Shower pump installation in London
A shower fed from a tank in the loft can be pumped up to something worth standing under. A shower fed straight off a combi boiler cannot be pumped at all, and anyone who says otherwise is about to sell you the wrong thing. The first job on this page is telling you which system you have.
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What this includes
- Shower pump installation on gravity-fed systems
- Replacing failed and noisy pumps
- Positive and negative head pumps correctly matched
- Whole-house pressure pumps and accumulators
- Vibration, noise and mounting problems
- Fault-finding on pumps that run on or cut out
Worth knowing first
Some of this may save you a callout entirely. We would rather tell you than not.
You cannot pump a combi boiler
A combi heats mains water on demand, and pumping the mains supply into a house is not permitted. If your shower runs off a combi and the pressure is poor, the answer is somewhere else entirely — the supply pipe, a partly closed valve, or a scaled shower head.
Positive or negative head is not a detail
It depends on how far the cold tank sits above the shower outlet. Fit the wrong type and the pump either never starts or never stops. It is the single most common reason a replacement pump fails within months.
Pumps are noisy, so where it goes matters
A pump bolted to a joist under a bedroom will be heard through the whole house. On a solid base, on anti-vibration feet, with flexible hoses either side, it is a hum in an airing cupboard.
Air is what kills them
Most pumps that fail early have been running with air pulled in through the tank feed. Getting the feed right at installation matters more than the make of pump.
Common questions
Can I pump the shower in my flat?
Only if it is fed from a stored cold tank and a hot cylinder. If it is combi or mains-pressure unvented, no — and there is usually another way to improve it.
Why does my pump keep running after I turn the shower off?
Usually a passing valve or a dripping outlet keeping the flow switch active. Occasionally the pump itself. It is worth fixing quickly because running on is what burns them out.
How long should a shower pump last?
Years rather than decades, and how it was installed matters more than what was paid for it — the feed, the mounting and the head type do most of the deciding.
Can you make an existing one quieter?
Often, yes. Anti-vibration mounts, flexible hoses and moving it off a resonant surface deal with most of it without replacing anything.
Part of our bathrooms & pumps work
If the job turns out to be a repair rather than an installation, these are the pages that cover it.
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Bathroom Installation
A single fixture swap through to a full strip-out and refit, priced up front.
More on Bathroom Installation -
General Plumbing
Taps, toilets, radiators and pipework. The jobs that never quite get done.
More on General Plumbing
Other appliance work
Need shower pumps in London?
Tell us what’s happening and where you are, and we’ll tell you what it costs before anyone starts work.