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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 $15.99 - Original price $15.99
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Pro+Aqua 3/4" Garden Hose Shut Off Valve, Heavy Duty Ball Valve Water Hose Fitting, Easy On/Off Ergonomic Design

Original price $15.99 - Original price $15.99
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Original price $10.01 - Original price $10.01
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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 $10.01 - Original price $10.01
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Original price $9.50 - Original price $9.50
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$9.50
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Current price $9.50

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 $9.50 - Original price $9.50
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$9.50
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Original price $17.04 - Original price $17.04
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Current price $17.04

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 $17.04 - Original price $17.04
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Original price $18.50 - Original price $18.50
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Current price $18.50

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for ro systems, under sink filters...

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Original price $18.50 - Original price $18.50
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Original price $17.23 - Original price $17.23
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Current price $17.23

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

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Original price $17.23 - Original price $17.23
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$17.23
$17.23 - $17.23
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Original price $17.23 - Original price $17.23
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$17.23
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Current price $17.23

Hydronix HF3 series Slim Rib cap Filter housings are ideal for typical applications such as pre- and post-filtration for ro systems, under sink fil...

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Original price $17.23 - Original price $17.23
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$17.23
$17.23 - $17.23
Current price $17.23
Original price $17.23 - Original price $17.23
Original price
$17.23
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Current price $17.23

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 $17.23 - Original price $17.23
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Current price $17.23
Original price $1.10 - Original price $1.10
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Hydrofit, 3/8" Stem x 1/4" Tube Adapter Hydrofit, 3/8" Stem x 1/4" Tube Adapter

Original price $1.10 - Original price $1.10
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Original price $86.76 - Original price $86.76
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Aquatrol AT-1017BL-25T 10 x 17 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

Original price $86.76 - Original price $86.76
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Original price $5.24 - Original price $5.24
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JACO polypropylene fittings are known for their excellent chemical resistance, making them suitable for use with most weak acids and alkalis. They ...

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Original price $147.78 - Original price $147.78
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Replacement band clamp for the HydroScientific MRH4 Stainless Steel Housings, Band Clamp Series.

Original price $147.78 - Original price $147.78
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Original price $180.41 - Original price $180.41
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Aquatrol AQT-HL-7162 Bottom HUB Distributor – 2" Port, 6 Laterals for 30" Tanks The Aquatrol AQT-HL-7162 Bottom Mount Hub & Lateral Distributor...

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Original price $180.41 - Original price $180.41
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Original price $89.99 - Original price $89.99
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Aquatrol AQT-MSV-1 Manual Water Softener Valve – 1" Ports, 2.5" Base The Aquatrol AQT-MSV-1 Manual Water Softener Valve is a high-quality, manually...

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Original price $89.99 - Original price $89.99
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Original price $80.00 - Original price $80.00
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Brine Valve Assembly with 3/8" Quick Connect Line Port. Fits PRO+AQUA Softener and Filter Valves.

Original price $80.00 - Original price $80.00
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Original price $14.25 - Original price $14.25
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Hydronix PG25300L - 0-300 PSI Water Pressure Gauge, 2.5" Stainless Steel, 1/4" NPT Port The Hydronix PG25300L is a high-quality, UV-resistant water...

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Original price $14.25 - Original price $14.25
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Original price $19.99 - Original price $19.99
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Pro+Aqua Garden Hose Two Way Hose Splitter Y Valve, Heavy Duty Ball Valve Water Hose Fitting, Easy On/Off Ergonomic Design

Original price $19.99 - Original price $19.99
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Original price $16.60 - Original price $16.60
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Hydronix HF2-10WHBK12 – 10" White Slim Filter Housing with Black Cap (1/2" Ports) The Hydronix HF2-10WHBK12 is a compact, high-quality filter housi...

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Original price $16.60 - Original price $16.60
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Original price $54.99 - Original price $54.99
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The Hydronix LF-EC25-BNAG is an Elegant Designer Ceramic Faucet with Air Gap. It has a Brush Nickel finish with a 3" Shank. Hydronix LF Series Lead...

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Original price $54.99 - Original price $54.99
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Original price $2.33 - Original price $2.33
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Replacement PR Button Kit for the Hydronix HF45 filters. Made from durable materials for durability. This replacement PR Button Kit comes with all ...

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Original price $2.33 - Original price $2.33
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Original price $38.99 - Original price $38.99
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MRH-7-ORING replacement O-Ring for Hydronix 7 Round MRH Housings. Made from durable EPDM material.

Original price $38.99 - Original price $38.99
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Original price $16.34 - Original price $16.34
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Hydronix HF3 Series Slim Rib Cap Filter Housings are available in a variety of colors and are made to house 2.5" diameter cartridges. Most 2.5" x 5...

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Original price $16.34 - Original price $16.34
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Original price $17.74 - Original price $17.74
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$17.74
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Current price $17.74

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

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Original price $17.74 - Original price $17.74
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$17.74
$17.74 - $17.74
Current price $17.74
Original price $10.50 - Original price $10.50
Original price
$10.50
$10.50 - $10.50
Current price $10.50

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...

View full details
Original price $10.50 - Original price $10.50
Original price
$10.50
$10.50 - $10.50
Current price $10.50
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