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Shower Pump Faults

If you are unsure of the source, hearing strange/loud mechanical noises can cause stress and worry. Often a skilled plumber can easily pinpoint the source of the problem and provide a simple fix.

Shower pumps are designed for long-term use with little maintenance. However, even a quality pump can malfunction.

What are the most common problems with shower pumps?

Noisy Shower Pumps

This can be a sign of a deeper problem within the shower or the pipes, rather than the pump. A noise or vibration in a shower pump could indicate the inner propellers of the unit aren’t able to turn. This is most often caused by a build-up of limescale (particularly in hard water areas), a stuck seal or an issue with the wall-mounted shower.  Older pumps without mounting pads or anti-vibration feet can become noisy as the pump’s vibration gets transferred to the surface or pipes that it is attached to.

The engineer needs to assess whether the pipes are properly supported, that the pump is correctly affixed and, most importantly, that the pump and shower system is operating correctly.

Leaking Shower Pumps

Over time the seal on a shower pump can deteriorate, causing a leak. This might only occur during use at first, but will eventually become a steady drip.  This means it is time to replace your seals.

If you plan to replace old seals yourself, a shower seal kit should do the job for you – universal kits will cater to most showers and start from around £15. We would recommend taking the advice of a reputable plumber to ensure the job is completed to a high standard and seals are tested in full and any potential issues eradicated.

Cold Shower Pumps

Shower pumps are more prone to issues if they become too cold. Protecting a shower pump in cold weather is important. Providing efficient insulation reduces the risk of breakdown.  The most common problem as a result of cold weather is bursting, but other damage can be caused through cold pipes.

Low Water Flow through Showers

Poor water flow through your shower can be caused by air locks in the system. To fix this issue you will need to bleed the shower pump – much in the same way you would need to bleed a radiator with cold spots.

Your plumber can bleed your shower pump and units if you are unsure how to do this.