Top 10 Water Tank Filter UK – Replacement Under-sink Water Filters

As an Amazon Associate I earn from qualifying purchases.

1. InSinkErator

Insinkerator New Replacement ISE Steaming Hot Water Tank & Filter Pack HWTF-1

InSinkErator - Latest uk specific 240v model. The latest insinkerator replacement boiling hot water tap replacement boiler unit. Replaces all old boiler unit and is compatible for use with any Insinkerator boiling water taps.
Height31 cm (12.2 Inches)
Length15.7 cm (6.18 Inches)
Weight1 kg (2.2 Pounds)
Width20.6 cm (8.11 Inches)
Part NumberHWTF-1

2. InSinkErator

Tank & Filter, Insinkerator 3N1 J Shape Instant Hot Boiling & Mains Water Tap

InSinkErator - This listing is the complete kit with everything included for a standard installation. Full, 2 year manufacturer's "repair at home" warranty. 750w boiler capable of producing 60 cups an hour. Insinkerator tank with genuine f-201 filter included - any images showing a different filter ARE FOR ILLUSTRATION PURPOSES ONLY. Chrome finish and J shape.

3. InSinkErator

InSinkErator GENUINE Replacement Hot Water Tank/Boiler with Official Filter, New for 2017!!!

InSinkErator - Suitable for models- hc3300, hc1100, h3300, GN1100 and 3N1. Includes 2 year manufacturer's warranty. New for 2017, improved model, Genuine Insinkerator Model. New, precise Electonic Temperature Control. New improved Sleek White Model.


Finerfilters Domestic 6 Stage Reverse Osmosis Unit with Diaphragm Booster Pump, Remineraliser Filter and Storage Tank, For the Very Best Drinking Water

FINERFILTERS - Finerfilters domestic undersink 6 stage reverse Osmosis System with Diaphragm Booster Pump 50GPD - For The Very Best Drinking Water. Membrane can last between 1 and 2 years dependent on incoming water quality and hardness.

The booster pump requires an electrical outlet supply and comes with a standard UK 3-Pin Plug. This also requires a minimum of 30 PSI 2 BAR to operate properly. This system will remove the vast majority of contaminants and total dissolved solids TDS from tap water including, Phosphate, Lead, Manganese, Bacteria, Copper, Iron, Fluoride, Chlorine, Viruses, Sodium, but not limited to, and Zinc. This superb system produces up to 190 litres per day of purified water and comes with 3 US gallon storage tank, Filters, Chrome faucet tap and all Tubing, installation manual, and Fittings required for easy installation.
Part NumberYDL-SGL-011

5. InSinkErator

Insinkerator 3573 Instant Hot Water Tap | Includes H1100C Chrome Tap, Tank & Filter

InSinkErator - Safe & filtered Drinking Water. Instant near boiling 98C, Steaming hot water. Reduces chlorine, lead, and other unpleasant tastes, chemicals and odours from the water. Perfect for tea, Coffee, Cooking and Cleaning. Complete kit including Tank, Filter & Tap.
Part Number3573

6. Geekpure

Geekpure 3-Stage Aquarium Countertop Reverse Osmosis Water Filter System-Portable-100 GPD

Geekpure - Tankless and without faucet, rv's, amazon asin :b07d9jkslj and b078htmhxv. Perfect for apartment, but add-On Drinking Water Kit with 4. 0 gallon tank available, business travel, vacation, boat, yacht, Mobil home or anywhere you need the pure water. All tube, quick push fittings, Ro membrane is NSF certificated, storage tank, to provide healthy, safe and pure water.

Smart-smart size, you may install it anywhere, capacity:100 gallon per 24 hours, the ratio of pure water and waste water is 1:2. High efficient-3-stage reverse osmosis drinking water filtration system with nsf certificated thin-film composite ro membrane filters down to 00001 micron, cadmium, fluoride, odor, cryptosporidium, mercury, reduce 99% contaminant, Giardia Cysts and more 1000+ contaminants, including Heavy Metal, Lead, Chlorine, Taste, Arsenic, Lead, Asbestos, Special design for your aquariums use.

