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Reverse Osmosis Parts and Accessories | Mojawoda.com

Parts and accessories for reverse osmosis – the key to the longevity of filtration systems

Reverse osmosis systems are among the most effective methods of water treatment and make it possible to obtain high-quality drinking water. However, for the installation to operate efficiently, effectively, and safely for a long time, properly selected parts and accessories for reverse osmosis are required.

In this category, you will find a wide selection of components supporting the daily operation of the RO system, its maintenance, and servicing. Accessories for reverse osmosis and parts for reverse osmosis filters help maintain device reliability, tight connections, and the correct operating parameters of the entire installation.

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Reviews: 3

KTPE14R red hose 1/4" 6.4mm

KTPE14R red tubing 1/4" (6.4 mm) for reverse osmosis systems and water treatment installations. Made of polyethylene, flexible, resistant to abrasion and the action of many chemical compounds. Fits connectors and quick couplings for 1/4" tubing. Recommended working pressure: up to 10 bar. Price refers to 1 meter.
Accessory type
Hose / tube
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 1.60 zł
Reviews: 2

A4FA716 reducing connector 7/16GW x 1/4T

A4FA716 reducing connector for convenient, temporary connection of a filter to a water intake. It facilitates the connection of a 7/16GW thread to a hose and is particularly useful during water changes when permanent installation of the system (e.g., reverse osmosis) is not possible.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 9.95 zł
Reviews: 2

Blood pressure measurement set

Water pressure measurement kit for RO filters designed for a 1/4" (6.4 mm) hose. It allows for quick pressure checks during service or permanent installation in the water circuit to monitor the operating parameters of the system.
Accessory type
Pressure test kit
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 29.99 zł
Reviews: 2

SEWBV1414 1/4" connection valve

SEWBV1414 is a metal ball valve for connecting the water supply to the filter. It is typically mounted with a water connection, creating a tee that allows for integration into the installation. It fits connections with a mounting hole of 1/4 inch. The valve has a 1/4 inch external thread, and the hose connection is made using a "mushroom" and a nut from the set.
Accessory type
Valve
Connection
1/4″
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 14.90 zł
Reviews: 2

Electric pump for reverse osmosis filter

Complete electric pump set for kitchen reverse osmosis filter (membranes 50-100 GPD). Designed for installations with low water pressure, e.g., below 3 bar. Requires an input pressure above 0.5 bar and stabilizes the pressure on the membrane at around 5 bar. Includes power supply, pressure sensors, tubing, and instructions.
Accessory type
Pump
Compatibility
Universal RO systems

Brand: TOP FILTER

Free delivery
Ships in 24h | 14-day returns
Price 277.00 zł
Reviews: 2

ANTI-SIPHON VALVE PRESSURE GAUGE FR-FLUSH REDOX

Accessory kit for reverse osmosis systems with REDOX ionizer. It includes an Aqua-Stop anti-flood valve (cuts off water supply in case of failure), a pressure gauge to monitor filter operation, FR-FLUSH with BY-PASS for membrane flushing, and a vent valve for the REDOX cartridge, which reduces the risk of excessive pressure after breaks in use.
Accessory type
RO accessory kit
Compatibility
Universal RO systems

Ships in 24h | 14-day returns
Price 159.00 zł
Reviews: 1

A4FA38 reducing connector 3/8GW x 1/4T

A4FA38 reducer connector for quick, temporary connection of a filter to a water intake. It facilitates the connection of a 6.4 mm hose, for example, just for the duration of water replacement when permanent installation of the reverse osmosis filter is not possible.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 11.99 zł
Reviews: 1

A4MC4-W straight connector 1/4GZ x 1/4T

A4MC4-W straight quick connector 1/4" GZ x 1/4" for tubing (6.4 mm) Mounting connector for home water filters and under-sink systems, including RO. The tubing is pushed in firmly to the quick connector, without additional twisting. Use Teflon tape only on the threaded part.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 3.50 zł
Reviews: 1

A4ME2-CW-W check valve for membrane 1/8GZ x 1/4T

A4ME2-CW-W check valve for reverse osmosis filters, helping to cut off the wastewater flow to the sewage system after the tank is filled. A damaged valve often causes a constant flow of water, higher bills, and faster wear of pre-filters. Model with an elbow for a quick connector, with metal components for greater reliability. Connections: 1/8GZ x 1/4T.
Accessory type
Valve
Connection
1/4″
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 15.00 zł
Reviews: 1

