RO Accessories

Reverse Osmosis Water Filters – Spares and Accessories

As a leading supplier in all things water filtration, the team here at Direct Water Filters can supply you with high-quality accessories for Reverse Osmosis water filters. Giving you the means to continue to purify your everyday drinking water, each item has been selected from some of the leading manufacturers; chosen for their efficiency, ease-of-use and relative long-lasting quality.

Keep your water supply ticking over by removing all the contaminants and chemicals you don’t want – with Direct Water Filters, it’s as easy as turning the tap on.

Accessories For Reverse Osmosis Water Filters



Reverse Osmosis water filters are multi-stage systems that are lauded for their efficient filtering of even the most problematic contaminants. They do not require constant monitoring but like any filter, they will need their cartridges changing (typically every 6 months) as well as the membrane that completes the system. Oftentimes, you may need to cleanse the storage tank and monitor the ongoing health of the cartridges and membrane too.

So, to help you to better maintain your RO filter system, we have created a range of accessories that can make the process easier, quicker and far more efficient. Whether you’re servicing your filter or just looking for some spare parts for the future, you will find everything you need amongst our range.

Just an example of the items we have on sale include:

RO Water Filter Valves

We have a complete range of water filter valves for Reverse Osmosis systems, including float, feed and auto-shutoff valves. Automatic shutoff valves will shut off or turn on depending on the levels of water in the tank. Operated from the membrane, they work in conjunction with the pre-pressurised tanks and float valves to automatically turn off the feed to the RO system when the tanks are full, and back on when the tank water level drops below a certain point. Designed to help save and conserve water, they operate mechanically and no electricity is required in their usage.

Reverse Osmosis Booster Pumps

If your incoming water pressure is below the level required by the Reverse Osmosis system, a RO booster pump can ensure it gets back to where you need it to be. Low-pressure environments will disrupt the performance of Reverse Osmosis water filters, making them produce less filtered water. With a booster pump, the water pressure can be raised to improve the performance of your filter.

Housing For Water Filters

If you’re looking for spare or replacement housing for your water filters, we have a wide and diverse selection for your to choose from – from solid parts that simply store liquids, to clear water filter housing that allows you to inspect the quality of the water (as well as offer a robust housing facility for your filtered water).

TDS Testers

TDS (‘Total Dissolved Solids’) refer to the total amount of dissolved materials, salts or metals, cations and anions that are in a given volume of water. Measured in mg/L or ppm (‘parts per million’) when the level of TDS rises in your water, it’s a sure-fire indicator that your water has a high number of containments in it. A TDS tester measures the level of total solids in the water and ultimately determines whether the membranes and/or cartridges of Reverse Osmosis water filters need replacing. Here at DWF, we have a high-quality selection of TDS testers that ensure you’re able to stay atop of your water filter maintenance.

Water Filter Hoses and Connectors

Ensure your water is able to flow uninterrupted through your system with working water filter hoses and associated connectors. We have a range of low-cost, but extremely efficient replacement parts for most RO systems.

Sink Faucets & Taps

Complete your water filtration system with a sink faucet/tap that has been specially designed to work with RO Systems. Offering excellent durability through their Stainless Steel one-entire mould, they have a streamlined design that prevents the formation of limescale. Connecting taps that have been designed for Reverse Osmosis water filters is easy and being simple to clean and care for, they offer the perfect long-term solution for you to enjoy healthy water.

Need To Learn More About Our Water Filtration Systems? Get In Touch!

Feel free to browse our selection of spares and accessories for Reverse Osmosis water filters – if you have any questions about any of our products or on anything RO water filter maintenance in general, our expert team are on hand to help. Give them a call today on 01604 947 839 or send an e-mail to sales@directwaterfilters.co.uk and they’ll get in touch as soon as possible.

3 Way Kitchen Sink Faucet (Style A) Accessories

3 Way Kitchen Sink Faucet (Style A)

Specifications:Colour: Silver ChromeHeight: 304mmSurface Treatment: PolishedStyle:&nb..

£99.95

3 Way Kitchen Sink Faucet (Style B) Accessories

3 Way Kitchen Sink Faucet (Style B MALTA)

Kitchen tap Malta has three water flows, hot. cold and filtered.360° rotation spout. Timeless, simpl..

£170.00

Premium Contemporary Style Single Lever Filter Tap AccessoriesCONTTAP

Premium Contemporary Style Single Lever Filter Tap

Premium single lever ceramic disc water filter tap threaded shaft length 55mm height from workt..

£19.95

Standard Single Lever Water Filter Tap Accessories

Standard Single Lever Water Filter Tap

Single Lever Water Filter Tap A standard reach chrome tap. threaded shaft length: 60mm..

