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If your shower stumbles, drips, or simply lacks power, the problem is often a small part rather than a whole new bathroom. Choosing the right shower parts saves time, money, and frustration — and keeps your mornings running smoothly. In this guide I’ll walk you through the essentials: what parts to look for, trusted UK shops where you can buy them, and practical tips for fitting and troubleshooting. Think of this as a toolbox in words — ready to hand when you need it.
Two names you’ll run into a lot when hunting for shower parts in the UK are Expert Electrical and Redring. Expert Electrical operates as a specialist retailer stocking electric showers, spares, and accessories. Redring is a long-standing brand known for electric shower units and straightforward replacement parts. One product you might see listed is the Redring Instant Manual Electric 3kw Hand Wash — a compact electric unit designed for low-power situations. When you’re choosing parts, these familiar names can offer reassurance on availability and compatibility.
Redring built its reputation on simple, reliable electric showers that are easy to install in many properties. If you live in a place without strong hot water flow, low-power electric units such as the model above can be a good fit. The advantage with established brands is spare parts are usually available, so you can replace a worn element or thermostat rather than buying a new unit outright.
Shower systems are a collection of parts, and knowing which one is misbehaving helps you fix problems fast. Here’s a quick rundown of the usual suspects and signs that they need replacing.
Clogged or uneven spray usually means limescale or a blocked nozzle — sometimes a clean will do. But if the spray pattern is permanently damaged or rust shows, replacing the head is a cheap and effective upgrade. Standard showerheads often come in diameters like 6 in to 8 in for handheld or rain styles, so check size compatibility before you buy.
If you’ve got temperature fluctuations, leaks from the mixer, or trouble switching between bath and shower modes, a worn cartridge or valve is often to blame. These parts tend to be brand-specific — measure the old cartridge or bring it into the shop to match it correctly. Many mixer valves use common thread sizes such as 1/2 in, so double-check your fittings.
Hoses get kinks, splits, and leaks over time. Replacement hoses are inexpensive and easy to swap out. While you’re at it, inspect the holder bracket and clips; they’re cheap to replace and often restore the whole shower’s feel.
Never underestimate a small rubber seal. A failing O-ring or seat washer can cause drips and pressure loss. Keep a few common sizes at hand — many are sold in packs — and you’ll often fix a drip in minutes.
Where you buy matters for price, warranty, and availability. Below are reputable UK retailers and suppliers where hobbyists, plumbers, and homeowners often shop for shower parts. I focus on stores that reliably carry both branded spares and generic parts so you have options.
Expert Electrical specialises in electric shower units and associated parts. If you’re after branded spares for an electric unit like Redring, they’re a natural place to look. They often stock elements, thermostats, and control knobs — the bits you most commonly need for electric shower repairs.
Screwfix is a go-to for tradespeople and DIYers. They stock a huge range of shower parts: heads, hoses, cartridges, and valves. The advantage is wide availability and often same-day pickup from your local branch, so it’s great when time matters.
B&Q is a mainstream option for modern bathroom hardware and finishes. If you want a stylish replacement showerhead or a designer hose to freshen up a bathroom, B&Q’s selection makes it easy to match finishes and styles without hunting specialty suppliers.
Wickes offers practical and budget-friendly bathroom parts. They’re useful when you want a quick swap-out part and don’t need specialist branded spares. Wickes often stocks entry-level mixer components, hoses, and basic handhelds.
Toolstation combines trade-level kit with competitive pricing. Their range includes cartridges, bath-shower parts, and even some branded elements. If you prefer to buy parts that professionals use, Toolstation is worth a look.
City Plumbing and Plumbase are trade suppliers with large ranges of plumbing parts and specialist fittings. For harder-to-find items — like specific mixer cartridges, thermostatic valve spares, or shower valve bodies — these suppliers are very useful. They’re especially convenient if you need commercial-grade parts or unusual sizes.
Travis Perkins serves pro builders and serious DIYers. They stock a broad range of shower parts and can often source specialist components or recommend compatible alternatives when a direct spare isn’t available.
Online marketplaces like Amazon can be fast and comprehensive, covering both branded and aftermarket parts. Be cautious with unknown sellers and always check product compatibility carefully. Specialist online retailers focused on showers and bathroom parts can also offer quick support and detailed product lists.