A4ME2-W elbow connector 1/4T x 1/8 GZ

A4ME2-W elbow connector, a quick connector for water treatment installations and RO membrane housings. It allows for the connection of a 1/4" (6.4 mm) hose to a 1/8" external thread. The installation of the cable is done by pushing it in until it stops, which facilitates quick servicing and replacement of components in the system.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 3.50 zł
Reviews: 1

A4ME4-W angled connector elbow 1/4GZ x 1/4T

Angle connector (elbow) A4ME4-W for water treatment installation: 1/4" external thread x 1/4" for tubing . Equipped with a quick-connect mechanism that allows you to secure the hose by pushing it in until it stops, without additional twisting. Use Teflon tape only on the threaded component.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 3.50 zł
Reviews: 1

A4SA4-W straight connector 1/4GZ x 1/4W

A4SA4-W to straight connector for water treatment systems: 1/4" (6.4 mm) plug on one side and external thread 1/4" on the other. It allows for a transition from a threaded connection to a non-threaded one, e.g., to connect a 1/4" hose to an element with a 1/4" thread.
Accessory type
Fitting
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 4.00 zł
Reviews: 1

A4UC4-W straight connector 1/4T x 1/4T

A4UC4-W is a straight connector 1/4T x 1/4T for quick connection of 1/4 inch hoses used in under-sink water treatment systems, including reverse osmosis. Quick-connect installation: simply push the hose in until it stops. It facilitates the extension of the installation and allows connecting two sections of the pipe without Teflon tape and without twisting.
Accessory type
Fitting
Connection
1/4″
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 3.50 zł
Reviews: 1

AC-IL-DZF cleaning connector for RO tank and filter

AC-IL-DZF-22 is a cleaning connector for single-use disinfection of reverse osmosis systems. It helps remove microorganisms and byproducts of bacteria from the osmotic filter and installation components. The disinfectant is located inside the connector and is flushed out during system operation, cleaning the pipes, tank, and faucet. Warning: biocidal product. Before use, read the label andproduct information.
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 15.99 zł
Reviews: 1

20G metal tank for water filter

Metal storage tank for reverse osmosis systems. Designed for public utility facilities (including restaurants, laboratories, schools, industry). Powder-coated blue, with a plastic base. 3/4" connection thread, adjustable air cushion with valve. Total capacity 72 l, water capacity approx. 55 l. PZH certification. Includes shut-off valve with 1/4" hose connector.
Accessory type
Pressure tank
Connection
3/4″
Compatibility
Universal RO systems

Brand: WODARO

Free delivery
Ships in 24h | 14-day returns
Price 649.00 zł
Reviews: 1

18L metal tank for water filter

Metal pressure tank for water filter 18 l (4.8 gal) with air cushion. Depending on the pressure in the system, it can store approx. 11-12 l of net water . Made of metal in white color. Thread for valve 1/4" (from the top), diameter 27 cm , height 39 cm . Pre-charge pressure 0.7-0.9 bar with the possibility ofregulations. It has certifications PZH and NSF .
Accessory type
Pressure tank
Connection
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 169.00 zł
Reviews: 1

3.2G tank for water filter

3.2G pressure tank for reverse osmosis systems stores treated water, ensuring a supply in the installation. Total capacity is 12 liters, and the amount of usable water depends on the pressure in the network (approximately 8 liters). Made of high-quality white plastic, with a PZH certificate. Thread for the valve is 1/4" (standard, from the top). Pre-charge pressure is 0.7-0.9 bar with adjustable options.
Accessory type
Pressure tank
Connection
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 129.00 zł
Reviews: 1

1/4T x 1/4T inline valve

Ball valve for flexible hoses 1/4 inch. It features push-in quick connectors, allowing for easy installation by simply pushing the hose in until it stops. Used in reverse osmosis systems, filtration systems, and for connecting refrigerators with ice makers. It facilitates flow shut-off and increases the safety of the installation.
Accessory type
Valve
Connection
1/4″
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: WODARO

