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Discuss Mixer shower - mains cold - gravity hot in the Plumbing Forum | Plumbing Advice area at PlumbersForums.net

Hi, I've seen a few posts about not using mains cold with gravity fed hot.

Ours is only about 0.1 bar for the hot.

The reasons given vary from possible backflow into hot cylinder to hard to get a good mix.

In that case how does the kitchen mixer tap work - that mixes gravity hot and mains cold to give warm water with no extra components as far as I can see. Why can't the same principle be used on a shower?

I've been to a house where on a bath it was a mixer tap with mains cold, and gravity hot, with a shower hose from the tap, and it was always very delicate operation to get a not too hot not too cold shower.

Our hot flows at 5l per minute. So when mixed with mains cold could get maybe 6 or 7 or more if hot is set to a hotter temp, which starts to make a decent shower.

Thanks
Walter.
 
It’s more down to the showers arnt designed for low pressure these days too restrictive
 

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