- Reverse osmosis system parts table
- Reverse osmosis system parts
- Reverse osmosis housing
- Reverse osmosis housing wrench
- O-ring for reverse osmosis
- Automatic shut off valve for reverse osmosis
- Check valve for reverse osmosis
- Flow restrictor Reverse osmosis
- Filter clip
- Tank pressure shut off switch
- Mounting Bracket, Screw, and clips
- Refrigerator/ ice maker connecting kit
- Related
Except for changing filters and membranes, you also need to sanitize, replace, upgrade, and maintain other parts and accessories of your Reverse Osmosis system. This helps to keep your reverse osmosis system up and running smoothly. We have prepared a list of Reverse osmosis system parts

These Reverse Osmosis parts and accessories include Connectors, tank pressure shut off switch, filter wrench, refrigerator ice maker kit, automatic shut-off valve, check valve, flow restrictor, O-rings set, RO Tank, RO Faucet, RO pump, TDS meter, RO pressure gauge, filter clip, tubing, mounting bracket, screw, drain adapters and clips
Reverse osmosis system parts table
RO part | image | Function | Where to buy |
---|---|---|---|
RO Faucet | ![]() | provide filtered water to the point of use | Buy from Amazon |
membrane Housing | ![]() | It is where membrane elements are stored safely. | Buy from Amazon |
filter housing | It is where cartridges, and filters elements are stored safely. | Buy from Amazon | |
Wrench | ![]() | Helps to tighten, remove and loosen the housings | Buy from Amazon |
O-rings set | ![]() | they guarantee leak proof | Buy from Amazon |
Automatic shut off valve | ![]() | stop flow of water back into the unit, when the storage tank is full | Buy from Amazon |
Flow restrictor | ![]() | Ensures filtered water does not go in the drain pipe | Buy from Amazon |
Reverse osmosis storage tank | ![]() | where filtered water is stored waiting to be transported to its point of use | Buy from Amazon |
Reverse osmosis replacement filters | ![]() | Buy from Amazon | |
RO Membrane | ![]() | the heart of reverse osmosis system. | Buy from Amazon |
Check valve reverse osmosis | ![]() | Prevent water from flowing back to the RO membrane | Buy from Amazon |
RO pump | ![]() | It adds pressure needed to perform treatment function and help to move treated water from storage tank to the point of use such as faucet | Buy from Amazon |
RO pressure gauge | ![]() | test your home water pressure. | Buy from Amazon |
Filter clip | ![]() | hold inline filters and | Buy from Amazon |
Tank pressure shut off switch | ![]() | Buy from Amazon | |
Mounting Bracket, Screw, and clips | ![]() | Screw helps to mount filter housing to the bracket and holds a membrane clips | Buy from Amazon |
Fridge Connection and Ice Maker Kit for Reverse Osmosis Water Systems | ![]() | It is used to connect filtered water output from RO system to your ice maker, coffee maker, or refrigerator. | Buy from Amazon |
TDS meter | test and monitor quality of your water regarding total dissolved solid (TDS). | Buy from Amazon |
Reverse osmosis system parts
Drain pipe
In the Reverse Osmosis system amount of water that has a contaminant is wasted. The drain pipe is used to flush out contaminated water in the system.
Reverse osmosis housing
Reverse osmosis housing is where membrane, cartridges, and filters elements are stored safely. We have two types of housing
- Membrane housing
- Filter housing
No Brand Marking Membrane Housing – with 1/8″ FPT Connections For RO Reverse Osmosis

It is a standard sized reverse osmosis membrane housing with 1/8″ FPT Connections
The housing fits standard residential membrane made by Filmtec and GE which has a capacity of 18 to 100 GPD
AMI Component Membrane Housing for Home RO System (2″x12″)

The housing is used in Home RO system and can fit standard residential RO membranes. A fit membrane that has a capacity of 10 to 150 GPD and membrane size 1.5-1.8” Dia. × 10-12” Length
In the packet contains pre-lubricated and pre- installed O-ring
Express Water Quick Connect Standard RO Reverse Osmosis Membrane Filter Housing Cartridge