Ships in 24h | 14-day returns
Price 16.00 zł
Reviews: 1

FR-420 flow restrictor

FR-420 restrictor (flow limiter) for reverse osmosis systems, mounted on the wastewater outlet. Connected via quick couplings. It enforces the correct flow of rinse water through the membrane, which helps remove accumulated contaminants and supports the membrane's lifespan. Recommended replacement every few years and each time the membrane is replaced. Designed for 75 GPD membranes.
Accessory type
Flow restrictor
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 15.50 zł
Reviews: 1

FR-420G flow restrictor GRAY

FR-420G is a professional flow restrictor for reverse osmosis systems, mounted on the wastewater outlet with quick connectors. It enforces the proper water flow, supports membrane flushing, and helps to drain accumulated contaminants into the sewage system. Recommended replacement every few years, especially with heavily contaminated water. Model adapted for 75 GPD membranes.
Accessory type
Flow restrictor
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 20.00 zł
Reviews: 1

FR-800 flow restrictor

FR-800 restrictor (flow limiter) for reverse osmosis systems, mounted on the wastewater outlet. It enforces the correct flow of rinse water through the membrane, which helps remove accumulated contaminants and supports its longevity. Connection via quick couplings. Recommended replacement when installing a new membrane. Compatible with 75 GPD membranes.
Accessory type
Flow restrictor
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 19.90 zł
Reviews: 1

KTPE14BL blue hose 1/4" 6.4mm

KTPE14BL is a standard blue 1/4" (6.4 mm) tubing for reverse osmosis systems and under-sink filters. Made of polyethylene, it is resistant to many chemical compounds and abrasion, while also being flexible. It fits connectors and quick couplings for 1/4" tubing. Recommended working pressure: up to 10 bar. Price refers to 1 meter.
Accessory type
Hose / tube
Tube outer diameter
1/4″
Compatibility
Universal RO systems

Brand: TOP FILTER

Ships in 24h | 14-day returns
Price 1.60 zł
Reviews: 1

50/75 GPD pressure pump for reverse osmosis water filter

50/75 GPD pressure pump for reverse osmosis system. It increases the overall efficiency of the osmosis system, improving water purification effectiveness and reducing its costs.
Accessory type
Pump
Compatibility
Universal RO systems

Free delivery
Ships in 24h | 14-day returns
Price 259.00 zł

The efficiency of a reverse osmosis system depends not only on the membrane and filter cartridges, but also on the quality of auxiliary components. These are the elements responsible for connection tightness, ease of servicing, safety of use, and the stable operation of the entire installation. Properly selected parts and accessories help maintain high water quality, reduce the risk of failure, and extend the lifespan of the RO system.

In the Parts and accessories category, you will find components needed for the installation, expansion, parameter control, and maintenance of reverse osmosis systems. The offer includes, among others, water leak sensors, filter wrenches, flow restrictors, disinfectants, water connections, quick connectors, filter brackets, seals, water valves, fittings, pressure gauges, filter housings, mounting plates, water pumps, drain clamps, hoses and tubing for filters, and osmosis tanks. These are solutions that help keep the system in good condition and ensure its reliable operation for a long time.

Parts and accessories for reverse osmosis
Installation, service, and operating components for RO systems.

Why is it worth choosing the right accessories for reverse osmosis?

Properly selected components have a direct impact on safety, ease of use, and filtration efficiency. Even small parts, such as seals, fittings, or valves, are important for the proper operation of the system.

  • greater installation safety – thanks to leak sensors, tight connections, and stable mounting,
  • easier maintenance – with the help of filter wrenches, valves, and quick connectors,
  • better control of system operation – thanks to pressure gauges and flow restrictors,
  • longer device lifespan – thanks to regular disinfection and the use of proper spare parts,
  • more convenient installation and expansion – thanks to connections, mounting plates, brackets, and tubing,
  • continuous access to drinking water – thanks to properly selected tanks and water pumps.

What parts and accessories for reverse osmosis filters will you find in this category?

Components improving safety and hygiene

Water leak sensors warn about potential leaks, helping prevent room flooding and equipment damage. These are among the most important accessories that increase the safety of using an RO system.

Disinfectants help maintain system cleanliness by assisting in the removal of bacteria and other contaminants. Regular disinfection is important for maintaining hygiene and the longevity of reverse osmosis.

Components for installation and tight connections

For efficient installation and trouble-free operation, appropriate water connections, straight quick connectors, elbow quick connectors, tee quick connectors, fittings, and seals are needed. These components allow safe and flexible connection of individual parts of the system, while also helping prevent leaks and pressure drops.

