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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!

Filters

Polaris Scientific UV-39SPRING – Stainless Steel Spring for Polaris UV Systems
Polaris Scientific

Polaris Scientific UV-39SPRING Stainless Steel Spring For UV System

UV-39SPRING
in stock
$11.20 - $11.20
$11.20
$11.20 - $11.20
$11.20

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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$11.20 - $11.20
$11.20
$11.20 - $11.20
$11.20
HYDRONIX BRACKET Variations
Hydronix

FM-10W White Single Mounting Bracket For 10" & 20" Slim Line Housings

FM-10W
in stock
$5.29 - $5.29
$5.29
$5.29 - $5.29
$5.29

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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$5.29 - $5.29
$5.29
$5.29 - $5.29
$5.29
Filter Housing, House Commercial Hydroponics Clear BB Size 20", 1" Ports w/ PR
Filter Housing, House Commercial Hydroponics Clear BB Size 20", 1" Ports w/ PR
Hydronix

Filter Housing, House Commercial Hydroponics Clear BB Size 20", 1" Ports w/ PR

HF45-20CLBK10PR
in stock
$211.77 - $211.77
$211.77
$211.77 - $211.77
$211.77

The Hydronix HF45-20CLBK10PR 20" Clear Filter Housing (with Pressure Relief Button) is an extra-wide housing that accommodates large 4.5" wide filt...

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$211.77 - $211.77
$211.77
$211.77 - $211.77
$211.77
Panel Mount Flow Meter 2 - 16 GPM, 1" MNPT - IFilters
Hydronix

Panel Mount Flow Meter 2 - 16 GPM, 1" MNPT

PFM-216
in stock
$53.00 - $53.00
$53.00
$53.00 - $53.00
$53.00

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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$53.00 - $53.00
$53.00
$53.00 - $53.00
$53.00
Aquatrol AT-0948BK-25T 9 x 48 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol AT-0948BK-25T 9 x 48 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol

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

AT-0948BK-25T
in stock
$94.99 - $94.99
$94.99
$94.99 - $94.99
$94.99

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

$94.99 - $94.99
$94.99
$94.99 - $94.99
$94.99
Hydronix NP-38 3/8" NPT Male Nipple Connector – Polypropylene, NSF Approved
Hydronix

Hydronix NP-38 3/8" NPT Nipple Male Connector, Polypropylene

NP-38
in stock
$0.95 - $0.95
$0.95
$0.95 - $0.95
$0.95

Hydronix NP-38 3/8" NPT Male Nipple Connector – Polypropylene, NSF Approved The Hydronix NP-38 is a high-quality 3/8" NPT male nipple connector mad...

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$0.95 - $0.95
$0.95
$0.95 - $0.95
$0.95
HDF-PE0404 1/4" Stem x 1/4" Tube Plug In Elbow - IFilters
Hydrofit

HDF-PE0404 1/4" Stem x 1/4" Tube Plug In Elbow

HDF-PE0404
in stock
$1.54 - $1.54
$1.54
$1.54 - $1.54
$1.54

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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$1.54 - $1.54
$1.54
$1.54 - $1.54
$1.54
Hydronix Modern Ceramic RO or Filtered Water Faucet, Antique Brass - IFilters
Hydronix

Hydronix Modern Ceramic RO or Filtered Water Faucet, Antique Brass

LF-EC25-AB
in stock
$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00

Hydronix LF-EC25-AB Ceramic Faucet is an antique brass faucet that can be used in reverse osmosis and drinking water systems. The LF-EC25-AB faucet...

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$34.00 - $34.00
$34.00
$34.00 - $34.00
$34.00
Hydronix SPV-40CAPORING - Cap O-Ring for 4" SPV RO Vessel
Hydronix

Hydronix SPV-40CAPORING Cap O-ring for 4" SPV RO Vessel

SPV-40CAPORING
in stock
$9.98 - $9.98
$9.98
$9.98 - $9.98
$9.98

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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$9.98 - $9.98
$9.98
$9.98 - $9.98
$9.98
PRO+AQUA 1/2in x 10ft Black Drain Tubing - IFilters
PRO+AQUA

PRO+AQUA 1/2in x 10ft Black Drain Tubing

PT08-BK-12
in stock
$14.40 - $14.40
$14.40
$14.40 - $14.40
$14.40

Replacement drain line for water softeners and filtration systems. Compatible with most systems using standard 1/2" Quick Connect (push-in) port.

$14.40 - $14.40
$14.40
$14.40 - $14.40
$14.40
Hydrofit NSF 3/8" Inline Check Valve - IFilters
Hydrofit

Hydrofit NSF 3/8" Inline Check Valve

HDF-ICV06
in stock
$5.44 - $5.44
$5.44
$5.44 - $5.44
$5.44

The Hydrofit 3/8" Inline Check Valve is NSF to NSF/ANSI certified Hydrofit Quick Connect Fittings are designed to provide all the typical benefits ...

