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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!

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Hydronix Modern Ceramic RO or Filtered Water Faucet, Brushed Nickel
Hydronix Modern Ceramic RO or Filtered Water Faucet, Brushed Nickel - IFilters
Hydronix

Hydronix Modern Ceramic RO or Filtered Water Faucet, Brushed Nickel

LF-EC25-BN
in stock
$38.22 - $38.22
$38.22
$38.22 - $38.22
$38.22

Hydronix LF-EC25-BN Ceramic Faucet is a brushed nickel faucet that can be used in reverse osmosis and drinking water systems. The LF-EC25-BN faucet...

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$38.22 - $38.22
$38.22
$38.22 - $38.22
$38.22
Hydrofit NSF 3/8 Tube x 1/4 MPT Male Connector Adapter - IFilters
Hydrofit

Hydrofit NSF 3/8 Tube x 1/4 MPT Male Connector Adapter

HDF-MC0604
in stock

$0.00 - $0.00
$0.00
$1.42
$1.42 - $1.42
$1.42

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

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$0.00 - $0.00
$0.00
$1.42
$1.42 - $1.42
$1.42
Panel Mount Flow Meter 2 - 10 GPM, 3/4" MNPT - IFilters
Hydronix

Panel Mount Flow Meter 2 - 10 GPM, 3/4" MNPT

PFM-210
in stock
$44.50 - $44.50
$44.50
$44.50 - $44.50
$44.50

Hydronix PFM-210 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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$44.50 - $44.50
$44.50
$44.50 - $44.50
$44.50
Polaris Scientific GL32SE4P UV Ultraviolet Replacement Lamp, 32W For UV-8C UV Systems - IFilters
Polaris Scientific GL32SE4P – 32W UV Germicidal Replacement Lamp for UV-8C Systems
Polaris Scientific

Polaris Scientific GL32SE4P UV Ultraviolet Replacement Lamp, 32W For UV-8C UV Systems

GL32SE4P
in stock

$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00

Polaris Scientific GL32SE4P – 32W UV Germicidal Replacement Lamp for UV-8C Systems The Polaris Scientific GL32SE4P is a high-performance ultraviole...

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$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00
LF-EC32-BN Modern Ceramic RO Filtered Water Faucet, Brushed Nickel - IFilters
Hydronix

LF-EC32-BN Modern Ceramic RO Filtered Water Faucet, Brushed Nickel

LF-EC32-BN
in stock
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00

Hydronix LF-EC32-BN ceramic faucet is a brushed nickel faucet that can be used in reverse Osmosis and Drinking water systems. The LF-EC32-BN faucet...

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$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
Booster Pump Kit for Reverse Osmosis RO DI Systems Up To 50 GPD, 1/4" QC Ports - IFilters
Booster Pump Kit for Reverse Osmosis RO DI Systems Up To 50 GPD, 1/4" QC Ports - IFilters
Hydronix

Booster Pump Kit for Reverse Osmosis RO DI Systems Up To 50 GPD, 1/4" QC Ports

BP50KIT
in stock

$135.99 - $135.99
$135.99
$135.99 - $135.99
$135.99

iFilters has combined top quality components to create the best RO DI booster pump in the market. The BP50KIT includes all the components needed to...

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$135.99 - $135.99
$135.99
$135.99 - $135.99
$135.99
Hydronix FM-45-3STND Triple Housing Stand Bracket – Whole House & Hydroponics Filtration Systems
Hydronix

Hydronix FM-45-3STND Triple Housing Stand Bracket For Whole House or Hydroponics Filtration Systems

FM-45-3STND
in stock

$129.95 - $129.95
$129.95
$129.95 - $129.95
$129.95

Hydronix FM-45-3STND Triple Housing Stand Bracket – Whole House & Hydroponics Filtration Systems The Hydronix FM-45-3STND is a durable, powder-...

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$129.95 - $129.95
$129.95
$129.95 - $129.95
$129.95
Pressure Regulator Protection Valve for RO & Filter Systems, 1/4" QC, 40 PSI
Shok Blok

Pressure Regulator Protection Valve for RO & Filter Systems, 60 PSI

SB-FPV-60
in stock
$12.49 - $12.49
$12.49
$12.49 - $12.49
$12.49

Shokblok Filter protection valves are designed for high pressure installations to protect reverse Osmosis systems, water filtration systems, ice ma...

