"A really good idea spoiled by lack of information. I was very pleased with my purchase and installation,untill i discovered that the unit allows water to flow from the cold high pressure side into the hot (low pressure ) while the shower IS TURNED OFF !!!
You must fit a non return valve on the hot side to prevent overflow into the roof tank
Not for low pressure supply, use pumped or more than 3m head"
2 of 2 people found this review helpful.
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Review 2 for Moretti Lungo Pressure Balancing Mixer Shower Flexible Exposed Chrome
"Instructions are hopeless! This mixer works where there is a large pressure difference between hot & cold. i.e. gravity fed hot and mains fed cold. However You need a good head on the hot ( I had about 4 meters, and flow rate was only just about acceptable) A Trevi Booster Venturi shower would be a much better option if the budget allows."