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FAO PLUMBER boiler problems

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Old 30-05-2007, 04:36 PM
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Hardeep_Singh
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Default FAO PLUMBER boiler problems

right i have a saunier duval boiler ISOFAST F28 E and it constantly lets water out of the drain pipe!! i have changed the heating safety valve and the problem still occurs!

the wierd thing is the bolier system never seems to need re-filling

does any of the experts on here have an idea to what it could be?

Cheers,

Hardeep
Old 30-05-2007, 04:42 PM
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se mk3 cabbie
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check that the filling loop is completly closed, sounds like its sluightly open so filling up with too much pressure and opening pressure relief valve
Old 30-05-2007, 04:51 PM
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turbo_3dr_tommy
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Originally Posted by se mk3 cabbie
check that the filling loop is completly closed, sounds like its sluightly open so filling up with too much pressure and opening pressure relief valve
better to disconnect it all together as it should not be left connect, check to see if your pressure gauge rises at all as it could have a split in the expansion vessel causing the pressure to rise and blow out the PRV and fill itself back up.
Old 30-05-2007, 06:35 PM
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rapidcossie
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water to water heat exchanger could be burst internally letting mains water in to the heating system...
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