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$12.49 - $12.49
$12.49
$12.49 - $12.49
$12.49
Hydronix UDF-45PAD - Replacement Pad for 4.5" Empty Filter Cartridges
Hydronix

Hydronix UDF-45PAD Replacement Pad for 4.5" Empty Filter Cartridges

UDF-45PAD
in stock

$3.00 - $3.00
$3.00
$3.00 - $3.00
$3.00

Hydronix UDF-45PAD - Replacement Pad for 4.5" Empty Filter Cartridges Polypropylene Filter Cartridge Pad for 4.5" Refillable Water Filter Cartridge...

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$3.00 - $3.00
$3.00
$3.00 - $3.00
$3.00
Hydrofit HDF-UT04 - 1/4"
Hydrofit

Hydrofit HDF-UT04 - 1/4" Union Tee Quick Connect, White

HDF-UT04
in stock
$2.59 - $2.59
$2.59
$2.59 - $2.59
$2.59

The Hydrofit HDF-UT04 1/4" Union Tee has Quick Connect ports for an easy push-in installation. Hydrofit Quick Connect Fittings are designed to prov...

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$2.59 - $2.59
$2.59
$2.59 - $2.59
$2.59
Hydronix Long Reach RO Filtered Water Faucet Lead Free Brushed Nickel w/ Air Gap - IFilters
Hydronix

Hydronix Long Reach RO Filtered Water Faucet Lead Free Brushed Nickel w/ Air Gap

LF-BLRAG-BN
in stock
$26.47 - $26.47
$26.47
$26.47 - $26.47
$26.47

The Hydronix LF-BLRAG-BN long reach faucet is a brushed nickel faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BLRAG-...

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$26.47 - $26.47
$26.47
$26.47 - $26.47
$26.47
3/8" OD White Polyethylene Tubing - 500 Ft - IFilters
Hydrofit

3/8" OD White Polyethylene Tubing - 500 Ft

PT06-WH-0500
in stock
$77.00 - $77.00
$77.00
$77.00 - $77.00
$77.00

The PT06-WH-0500 White Polyethylene tubing is manufactured from top quality, low density materials. The PT06-WH-0500 is ideal for a variety of uses...

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$77.00 - $77.00
$77.00
$77.00 - $77.00
$77.00
Hydrofit HDF-FE0402 Fixed Elbow Fitting - IFilters
Hydrofit

Hydrofit HDF-FE0402 Fixed Elbow Fitting

HDF-FE0402
in stock
$1.80 - $1.80
$1.80
$1.80 - $1.80
$1.80

The Hydrofit 1/4" Tube x 1/8" NPTF Fixed Elbows are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide all the typic...

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$1.80 - $1.80
$1.80
$1.80 - $1.80
$1.80
Hydronix SPV-4040-34 SS Membrane Housing 4"x40" 3/4" Ports - IFilters
Hydronix

Hydronix SPV-4040-34 SS Membrane Housing 4"x40" 3/4" Ports

SPV-4040-34
in stock

$199.99 - $199.99
$199.99
$199.99 - $199.99
$199.99

The Hydronix SPV-4040-34 4" x 40" Stainless Steel Pressure Vessel is designed for use in commercial reverse osmosis, nanofiltration and ultrafiltra...

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$199.99 - $199.99
$199.99
$199.99 - $199.99
$199.99
Pro+Aqua 3/8" Brine Line Quick Connect Adapter - IFilters
PRO+AQUA

Pro+Aqua 3/8" Brine Line Quick Connect Adapter

P-13244
in stock
$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99

Pro+Aqua 3/8" Brine Line Quick Connect Adapter

$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
Polaris Scientific Ultraviolet Replacement Quartz Sleeve For UVA-1C UV Systems - IFilters
Polaris Scientific Ultraviolet Replacement Quartz Sleeve For UVA-1C UV Systems - IFilters
Polaris Scientific

Polaris Scientific Ultraviolet Replacement Quartz Sleeve For UVA-1C UV Systems

QS10
in stock
$14.11 - $14.11
$14.11
$14.11 - $14.11
$14.11

Polaris Scientific QS10 Replacement Quartz Sleeve for the UVA-1C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...

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$14.11 - $14.11
$14.11
$14.11 - $14.11
$14.11
14 Gallon RO-14-W34 Reverse Osmosis Storage Water Tank, White, 1/4" or 3/4" Port
14 Gallon RO-14-W34 Reverse Osmosis Storage Water Tank, White, 1/4" or 3/4" Port
Hydronix

14 Gallon RO-14-W34 Reverse Osmosis Storage Water Tank, White, 1/4" or 3/4" Port

RO-14-W34
in stock
$132.00 - $132.00
$132.00
$132.00 - $132.00
$132.00

NSF Certified 14-Gallon Reverse Osmosis Water Storage Tank. Lead, brass, and copper are banned for use in purified/drinking water. This tank utiliz...