Filter brackets, mounting plates, and drain clamps help keep the installation organized and ensure stable mounting of its components. Thanks to them, the system operates more reliably, and the whole setup is more aesthetic and easier to service.

Components supporting proper system operation

Flow restrictors help control the amount of water flowing through the system, which promotes optimal operation and water savings. Water valves make it possible to control the flow and shut off the supply during maintenance work.

Pressure gauges allow you to monitor pressure in the system, which makes ongoing control of operating parameters easier. In turn, water pumps increase pressure in the installation, which is especially important where mains water pressure is too low for proper reverse osmosis operation.

Operating and user components

Filter housings protect filter cartridges from damage and contamination, supporting their long service life. Hoses and tubing for filters are responsible for proper water flow in the system and are available in various diameters.

Osmosis tanks store purified water and ensure its availability when needed. The offer includes tanks with various capacities, which makes it easier to match the solution to the user's individual needs.

Filter wrenches, in turn, are practical service accessories that significantly facilitate the replacement of filter cartridges and regular maintenance of the device.

Tips for choosing parts and accessories for an RO system

When purchasing, it is worth paying attention not only to the product type itself, but also to its compatibility with your existing installation and intended method of use.

  • Check which component in your system requires replacement or expansion.
  • Match fittings, tubing, and connections to the specific connection layout.
  • If you want more convenient servicing, choose filter wrenches, valves, and quick connectors.
  • If there is low pressure in the installation, consider using a water pump.
  • If you want to increase usage safety, include a water leak sensor.
  • To maintain system hygiene, remember regular disinfection.
  • Match the tank capacity to the demand for drinking water at home or in the workplace.

Overview of the applications of the most important components

Type of component Application Main benefit
Water leak sensors Leak detection Protection against flooding and equipment damage
Filter wrenches Replacing filter cartridges Faster and easier maintenance
Flow restrictors Controlling the amount of water in the system Optimal operation and water savings
Disinfectants Maintaining system cleanliness Hygienic water and greater installation durability
Seals, fittings, quick connectors Connecting system components Tightness and reliability of connections
Water valves Shut-off and flow control More convenient operation and servicing
Pressure gauges and water pumps Control and improvement of operating parameters More stable RO system performance
Osmosis tanks Storage of purified water Constant access to drinking water

High-quality parts and accessories for reverse osmosis help maintain the reliability of the entire system, make it easier to operate, and support the maintenance of high water quality. These are often small components that play a major role in the daily operation of the installation.

FAQ – frequently asked questions

Which reverse osmosis accessories are the most important in everyday use?

The most important components include, among others, water valves, seals, fittings, quick connectors, tubing, as well as filter wrenches that make maintenance easier. Their role is to maintain tightness, ease of use, and the proper operation of the entire system.

Why is a water leak sensor used in an RO system?

A water leak sensor helps quickly detect any possible installation leak. Thanks to this, the risk of flooding the room and damaging devices located near the system can be reduced.

What is a flow restrictor used for?

A flow restrictor controls the amount of water flowing through the system. This supports the proper operation of the setup, helps maintain its efficiency, and may contribute to more economical water use.

When is it worth buying a pump for reverse osmosis?

A water pump is particularly useful when mains water pressure is too low for the reverse osmosis system to operate properly. Increasing the pressure can improve the stability of the installation's operation.

What function do seals perform in an osmosis system?

Seals are responsible for the tightness of connections. They help prevent leaks and pressure loss, which is very important for the trouble-free and long-term operation of the system.

Is a filter wrench really necessary?

Yes, because it makes unscrewing housings and replacing filter cartridges much easier. Thanks to it, maintenance is faster, more convenient, and less problematic.

Why disinfect a reverse osmosis system?

Regular disinfection helps maintain system cleanliness, reduce the presence of bacteria and other contaminants, and support hygienic water quality. It is also an important part of ensuring the longevity of the installation.

How to choose an osmosis tank?

The tank should be selected according to drinking water demand and the way the system is used. Different capacities make it possible to match the solution to the number of users and the intensity of water consumption.

What are quick connectors and fittings used for in an RO system?

They are used for safely connecting various components of the installation. They make installation, servicing, and system expansion easier, and when properly matched, they help maintain connection tightness.