Pressure limiter

28 Nov 2020
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United Kingdom
Can anyone recommend a pressure limiter to use with a water softener? The instructions say if the pressure is above 5 bar, limit it to 3.5 bar. I've told the plumber several times but he hasn't done it so I plan to buy it and give it to him to fit the next time he visits.

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i purchased 1 from screwfix to limit the cold supply to a shower mixer
but they do others
cant find the details - i purchased around 2018 ish and works fine
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Honeywell D04FM - but make sure you get one to suit the connections (15 mm / 22 mm or BSP).
What’s your water pressure without it ,most areas don’t get 3 bar
Very high, last time it was measured it was 6bar. But that was through a very old rusted steel mains pipe, with a small internal diameter due to the rust, which I guess made a difference. We've replaced it with a blue pipe but it is still really high

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