£12.95

Traditional Single Lobe Lever Water Filter Tap AccessoriesTRADTAP

Traditional Single Lobe Lever Water Filter Tap

Traditional single lobe lever water filter tap Compact design, stylish chrome finish and reverse osm..

£15.95

1/2" Feed Water Connector and 1/4" Pushfit Filter Connector Valve AccessoriesFWV-12-14Direct Water Filters

1/2" Feed Water Connector and 1/4" Pushfit Filter Connector Valve

1/2" Feed Water Connector and 1/4" Pushfit Filter Connector ValveThis valve and connector is used to..

£4.80

1/2" Feed Water Connector and 1/4" Pushfit Filter Connector Valve AccessoriesFWV-12-14Direct Water Filters

1/2" Feed Water Connector and 1/4" take off Connector Valve

1/2" Feed Water Connector and 1/4" take off Connector ValveThis valve and connector is used to conne..

£7.95

1/2" Feed Water Connector and 3/8" Pushfit Filter Connector Valve

1/2" Feed Water Connector and 3/8" Pushfit Filter Connector Valve

1/2" Feed Water Connector and 3/8" Pushfit Filter Connector ValveThis valve and connector is used to..

£4.80

1/2" Feed Water Connector and 3/8" Pushfit Filter Connector Valve Accessories

1/2" Feed Water Connector and 3/8" Pushfit Filter Connector Valve

1/2" Feed Water Connector and 3/8" Pushfit Filter Connector ValveThis valve and connector is used to..

£7.95

36v Solenoid Valve with 3/8 inch Quick Connect Fittings Accessories

36v Solenoid Valve with 3/8 inch Quick Connect Fittings

36V solenoid valve used in RO filtration systems equipped with a booster pump.Normally closed (NC)Sp..

£15.00

Auto Shut Off Valve Quick Connect Fittings Accessories

Auto Shut Off Valve 1/4" Quick Connect Fittings

Auto Shut Off Valve Quick 1/4" Connect Fittings for RO Reverse Osmosis Water SystemAutomatic shut-of..

£6.95

3/8" RO Auto Shut Off Valve Quick Connect Fittings Accessories

Auto Shut Off Valve 3/8" Quick Connect Fittings

Auto Shut Off Valve Quick 3/8" Connect Fittings for RO Reverse Osmosis Water SystemAutomatic shut-of..

£25.00

Digital TDS-3 Handheld TDS Water Meter

Digital TDS-3 Handheld TDS Water Meter

The Digital TDS-3 Water Meter is a low-cost Total Dissolved Solids (TDS) meter, for use in a variet..

£9.95

Drain Saddle Valve with 1/4" Quick Connect Accessories SADDLE-WASTE Direct Water Filters

Drain Saddle Valve with 1/4" Quick Connect

Drain Saddle Valve with 1/4" Quick Connect for Reverse Osmosis (Ro) SystemsDrain saddle valve used w..

£4.95

Garden tap on/off valve and pressure gauge Accessories

Garden tap on/off valve and pressure gauge

Garden tap on/off valve and pressure gaugeEstablish your water pressure going into your RO system, t..

£22.00

High Flow Self Cutting Valve & 3/4" to 1/4" push-fit connection Accessories

High Flow Self Cutting Valve & 3/4" to 1/4" push-fit connection

High Flow Self Cutting Valve to fit 15mm copper pipe Comes with a 3/4 BSP to 1/4" push-fit connectio..

£7.95

Pressure-Reducing Valve 1/4" push fit

Pressure-Reducing Valve 1/4" push fit

Pressure-Reducing Valve 1/4" push fitThe valve reduces high water pressure in the feed line connecti..

£6.95

RO Reverse Osmosis One Way Check Valve in-line 1/4" Straight connector Accessories

RO Reverse Osmosis One Way Check Valve in-line 1/4" Straight connector

One Way Check Valve for RO Reverse Osmosis Water Filter Systems. This valve allows water to only flo..

£4.95

RO Reverse Osmosis One Way Check Valve in-line 3/8" Straight connector Accessories

RO Reverse Osmosis One Way Check Valve in-line 3/8" Straight connector

One Way Check Valve for RO Reverse Osmosis Water Filter Systems. This valve allows water to only flo..

£9.95

Y connection fitting, with a 3/4" Three Way Connection AccessoriesY-SPLITTERDirect Water Filters

Y connection fitting, with a 3/4" Three Way Connection

Y connection fitting, with a 3/4" female BSP thread to two 3/4" male BSP threads. This effectively..

