Who Can Replace a Broken Stopcock in Calpe?

These faults build up slowly. Most people discover them at the worst possible moment, because that is the only moment anyone looks:

• the valve is hard or impossible to turn;
• water keeps flowing with the valve closed;
• the valve leaks when you operate it;
• corrosion around the valve or its connections;
• the handle or the internal mechanism is damaged;
• it has not been turned in years and appears seized.

That last one is the most common and the easiest to miss, because nothing looks wrong. A valve nobody has touched since the property was built is not a working valve — it is an untested one.

In this article

1. How do I know if it needs replacing?
2. Check yours before you need it
3. Why a working stopcock matters
4. Can a seized stopcock be repaired?
5. Where is the main stopcock?
6. What happens when it is replaced
7. How 100% Plumbing can help

This is the part nobody does, and it takes two minutes.

1. Find itIf you do not know where it is, that is the first problem to solve — see the locations below.
2. Close it gentlyClockwise, by hand, without force. If it will not move easily, stop. Do not reach for a wrench.
3. Check it actually stopped the waterOpen a tap. If water keeps coming after a few seconds, the valve is not sealing even though it turned.
4. Open it againAnticlockwise, and leave it a fraction short of fully open — a valve wound hard against its end stop is more likely to seize there.
5. Do it once or twice a yearA valve that gets turned occasionally stays turnable. That is the whole trick.

The main stopcock controls all the water coming into the property. It is the one thing that turns a burst pipe into a wet floor instead of a flooded house.

A faulty one takes that away at the exact moment you need it. If a pipe fails and the valve will not close, the water keeps coming until somebody with the right equipment arrives — and in the meantime the damage is being done to floors, walls, ceilings and everything in the room.

If you are in that situation now with an active leak you cannot isolate, our emergency plumbing service is the number to call. And if the failure was the supply pipe rather than the valve, who can repair a broken water supply pipe in Calpe covers that.

The deciding factor is not whether it can be made to turn — it is whether it can be trusted. A valve that was freed with difficulty and might seize again is not much use as the thing you are relying on in an emergency.

In most properties here it is in one of these places:

• near where the mains supply enters the property;
• under the kitchen sink;
• in a utility area;
• near the water meter;
• in an external service box or meter cupboard.

In an apartment it is rarely that simple. There may be a valve inside the flat controlling your supply, another in a shared riser or landing cupboard, and a meter somewhere else entirely — and they do not all do the same thing. Knowing which one actually isolates your flat is worth establishing on a calm afternoon rather than at two in the morning.

If you are not sure which valve controls the full supply, that is a reasonable thing to have confirmed. It is a five-minute question for a plumber who is already on site for something else.

Read next
What is a stopcock, and why every homeowner should know where it is

1. Identify the right valveAnd confirm it is the one controlling the whole supply, which in an apartment is not always obvious.
2. Isolate the water safelyUpstream of the valve being replaced — sometimes at the meter or the building supply.
3. Assess the valve and its connectionsBecause the pipework around an old valve is usually the same age as the valve.
4. Remove and replaceThe damaged valve comes out, the new one goes in.
5. Restore the supply and testCheck for leaks at the new joints and confirm the valve closes and seals properly.

If the corrosion turns out to extend beyond the valve itself, that becomes general plumbing work on the surrounding pipework — which is better to find out during a planned replacement than during an emergency.

We deal with faulty stopcocks, leaking isolation valves, damaged pipework and wider supply problems across Calpe and the Marina Alta. If there is unexplained water loss alongside the valve fault, locating it is part of the same visit.

See general plumbing and our full range of plumbing services.