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Posted (edited)

One more question.

 

Are there complications with a shower bath type setup, due to the branched cold supply?

 

I guess it depends on the exact layout.

 

Ferdinand

Edited by Ferdinand

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The "problem" I am having looking for parts to make that DIY one is the 42 - 54 reducer.  You need a "slip" version to allow the 42mm to pas through.. Normally there is a stop that won't allow the 42mm all the way through.

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Note that SAP 'approved' product must be used if you want to take advantage of this technology. Also don't expect any meaningful improvement in SAP rating (+1 point if lucky?) or CO2 emissions (less than 0.5 kg CO2/m2/yr reduction?) depending upon system, water use etc, etc.

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17 hours ago, ProDave said:

He has plumbed the heat recovery into the feed to the hot water tank. I think it would be better to connect it to the cold water feed to the shower thermal mixer valve?

 

You can connect either or both. You get the highest efficiency from connecting both the tank and mixer valve: http://recoupwwhrs.co.uk/installation/installation-methods/

 

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