To guarantee standard this housing is made of heavy duty, FDA grade, 100% polypropylene, and acrylic styrene BPA FREE plastics
It is ideal for industrial standard water filter
Features push technology which allows connecting and disconnecting quickly without the need of any tool.
White filter housing sump for reverse osmosis 10″ RO canister 1/4.”
Fits most standard sized RO system using 10-inch filters
Liquatec MH09-1812WH Reverse Osmosis Membrane Housing
Reverse osmosis filter housing
AFW Filters White filter housing sump for reverse osmosis 10″ RO canister 1/4″
All wrench-https://amzn.to/2s1z0UX Reverse osmosis housing wrench helps to tighten, remove and loosen the housings Watts WR-100 Filter Housing Wrench iSpring AWR2 Reverse Osmosis Pre-filter Housing Canister Wrench APEC Membrane Housing Wrench For Reverse Osmosis Water Filter System (WRENCH-MEM) TmallTech 10″ inch Reverse Osmosis Water Filter Canister Housing Wrench RO Filter Housing Pentek SW-2 Standard Housing Wrench It is made of plastic to prevent corrosion. Culligan SW-2 3/4-Inch Housing Spanner WrenchReverse osmosis housing wrench
O-ring for reverse osmosis
Water filter o-ring all-https://amzn.to/2rZ3c3Y
iSpring ORBX2 O-Ring for Big Blue Water Filter Housing
The O-ring fits 10 inches and 20-inch big blue water filter housing
It is leak proof guarantee and builds to last long.
They ensure filter housings don’t leak. O-ring need to be changed regularly mostly when you are replacing cartridges
iSpring ORFX3 O-Ring for 10″ Water Filter Housing Sump O-ring (Set of 3)
This O-ring is ideal for 10-inch water filter housings, pre-filter housing for RO systems, countertop water filter and whole house water filters
It comes with a set 0f three and has a diameter of 31/2 inch O.D
APEC O-Ring Set for 3.5″ Diameter Reverse Osmosis Water Filter Housings (3 Pack O-RING-SET)
A set comes with a pack of three and has a diameter of 3.5-inch O.D
If you are looking for O-Ring that fits standard filter housings of APEC ultimate RO systems and essence RO systems, APEC O-Ring will serve you best.
Automatic shut off valve for reverse osmosis
Automatic shut off valve-https://amzn.to/2KOwTeV
It is mostly used in under sink Reverse Osmosis system. Shut off valve stop flow of water back into the unit, when the storage tank is full.
Aquaboon Automatic Shut-Off Valve -with Quick-Connect Fittings For RO Reverse Osmosis

It is made using NSF compliant material and comes quick connect fittings for reverse osmosis
DIGITEN 1/4″ Automatic Shut-Off Valve with Quick-Connect Fittings For RO Reverse Osmosis(Pack of 2)

The package has pack of two four shut-off valve
Turn off water supply when the tank pressure reaches 65% of the supply water pressure
Purenex ASOV Auto Shut Off Valve

Shut off the feed water entering the RO unit when the tank pressure reaches 2/3 of the feed water pressure
Malida Automatic Shut Off Valve – with 1/4 Inch Tube Quick Connect Fittings For RO Reverse Osmosis

Malida comes with quick-connect fitting.
The tube connections are ¼ inch with “in” and “out” labeled on the top
Check valve for reverse osmosis
Check valve for reverse osmosis-https://amzn.to/2kcPmqf
It allows water to flow forward not backward. Prevent water from flowing back to the RO membrane. Every unit has at least one, but you need two for best unit
Malida 1/4″ Quick Connect Check Valve for RO Pure Water Reverse Osmosis System

The check valve fits all under sink water filter systems
It is a ¼ inch quick connect check valve
Made of POM material
TmallTech Check Valve for RO Reverse Osmosis– 1/8″ Thread Male to 1/4″ Tube Elbow (Pack of 2)

TmallTech check valve is 1/8 inch thread male to ¼ -inch tube elbow check valve
More check valve
JOHN GUEST 1/4″ One Way Check Valve RO Reverse Osmosis Water Filter NSF Certified
John Guest 3/8″ One Way Check Valve RO Reverse Osmosis Water Filter NSF Certified
Flow restrictor Reverse osmosis
Flow restrictor regulates amount of water that flows to drain. Ensures filtered water does not go in the drain pipe.
TmallTech 50GPD Flow Restrictor -300CC 1/4″ Quick Connect for RO Reverse Osmosis (Pack of 2)

It is a 50GPD restrictor 300CC
Abundant flow water 50 GPD Flow Restrictor 1/4″ Quick Connect – H-R2065QC

Inline flow restrictor for RO system
To be used on system utilize a 50 GPD membrane element and is 420 ml size.
Filter clip
Filter clip-https://amzn.to/2s3RkO3
TmallTech Big/Small Double Clip Clamp 2.0″x 2.5″ Bracket Reverse Osmosis RO Housing (Pack of 3)
It is big or small 2.0″x2.5″ Double Clip for RO mounting
Reverse osmosis revolution RO clips Large/Large 2.5″x2.5″ Reverse Osmosis RO Clips (set of 2), hold membrane housing & 2.5″ diameter filter or 2 membranes
This clip contains membrane housing, two membranes together and 2.5-inch diameter filter.
Tank pressure shut off switch
Tank pressure shut off switch-https://amzn.to/2kt7I6u
AquaTec Tank Pressure Shut-off Switch 80 psi 1/4″ Quick Connect RO Reverse Osmosis
It is shut off switch for AQUQTEC booster pump
AFWFilter Tank Shutoff (TSO) Switch for Aquatec Booster Pumps
Mounting Bracket, Screw, and clips
Screw helps to mount filter housing to the bracket and holds a membrane clip. Some set comes with only screws to mount housing without a membrane clip when buying check on that.
Refrigerator/ ice maker connecting kit
It is used to connect filtered water output from RO system to your ice maker, coffee maker, or refrigerator.
iSpring Fridge Connection and Ice Maker Kit for Reverse Osmosis Water Systems, 20ft 1/4″ Tubing with 1/4″ Push-In and Compression Fittings – ICEK
APEC Water Systems ICEMAKER-KIT-RO-1-4 Ice Maker Kit for Reverse Osmosis Systems, Refrigerator & Water Filters
If you didn’t find what you wanted in our Reverse Osmosis parts or you just want to know the reverse osmosis part that fits your system. Please feel free to contact us in the comment section, and our team of expert will guide you accordingly.
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