In article ,
Roland Perry wrote:
There's a special place in hell for plumbers who install a central
heating system without a drain cock.

I put mine in the cellar - the lowest point. Then realised you very rarely
need to drain down the entire system completely. So fitted one to a rad
convenient for outside access. That drains the system down sufficiently
for most things.

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*I'm pretty sure that sex is better than logic, but I can't prove it.

Dave Plowman London SW
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