1/4" Port) The Hydronix RO-9.2-W14 is an NSF-certified 9.2-gallon high-...

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Original price $129.99 - Original price $129.99
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Current price $129.99
Original price $60.00 - Original price $60.00
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Current price $60.00

Polaris Scientific ZEB-2439 – Ultraviolet UV System Ballast (24W-39W, 110V/220V, No Plug) The Polaris Scientific ZEB-2439 is a high-quality OEM bal...

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Original price $60.00 - Original price $60.00
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Original price $29.50 - Original price $29.50
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Hydronix PFM-011 – Panel Mount Flow Meter, 0.1 - 1 GPM, 1/2" MNPT Ensure precise water flow measurement with the Hydronix PFM-011 Panel Mount Flow ...

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Original price $29.50 - Original price $29.50
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Original price $17.99 - Original price $17.99
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Current price $17.99

Aquatrol P-18706-02 3/4" Yoke – Fiber-Reinforced Polymer Replacement for AQT-56 & Fleck Control Valves The Aquatrol P-18706-02 3/4" Yoke is a d...

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Original price $17.99 - Original price $17.99
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Original price $89.00 - Original price $89.00
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Current price $89.00

This standard sized 10" High Temperature Housing features 3/4" inlet and outlet ports and is rated for temperatures up to 165 °F. The housing will ...

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Original price $89.00 - Original price $89.00
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Current price $89.00
Original price $1.00 - Original price $1.00
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$1.00
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Current price $1.00

The Hydrofit 1/4" Tube x 3/8" NPT Male Connector Adapter is NSF approved and are designed for ease of use. Hydrofit Quick Connect Fittings are desi...

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Original price $1.00 - Original price $1.00
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Current price $1.00
Original price $37.00 - Original price $37.00
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Current price $37.00

Polaris Scientific GL24SE4P – 24W UV Germicidal Replacement Lamp for UV-6C Systems The Polaris Scientific GL24SE4P is a high-performanc...

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Original price $37.00 - Original price $37.00
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Current price $37.00
Original price $61.00 - Original price $61.00
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Hydronix HF45 Series Commercial Filter Housings are high durability commercial filter housings for 20" length cartridges. HF45 Series housings have...

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Original price $61.00 - Original price $61.00
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Original price $23.99 - Original price $23.99
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Current price $23.99

The HF4-10WHWH38 is a 10" 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 $23.99 - Original price $23.99
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Current price $23.99
Original price $9.98 - Original price $9.98
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Current price $9.98

Original price $9.98 - Original price $9.98
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Current price $9.98
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