How to Replace Your Kettle Water Filter in 5 Steps
By Buy Kettles, Toasters, Irons & More Online | Russell Hobbs UK | Published: 2026-10-23
Category: How-to Guides
Learn how to replace the anti-scale water filter in your Russell Hobbs Luna or Eclipse kettle. Step-by-step guide with common mistakes to avoid.
Quick answer
Replacing the anti-scale water filter in your Russell Hobbs Luna or Eclipse kettle takes only a few minutes. Follow these five steps to keep your water tasting fresh and your kettle running efficiently.
Why Replace the Filter Regularly?
Over time, mineral deposits from hard water can clog the mesh of your kettle’s water filter. A blocked filter reduces water flow, may affect taste, and can even cause the kettle to boil slower. Replacing it every one to three months (depending on your water hardness) prevents scale buildup inside the kettle and keeps each pour clean.
The Russell Hobbs Anti Scale Water Filter is designed specifically for Luna and Eclipse kettle models. Using the correct replacement ensures a snug fit and proper filtration.
What You’ll Need
You only need the correct replacement filter – the Russell Hobbs Anti Scale Water Filter for Luna & Eclipse Kettles. No tools are required. Make sure your kettle is unplugged and completely cool before you start.
5 Steps to Replace Your Kettle Water Filter
- Step 1: Unplug and cool down: Unplug the kettle from the mains and let it cool completely if it was recently used. Working on a hot kettle can damage the filter housing and risk burns.
- Step 2: Open the lid and locate the filter: Lift the kettle lid fully. The filter is located inside the spout opening or attached to the lid, depending on your Luna or Eclipse model. It is usually a small, rectangular mesh cartridge clipped into place. Common mistake: forcing the lid open while the kettle is hot can warp the plastic. Always wait until cool.
- Step 3: Remove the old filter: Gently pinch the old filter and pull it upward or outward. It should slide out without excessive force. If it feels stuck, check that no limescale has glued it in – a gentle wiggle usually loosens it. Never use metal tools to pry the filter out; they can scratch the kettle interior.
- Step 4: Insert the new filter: Take your new Russell Hobbs Anti Scale Water Filter and push it firmly into the same slot until it clicks or sits flush. Ensure it is oriented the same way as the old one (the mesh side faces the spout). Common mistake: inserting the filter backwards. The mesh should face the direction water pours out.
- Step 5: Test and rinse: Close the lid, fill the kettle with fresh water, and boil it once. Discard this first boil water – it removes any loose dust from the new filter. Your kettle is now ready for daily use. Always discard the first boil after filter replacement to avoid a slight papery taste.
Product used in this guide
- Anti Scale Water Filter for Luna & Eclipse Kettles: The Anti Scale Water Filter for Luna & Eclipse Kettles is priced at USD 2.99 (catalog comparison USD 4.99) and costs £3.99 standard delivery, with free shipping on orders of £30 or more. It is an affordable, genuine replacement that fits perfectly and actively reduces limescale buildup in your kettle.

Anti Scale Water Filter for Luna & Eclipse Kettles
