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radiators always come on with hot water only selected

Postby andyl » Sat Mar 20, 2010 3:49 pm

I have a coventional gas boiler,with a hot water cylinder and 3 way valve.The radiators get hot when i select hot water only on the digital timer.The hot water warms up gradually though a hot loop in the copper cylinder
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Simply Build It

Postby stoneyboy » Sun Mar 21, 2010 9:23 pm

Check the 3-way is free and working OK.
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