System comes with all parts for an easy diy experience, don’t waste money for professional installation, you can understand everything about your system and install it with our clear, well-organized instructions in a couple of hours . Premium quality components ensure highest reliability and low maintenance for many years to come. Iso9001:2008 certificated manufacturer, also Member of Water Quality Association WQA-1 Year Warranty.
Height13.21 cm (5.2 Inches)
Length37.59 cm (14.8 Inches)
Weight1.6 kg (3.53 Pounds)
Width23.37 cm (9.2 Inches)
Part NumberGeekpure RO3-100G
Warranty1 Year Limited Warranty

7. Vyair

Vyair Compact 4-Stage 50 Gallons Per Day 189 Litres Reverse Osmosis Water Filter System With DI Resin Stage For Marine Aquariums

Vyair - Sensational filtration- vyair's advanced filtration technology ensures that these filter cartridges remove / Reduce Chlorine, Taste and Odour, Organic Chemicals, Particulates and Other Potentially Harmful Contaminants Present in your Drinking Water.

Low maintenance cost - vyair offer a Range of Value For Money Replacement Cartridges and Membranes Suitble For This Unit. Customer service- this product comes with 14 day returns policy. 4 stage- pp sediment filter, coconut shell carbon pre, 2 x 200GDP Membrane, granular Activated Carbon Block, Coconut Shell Carbon Post.

The full set- package contains the 2 filter cartridges, 50 gdp Membrane, 5 Meter Tubing and All Necessary Housings, DI Resin, Connections and Fittings. This does not apply to failures caused by Abuse, Misuse or Failure To Properly Comply With Installation Instructions. A high standard of care Is used To Manufacture and Build This Unit.
Height11.94 cm (4.7 Inches)
Length37.85 cm (14.9 Inches)
Width27.94 cm (11 Inches)


Mypure P1 formerly OnLine Active Plus, BRITA fitting with integrated water filter

BRITA - Dimension filter head with cartridge: w / 130mm / d / h 137mm / H 117mm / d / 265mm. Scope of supply: 1x brita kitchen tap, 2x adapter, 4x flexible hoses, practical wall mount, 1x filter head with three settings depending on water quality, 1x filter cartridge P1000, T-piece.

Perfect taste: for a full aroma of tea or coffee, metals such as lead and copper, the BRITA water filter reliably reduces limescale, and tasting substances such as chlorine in tap water. The brita kitchen mixer contains a handy cartridge status indicator; The filter cartridge can be inserted horizontally or vertically; Cartridge lasts up to 12 months max 1200 liters.

The built-in water filter brita p1000 immediately delivers freshly filtered water; Filter performance can be adapted to the individual water quality; Easy to install as second faucet. Dimensions vertically installed with wall bracket: W / 108mm / 265mm.
Height26.5 cm (10.43 Inches)
Length13.7 cm (5.39 Inches)
Weight2.5 kg (5.51 Pounds)
Width13 cm (5.12 Inches)
Part Number065751

9. iSpring

1/4" Tank Valve Included, 4 Gallon, iSpring T32M Pressurized Water Storage Tank with Ball Valve for Reverse Osmosis RO Systems

iSpring - Made from food grade butyl diaphragm with post-cure procedures provides a tasteless and odorless water chamber. Pre-pressurized between 7-10 psi for common use. 4 gallon metal pressurized tank with up to 3. Discharges effectively in both vertical and horizontal position. Tested by independent third-party to meet NSF/ANSI Standard. Stainless steel 1/4" NPT valve thread, Ball Valve Included. 2 gallon holding capacity.
Height35.56 cm (14 Inches)
Length27.94 cm (11 Inches)
Weight3.63 kg (8 Pounds)
Width27.94 cm (11 Inches)
Part NumberT32M

10. vyair

Vyair RO-50M 4-Stage 50 Gallons Per Day 189 Litres Reverse Osmosis Water Filter System With MB-115 DI Resin Stage for Marine Aquariums and Window Cleaning

vyair - Premium quality - a high standard of Care Is used To Manufacture and Build This Unit. 4 stage filtration - pp sediment filter, 50GDP Membrane, Granular Activated Carbon Block, Resin De-Ionisation.

This does not apply to failures caused by Abuse, Misuse or Failure To Properly Comply With Installation Instructions. The full set - package contains the 2 filter cartridges, MB-115 DI Resin, 5 Meter Tubing and All Necessary Housings, 50 gdp Membrane, Connections and Fittings. Low maintenance cost - Value For Money Replacement Cartridges and Membranes. Warranty - this product come with a warranty of 12 months.
Height20.8 cm (8.19 Inches)
Length41 cm (16.14 Inches)
Weight2 kg (4.41 Pounds)
Width40 cm (15.75 Inches)
Part NumberRO-50M