Written by Dale Richardson - Updated: June 23, 2023
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A leaking shower is never fun - it's expensive, messy, and generally annoying at best . Luckily for you, though, you came to the right place. If your electric shower is leaking from the unit (electric shower box) then we've got you covered. There are a few potential causes to keep an eye out for, so let's get right into it.
The most common cause for a shower leaking from the unit are a busted Pressure Relief Device (PRD) or limescale buildup. Luckily, these are both pretty simple fixes.
We'll get to the specifics in a moment, but let's talk about what can cause various types of leaks first, yeah? It'll make it easier to troubleshoot if we know why the leaks happen in the first place.
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There are a few places that are common to find a leak in your shower:
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First things first - you're going to need to take some safety precautions. Electric showers (as the name implies) combine water and electricity - a potentially deadly combination. Nobody wants to die to a shower, so don't be dumb, listen to what I say next.
Before beginning anything else with your electric shower, you need to do the three following things:
Now, while you're doing this, it's good to take a look for limescale and damaged hoses or seals - but we'll cover that after the PRD replacement. Read through the entirety of this article before beginning to ensure you've done everything you can while taking the shower apart.
Now, here's how to replace a PRD:
While you're going through the above process, you'll want to keep an eye on a few things. Look for mineral or limescale buildup on or near the showerhead, and inspect the hose for any kinks or damage. This is especially important if you've noticed other leaks or a drop in water pressure. Additionally, you're going to want to look for warped or cracked O-rings and seals, replacing them if you notice they're ageing.
To remove limescale and mineral buildup, you can do the following with cheap white distilled vinegar and a tablespoon of baking soda:
If you notice severe damage to your shower's hose, you will want to replace it. Ignoring a failing shower hose will only lead to more issues down the line. Trust me, they're cheap and easy to replace, so just bite the bullet and do it if you even suspect it may be needed.
If your electric shower is leaking from the unit, there are a few potential causes. The most likely source of a leak from the shower itself is a blown PRD. These devices prevent a buildup of pressure in your water tank and are an important safety measure. Should this fail, it's vital that it's replaced quickly and effectively. Other potential causes include a buildup of mineral or limescale, and a failed showerhead or shower hose.
Luckily, each of these fixes is rather straightforward and simple, but it's still good to take care of them quickly. While replacing a PRD, keep an eye out for cracked or failing O-rings, a damaged hose, and an old, tired showerhead. Clean off the showerhead and hose, and replace anything that needs it - you may not want to, but it will pay off in the long run. Now get showering!
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