Inline Water Filters: Is It a DIY Job or One for a Handyman?
If your tap water tastes a bit off, or you’re fed up with limescale clogging your kettle, an inline water filter is one of the simplest upgrades you can make. Unlike a jug filter sitting on your worktop, it plumbs directly into your cold water supply, usually under the kitchen sink, and filters the water before it reaches the tap.
What’s actually involved
An inline filter is a small housing that sits in your cold feed pipe, with a replaceable cartridge inside. Brands like BRITA, Aqua Optima, BWT, and Culligan all make popular under-sink systems, or perhaps the Facebook ads are reaching you from newer brands like Maverick or Water2. Most work on the same basic principle: water passes through a carbon block or similar filter media before it reaches your tap. Some setups filter your existing cold tap, others feed a separate dedicated tap fitted next to it.
Fitting one means turning off the water supply, cutting into the cold feed pipe, connecting the filter housing inline with push-fit or compression fittings, and checking everything for leaks before you use it properly. None of that is complicated in principle. It’s the kind of job that’s genuinely within reach for anyone comfortable with basic DIY and a set of spanners.
Why people still call a handyman for it
The job itself isn’t hard, but a few things trip people up:
- No isolation valve under the sink. That means shutting off the water at the mains, which puts a lot of people off starting.
- Copper pipework instead of plastic. This usually needs different fittings, and sometimes soldering, which is a different skill set to a straightforward push-fit job.
- Wanting a separate filtered tap fitted. That often means an extra hole in the worktop or sink, which is a bigger job than swapping a cartridge inline.
- Just not fancying it. Plenty of people could do it, but would rather not spend a Saturday under the sink with a torch in their mouth.
None of those are reasons to feel bad about calling someone in. A leak under the sink that runs unnoticed for a week can do a lot more damage than the filter itself costs, so if you’re not confident, it’s worth getting it done properly the first time.
My advice
Find out where your water shut-off valve is before you start, that’s your fallback if anything doesn’t go to plan. Beyond that, just have a go. If you get stuck or you’d rather not risk it, give me a call and I’ll sort it.
If you’re in Sudbury, Bury St Edmunds, or anywhere else in Suffolk and want a hand fitting a water filter or sorting out your under-sink plumbing, get in touch.