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$5.44 - $5.44
$5.44
$5.44 - $5.44
$5.44
HDF-FF04 1/4" Tube x 7/16" - 24 UNS Faucet Fitting - IFilters
Hydrofit

HDF-FF04 1/4" Tube x 7/16" - 24 UNS Faucet Fitting

HDF-FF04
in stock
$1.21 - $1.21
$1.21
$1.21 - $1.21
$1.21

HDF-FF04 1/4" Tube x 7/16" - 24 UNS Faucet Fitting

$1.21 - $1.21
$1.21
$1.21 - $1.21
$1.21
HDF-UC0604 3/8" Tube to 1/4" Reducer Quick Connect - IFilters
Hydrofit

HDF-UC0604 3/8" Tube to 1/4" Reducer Quick Connect

HDF-UC0604
in stock
$2.50 - $2.50
$2.50
$2.50 - $2.50
$2.50

The HDF-UC0604 is used to increase or reduce 3/8" hoses to 1/4" hoses. This fitting features Quick Connect ports for an easy push in installation.

$2.50 - $2.50
$2.50
$2.50 - $2.50
$2.50
Hydronix SPV-4040-12 SS Membrane Housing 4"x40" 1/2" Ports - IFilters
Hydronix

Hydronix SPV-4040-12 SS Membrane Housing 4"x40" 1/2" Ports

SPV-4040-12
in stock

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

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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$199.99 - $199.99
$199.99
$199.99 - $199.99
$199.99
Panel Mount Flow Meter 2 - 10 GPM Adjustable 3/4" MNPT - IFilters
Panel Mount Flow Meter 2 - 10 GPM Adjustable 3/4" MNPT - IFilters
Hydronix

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

AFM-210
in stock
$131.65 - $131.65
$131.65
$131.65 - $131.65
$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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$131.65 - $131.65
$131.65
$131.65 - $131.65
$131.65
1/4" OD Yellow Polyethylene Tubing - 500 Ft - IFilters
Hydrofit

1/4" OD Yellow Polyethylene Tubing - 500 Ft

PT04-YL-0500
in stock
$36.00 - $36.00
$36.00
$36.00 - $36.00
$36.00

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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$36.00 - $36.00
$36.00
$36.00 - $36.00
$36.00
RO-132 4.5 gal (3.2 usable) Reverse Osmosis Storage Water Tank - Blue, 1/4" Port
Hydronix

RO-132 4.5 gal (3.2 usable) Reverse Osmosis Storage Water Tank - Blue, 1/4" Port

RO-132-B14
in stock
$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00

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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$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00
Pro+Aqua 3/4" Garden Hose Quick Connect Fittings, Easy Water Hose Attachments - IFilters
PRO+AQUA

Pro+Aqua 3/4" Garden Hose Quick Connect Fittings, Easy Water Hose Attachments

GHT-QC
Out of stock
$8.99 - $8.99
$8.99
$8.99 - $8.99
$8.99

Pro+Aqua 3/4" Garden Hose Quick Connect Fittings, Easy Water Hose Attachments

$8.99 - $8.99
$8.99
$8.99 - $8.99
$8.99
2 Pack 18" Corrugated Stainless Steel Flexible Water Line, 1" NPT Port - IFilters
PRO+AQUA

2 Pack 18" Corrugated Stainless Steel Flexible Water Line, 1" NPT Port

FH-0118-2PK
in stock
$38.99 - $38.99
$38.99
$38.99 - $38.99
$38.99

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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$38.99 - $38.99
$38.99
$38.99 - $38.99
$38.99
Polaris Scientific GL14SE4P – 14W Ultraviolet (UV) Replacement Lamp for UV-2C Systems
Polaris Scientific

Polaris Scientific GL14SE4P UV Ultraviolet Replacement Lamp, 14W For UV-2C UV Systems

GL14SE4P
in stock
$37.95 - $37.95
$37.95
$37.95 - $37.95
$37.95

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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$37.95 - $37.95
$37.95
$37.95 - $37.95
$37.95
Hydronix Oring For MH03 Membrane Housing Cap - IFilters
Hydronix

Hydronix Oring For MH03 Membrane Housing Cap

MH03-CAPORING
in stock
$1.57 - $1.57
$1.57
$1.57 - $1.57
$1.57

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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$1.57 - $1.57
$1.57
$1.57 - $1.57
$1.57
Hydronix PG25100B – 0-100 PSI Water Pressure Gauge, 2.5" Stainless Steel, 1/4" Port
Hydronix

Hydronix PG25100B 0 - 100 PSI Water Pressure Gauge 2.5" Stainless Steel 1/4" Port

PG25100B
in stock
$19.50 - $19.50
$19.50
$19.50 - $19.50
$19.50

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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$19.50 - $19.50
$19.50
$19.50 - $19.50
$19.50
Hydrofit HDF-FE0808 Fixed Elbow Fitting, 1/2" QC x 1/2" MNPT - IFilters
Hydrofit

Hydrofit HDF-FE0808 Fixed Elbow Fitting, 1/2" QC x 1/2" MNPT

HDF-FE0808
in stock
$1.80 - $1.80
$1.80
$1.80 - $1.80
$1.80

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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$1.80 - $1.80
$1.80
$1.80 - $1.80
$1.80
HDF-FF06 3/8" Tube x 7/16" - 24 UNS Faucet Fitting - IFilters
Hydrofit

HDF-FF06 3/8" Tube x 7/16" - 24 UNS Faucet Fitting

HDF-FF06
in stock

$1.21 - $1.21
$1.21
$1.21 - $1.21
$1.21

HDF-FF06 3/8" Tube x 7/16" - 24 UNS Faucet Fitting

$1.21 - $1.21
$1.21
$1.21 - $1.21
$1.21
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