Before you buy, pause and check these essentials. A little prep saves a return trip and keeps installation painless.
If possible, note the brand and model number from the unit or manual. That’s gold for matching cartridges, thermostats, and branded parts. Photos can help too when contacting a supplier.
Most plumbing threads in the UK are referenced in inches — 1/2 in and 3/4 in are common. Take a tape and measure the thread diameter if you’re unsure. Matching thread sizes avoids leaks and the need for adaptors.
Match showerhead diameter to the mounting or arm — common sizes are 6 in to 8 in for heads. Hose lengths are commonly sold in lengths such as 59 in (5 ft) or 79 in (about 6.5 ft), so pick one that suits your shower enclosure height.
If water conservation or pressure is a factor, look at showerhead flow rates in gpm. Typical efficient heads run around 1.5 gpm; standard heads are about 2.5 gpm. Lower gpm saves water and energy but may reduce the perceived pressure.
Electric showers require special attention because they combine water and electricity. If you own an electric shower or are considering the Redring Instant Manual Electric 3kw Hand Wash model, here are key safety points and practical tips.
Electric showers heat water on demand, which is handy if you don’t have a strong hot water supply. Lower power units are designed for small properties and often work with weaker supply conditions. If you’re unsure about power compatibility, consult a qualified electrician — it’s worth the peace of mind.
Work involving electricity should be left to professionals unless you’re fully competent and registered to do such work. Make sure the unit is protected by a suitable RCD and that wiring complies with national safety standards. If you replace internal parts inside an electric shower, always isolate the power at the distribution board first.
Some fixes are easy: swapping a showerhead, replacing a hose, or fitting a new handset. Others, like changing a mixer cartridge or working inside an electric shower unit, often need professional skills. Here’s how to decide.
Hoses, heads, and seals are great DIY jobs. They usually require just a wrench and some PTFE tape for threaded joins. Handhelds and simple mixers typically come with instructions you can follow in a weekend.
Anything that involves live wiring, internal electric shower elements, or cutting into pipework under pressure. If you need a new shower valve that requires opening walls or access panels, a pro saves effort and prevents mistakes that cause leaks and damage.
Keeping shower parts working well is mostly about simple maintenance. Regular checks and small cleanings can extend the life of parts and keep water flow consistent.
Showerheads benefit from periodic cleaning. If you notice an uneven spray, soak the head in a mild descaling solution or clean nozzles with a soft brush. If you prefer not to use chemicals, a gentle scrub with a toothbrush often dislodges debris.
Small drips can point to a failing O-ring or a worn seat. Spot these early and replace the small part before the problem worsens. A quick replacement is usually inexpensive and fixes water waste.
Replacing a single worn part can keep a shower functional for years. But sometimes a whole upgrade makes sense — especially if you want better water efficiency or a modern look.
If the unit is old and multiple parts are failing, the combined cost of spares plus labour might edge towards a new unit. On the other hand, replacing one thermostat, cartridge, or hose can be remarkably economical and fast — especially with parts from suppliers like those above.
Thinking green doesn’t mean compromising comfort. Low-flow showerheads and aerating nozzles reduce water use measured in gpm, which lowers water and energy bills. If you want the sensation of a strong spray without wasting water, look for models designed to boost pressure while keeping flow to around 1.5 gpm.
Before you click buy, remember these final pointers. Check the warranty length, confirm what it covers, and keep a receipt or order reference. If possible, buy from suppliers who provide quick support or can advise on compatibility — that saves time if you hit a snag during installation.
Fixing or upgrading your shower doesn’t have to be a chore. With a little knowledge — knowing the part you need, measuring fittings in inches, and choosing a trustworthy supplier — you can restore comfort and efficiency quickly. Whether you grab a replacement hose from a local branch, order a branded Redring spare from a specialist, or pick up a stylish new head from a high-street retailer, the right part is usually one purchase away. Take the checklist, measure carefully, and don’t be afraid to ask a pro for help on anything electrical or complex.
| Shower Parts | Price | |
|---|---|---|
| Redring Instant Manual Electric 3kw Hand Wash | £ 64,43 |
