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Old 03-15-2006, 06:40 AM   #1
Join Date: Mar 2006
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10mm plastic central heating capacity

I'm refurbishing my lounge and want to change the piping to 3 radiators in my lounge to 10mm plastic from copper 15mm for ease of installation/how it looks/no carpet holes etc using horizontal push fit connections.

The existing 15mm run to the lounge (off a 22mm feed) branches 2 ways - one to a 6000 btu rad approx on a run of about 5 metres and the other branch then splits into two and and each run of about 3 metres feeds a 6000 btu rad.

Can the 10mm deliver the heat I require if I simply replace?

What else do I need to take into account to ensure the set up works fine?

Would it be best to use the 10mm only as final tails?
Many thanks.

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Old 03-19-2006, 11:28 AM   #2
Join Date: Aug 2004
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10mm plastic central heating capacity

Yes 10mm will be able to deliver the required kW output, but it will probably require an increase in pump pressure, this may increase system noise and upset circuit balance. I would not be tempted to do this as10mm should be used only with a properly designed micro bore system.

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