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Mend Myson Apollo Central Heating Boiler Banging

whats wrong with my myson apollo?

when my boiler comes on in the morrning the pipes start to bang and hot water vents out in to the c/h header tank but it dosent do it all the time

CW
September 2010
if it is only doing it first thing on the morning, or some reson the pump is not switching on, check 3 way valve, air looks , is there enough water in the header tank?

erj
September 2010
thermostat could be gone in the hot waterboiler causing it to keep heating the water when its alredy boiling then heating the water in the pipes all the way up to the cold water tank, thermostat should be replaced if this is the case

Johnny
September 2010

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