Essentials power shower

Jan 03, 2015 2 Replies

I bought a new essentials thermostatic power shower last year which runs from my HWC.



The old one packed up after 20 years.



I am replacing my boiler with a combi boiler and removing the associated HWC and tank in the loft.



Rather than replace the new shower with a mains mixer shower can I just remove the motor brushes so that the motor does not run and use the shower with mains pressure water?



I presume I will still need to have electricity to the shower to work whatever allows the water through, some sort of valve?



Check the max water pressure. People do sometimes leave a pump in the circuit when upgrading to mains pressure, and sometime later, the pump bursts, not having been designed to withstand mains pressure.

Depending on how it's designed, it may not need power at all when running at mains pressure. Power showers with separate pumps usually have a flow switch which detects gravity flow when you open the manual valve and turns on the pump. Showers with integral pumps usually have a micro-switch built into the water control knob which turns the pump on when you turn the water on. Either way it should work ok on mains pressure if you simply isolate its power supply. The only proviso is that a non-rotating pump may restrict the flow a bit. You'll need to suck it and see!

I have a feeling that there are regulations which prohibit boosting a shower which is directly connected to mains water.

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