£7.95

1/2 Inch Water Hose  Accessories

1/2 Inch Water Hose

1 Metre 1/2 Inch Water Hose High quality food grade 1/2 " water hose sold in 1 metre lengt..

£2.46

1/4 Inch Water Hose AccessoriesHBQA-PIPE

1/4 Inch Water Hose

1 Metre 1/4 Inch Water Hose High quality food grade 1/4 " water hose sold in 1 metre lengths. If you..

£0.95

3/8 Inch Water Hose  Accessories

3/8 Inch Water Hose

1 Metre 3/8 Inch Water Hose High quality food grade 3/8 " water hose sold in 1 metre lengt..

£1.30

2 inch Clip For Inline Water Filter Accessories

2 inch Clip For Inline Water Filter

 Standard 2" filter cartridge bracketThis item is fully compatible with all water dispensing fr..

£1.94

1/4 Inch Clear Filter Housing Filter Housing

Clear Filter Housing

 Description:  1/4 Inch BSP Clear Filter Housing 10"-type filter housings offer the ..

£25.55

2.5 inch Clip for Inline Water filter AccessoriesCLIP2-5

2.5-inch Clip for RO Water Membrane Housing and Inline Water filters

2.5-inch Clip for RO Water Membrane Housing and Inline Water filters..

£1.94

3-inch Clip for RO Water Membrane Housing and Inline Water filters Accessories

3-inch Clip for RO Water Membrane Housing and Inline Water filters

3-inch Clip for RO Water Membrane Housing and Inline Water filters..

£2.50

2x 1/4 Pushfit x 1/4 Push Fit Straight Connectors AccessoriesHBQA-006A

2x 1/4 Pushfit x 1/4 Push Fit Straight Connectors

2x 1/4 x 1/4 Push Fit Straight Connectors..

£2.95

1/2" Inch 90 DEG Push Fit Elbow

1/2" Inch 90 DEG Push Fit Elbow

1/2" Inch 90 DEG Push Fit Elbow..

£4.56

1/2" to 3/8" 90 DEG Push Fit Reducing Elbow

1/2" to 3/8" 90 DEG Push Fit Reducing Elbow

1/2" to 3/8" 90 DEG Push Fit Reducing Elbow..

£4.56

2x 1/4 x 1/4 Inch 90 DEG Push Fit Elbows AccessoriesHBQA-004A

2x 1/4 x 1/4 Inch 90 DEG Push Fit Elbows

2x 1/4 x 1/4 Inch 90 DEG Push Fit Elbows..

£2.95

3/8 Inch 90 DEG Push Fit Elbow

3/8 Inch 90 DEG Push Fit Elbow

3/8 Inch 90 DEG Push Fit Elbow..

£2.95

2x 1/4 x 3/8 Inch Push Fit 90 DEG Elbows AccessoriesHBQA-004B

2x 1/4 x 3/8 Inch Push Fit 90 DEG Elbows

2x 1/4 x 3/8 Inch Push Fit 90 DEG Elbows..

£2.95

1/4 Inch Push Fit x 3/4 Inch BSP Tap Connector AccessoriesHBQA-026B

1/4 Inch Quick Connect x 3/4 Inch BSP Tap Connector

1/4 Inch Push Fit x 3/4 Inch BSP Tap Connector..

£1.94

3/8 Inch Push Fit x 1/2 Inch BSP Tap Connector  Accessories

3/8 Inch Push Fit x 1/2 Inch BSP Tap Connector

3/8 Inch Push Fit x 1/2 Inch BSP Tap Connector..

£3.95

3/8 Inch Push Fit x 3/4 Inch BSP Tap Connector  Accessories HBQA-38-34 Direct Water Filters

3/8 Inch Push Fit x 3/4 Inch BSP Tap Connector

3/8 Inch Push Fit x 3/4 Inch BSP Tap Connector..

£3.95

Housing wrench For 2.5 x 10 inch Filter housing Accessories

Housing wrench For 2.5 x 10 inch Filter housing

Universal housing wrench For 2.5 x 10 inch  Filter housing..

£4.95

2x 1/4 npt x 1/4 Push Fit elbow Connectors Accessories

2x 1/4 npt x 1/4 Push Fit elbow Connectors

2x 1/4 npt  x 1/4 Push Fit elbow Connectors..

£2.95

2x 1/4 Pushfit x 1/4 NPTF Connectors Accessories

2x 1/4 Pushfit x 1/4 NPTF Connectors

2x 1/4 Pushfit x 1/4 NPTF Connectors..

£2.95

1/4 Inch Push Fit x 1/4 Inch Push Fit Shut Off Valve Accessories

1/4 Inch Push Fit x 1/4 Inch Push Fit Shut Off Valve

1/4 Inch Push Fit x 1/4 Inch Push Fit Shut Off Valve..

