If your booster pump has been installed correctly and to the manufacturer’s instructions, it should give you years of trouble-free operation. However, there are certain things you can do to keep it running smoothly. Here we look at caring for your pump for trouble-free operation.
Check the shower first
You should always make sure that the handset or shower head is cleaned and descaled regularly. The most common cause of a poor flow from the shower is not, as is often first suspected, the booster pump, but a block inside the handset or the shower rose. This is most likely to happen in areas with hard water and homes that haven’t had a water softener fitted.
Checking booster pump filters
If there is still poor flow after you’ve cleaned and descaled the shower head then it may be necessary to clean the filters inside the booster pump. The filters can become blocked with limescale in hard water areas and, after the initial installation of the pump or where a lot of work has been done on the pipework in a house, with jointing compounds, tapes, flux and other bits of debris. To clean the filters, turn off all service valves and disconnect the electrical connection to the booster pump. The filters are generally located behind the flexible connection pipes to the impellers. Remove them and clean them gently. Then reconnect the system and refill the pump by opening the valves.
Airlocks in booster pumps
Should you suspect that there’s an airlock in the pump which is impeding water flow, you’ll need to bleed the pump. You can do this by turning off the electrical supply to the pump and then open the shower mixer and any other taps that are fed by the pump, allow water out and then close them again. You can vent the pump directly by removing the connection pipes after you’ve turned off all the valves. Bleeding the entire system should be a last resort.
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