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auto by pass valves

Postby mart&cinders » Sat Jun 26, 2010 5:37 pm

i am about to have a combi boiler fitted and central heating do i have to have a auto by pass valve fitted thanks.
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Postby htg engineer » Sun Jun 27, 2010 4:47 pm

You don't have to, check manufacturers instructions some boiler have an integral bypass.

If not 2x lockshield valves on one radiator is a bypass.

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