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$132.00 - $132.00
$132.00
$132.00 - $132.00
$132.00
Pressure Regulator Protection Valve for RO & Filter Systems, 1/4" QC, 70 PSI
Pressure Regulator Protection Valve for RO & Filter Systems, 1/4" QC, 40 PSI
Shok Blok

Pressure Regulator Protection Valve for RO & Filter Systems, 1/4" QC, 70 PSI

SB-FPV-70
in stock
$12.30 - $12.30
$12.30
$12.30 - $12.30
$12.30

Shokblok Filter protection valves are designed for high pressure installations to protect reverse Osmosis systems, water filtration systems, ice ma...

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$12.30 - $12.30
$12.30
$12.30 - $12.30
$12.30
Reverse Osmosis (RO) Tank Ball Valve 1/4" Quick Connect x 1/4" Female NPT - IFilters
Hydrofit

Reverse Osmosis (RO) Tank Ball Valve 1/4" Quick Connect x 1/4" Female NPT

HDF-BVT0404
in stock
$6.20 - $6.20
$6.20
$6.20 - $6.20
$6.20

The HDF-BVT0404 HYDROFIT Quick Connect Fittings are designed to provide all the typical benefits and ease of use of a quick connect t fitting while...

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$6.20 - $6.20
$6.20
$6.20 - $6.20
$6.20
A-19228 FL19228 Adapter Coupling - IFilters
A-19228 FL19228 Adapter Coupling - IFilters
iFilters

A-19228 FL19228 Adapter Coupling

A-19228-SET
in stock

$0.00 - $0.00
$0.00
$9.50
$9.50 - $9.50
$9.50

This Aquatrol Fleck Compatible Adapter Coupling Set are used in Fleck or Aquatrol Valves

$0.00 - $0.00
$0.00
$9.50
$9.50 - $9.50
$9.50
Reverse Osmosis Membrane Housing For Standard membranes, 1/4" Quick Change Ports
Reverse Osmosis Membrane Housing For Standard membranes, 1/4" Quick Change Ports - IFilters
Hydronix

Reverse Osmosis Membrane Housing For Standard membranes, 1/4" Quick Change Ports

MH03-1812WH-QC
in stock

$12.99 - $12.99
$12.99
$12.99 - $12.99
$12.99

The Hydronix MH03-1812WH-QC Quick Connect Membrane Housings are manufactured with high-quality NSF approved material and will accommodate standard ...

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$12.99 - $12.99
$12.99
$12.99 - $12.99
$12.99
Aquatrol P-18706 – 1" NPT Yoke Replacement for AQT-56 & Fleck Control Valves
Aquatrol

Aquatrol P-18706 - 1" NPT Yoke Fiber-Reinforced Polymer Replacement for AQT-56 and Fleck Control Valves

P-18706
in stock
$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99

Aquatrol P-18706 – 1" NPT Yoke Replacement for AQT-56 & Fleck Control Valves The Aquatrol P-18706 1" NPT Yoke is a high-strength, fiber-reinfor...

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$17.99 - $17.99
$17.99
$17.99 - $17.99
$17.99
HDF-FE0406 - IFilters
Hydrofit

HDF-FE0406

HDF-FE0406
in stock
$1.80 - $1.80
$1.80
$1.80 - $1.80
$1.80

The Hydrofit 1/4" Tube x 3/8" NPTF Fixed Elbows are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide all the typic...

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$1.80 - $1.80
$1.80
$1.80 - $1.80
$1.80
Filter Housing 20" For Water Systems & Hydroponics, Clear/Black 3/4" Ports w/PR
Filter Housing 20" For Water Systems & Hydroponics, Clear/Black 3/4" Ports w/PR
Hydronix

Filter Housing 20" For Water Systems & Hydroponics, Clear/Black 3/4" Ports w/PR

HF5-20CLBK34PR
in stock
$44.78 - $44.78
$44.78
$44.78 - $44.78
$44.78

Hydronix HF5-20CLBK34PR (with Pressure Relief Button) Clear Filter Housings are made to house 2.5" x 20” cartridges. Most 2.5" x 20” cartridges fit...

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$44.78 - $44.78
$44.78
$44.78 - $44.78
$44.78
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