£3.60

3/8 Inch Push Fit x 3/8 Inch Push Fit Shut Off Valve

3/8 Inch Push Fit x 3/8 Inch Push Fit Shut Off Valve

3/8 Inch Push Fit x 3/8 Inch Push Fit Shut Off Valve..

£5.50

2.5" x 2" RO Post filter Connection Kit  Accessories2+2.5ROKITDirect Water Filters

2.5" x 2" RO Post filter Connection Kit

2.5" x 2" RO Post filter Connection Kit.this kit connects another inline filter to your RO system, c..

£9.95

2" x 2" RO Post filter Connection Kit Accessories2+2ROKITDirect Water Filters

2" x 2" RO Post filter Connection Kit

2" x 2" RO Post filter Connection Kit.this kit connects another inline filter to your RO system, com..

£9.95

RO Storage Tank Accessories RO-TANK Direct Water Filters

RO Storage Tank

Plastic RO water storage tank 3.2 GAL (12 liters). Dimensions (height x OD): 345 mm x 235 mmcom..

£32.50

RO Storage Tank Valve

RO Storage Tank Valve

on off replacement valve for Plastic RO water storage tank 3.2 GAL (12 liters). ..

£6.00

RO Systems Automatic Auto Shut Off, Float Valve Accessories

RO Systems Automatic Auto Shut Off, Float Valve

Adjustable float valve Ideal for RO systems holding tank, designed for use with all types of pure wa..

£13.95

RO Systems Automatic Auto Shut Off, Float Valve Conversion Kit Accessories

RO Systems Automatic Auto Shut Off, Float Valve Conversion Kit

RO Systems Automatic Auto Shut Off, Float Valve Conversion Kit     Useful If you ..

£18.95

1 inch Valve Head

1" Valve Head

Manual Backflush Valve Headto fit 2.5" vessel ..

£27.60

1/4" Quick Connect High Pressure Switch for RO Pump

1/4" Quick Connect High Pressure Switch for RO Pump

1/4" Quick Connect High-Pressure Switch for RO PumpHigh-pressure sensor for RO pump.Turns the pump o..

£9.95

1/4" Quick Connect Low Pressure Switch for RO Pump

1/4" Quick Connect Low Pressure Switch for RO Pump

1/4" Quick Connect High-Pressure Switch for RO PumpHigh-pressure sensor for RO pump.Turns the pump o..

£9.95

3/8" Quick Connect High Pressure Switch for RO Pump

3/8" Quick Connect High Pressure Switch for RO Pump

3/8" Quick Connect High-Pressure Switch for RO PumpHigh-pressure sensor for RO pump.Turns the pump o..

£14.95

4 mitre Pole and Brush Set

4 mitre Pole and Brush Set

a professional pole for the domestic and contract window cleaner alike.Pole Material: 100% Glass Fib..

£294.00

Adjustable Flow Restrictor 900-2300CC Accessories FR-A2-Q2 Direct Water Filters

Adjustable Flow Restrictor 900-2300CC

Adjustable Flow Restrictor 900-2300CC1/4 “ push-in quick fittings for easy installation..

£11.15

Single Bracket to fit BB10 housing

BB10 Single Bracket

Single Bracket to fit BB10 housingSingle metal bracket (frame) for filter housing BigBlue (BB) (10''..

£7.00

Manual Back flush Valve Head Accessories

Manual Back flush Valve Head

Manual Backflush Valve Headto fit 2.5" vessel ..

£48.00

Oil Filled Pressure Gauge Accessories

Oil Filled Pressure Gauge

Oil Filled Pressure Gauge1/8 “ male fitting 40mm mount..

£14.50

PURA RO Flow Restrictor

PURA RO Flow Restrictor

The flow restrictor is vital to the correct operation of the PURA RO system, it allows the wastewate..

£9.49

RO Flow Restrictor All Sizes Accessories

RO Flow Restrictor All Sizes

1/4 “ push-in quick fittings for easy installationsuitable for reverse osmosis RO, water filters and..

£4.95

3/8" connector for RO Booster Pump RO Accessories

3/8" connector for RO Booster Pump

3/8 inch Quick connect  x 3/8 inch NPT thread 90 deg fitting for RO pump..

£2.95

Reverse Osmosis Booster Pump RO Accessories

Reverse Osmosis Booster Pump

A high quality Reverse Osmosis / RO booster pump. These pumps are available in a choice of sizes dep..

£42.00

FRESCA Pressure Pump Module

FRESCA Pressure Pump Module

FRESCA RO pressure pump module for the Fresca RO system  ..

£99.95

PURA Pressure Pump Module

PURA Pressure Pump Module

PURA RO pressure pump module for the PURA RO system  ..

£59.95

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Accessories, Reverse, Osmosis

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