Mixer showers are supplied with hot and cold water and these supplies can vary in temperature and pressure.
- Pressure balanced mixer showers
These mixer showers recognise and compensate for fluctuations in the incoming water pressure in order to maintain a showering temperature within +/- 1c.
However, pressure-balanced mixer showers DO NOT make allowances for fluctuations in the incoming water temperature. Under such circumstances, the water delivered through the shower will be prone to temperature variation.
- Thermostatic mixer showers
These shower mixers recognise and compensate for fluctuations in both the incoming water pressure AND the incoming water temperature. Therefore, if someone runs a tap or flushes a toilet, the shower will adjust to keep the shower temperature within +/- 1c. This can be important in maintaining the temperature, particularly if there are young children or elderly people in the household.
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