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Megaflow Unvented Indirect System

Posted: Thu Nov 06, 2008 1:05 pm
by nick_ukay
Hi All

Does anyone know the correct procedure to drain the central hearting system. The reason i ask as i would like to fit a heated towel rail in our upstairs bathroom which will require changing the vales

I have a Megaflow HE indirect unvented system with a gas boiler