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Mend Drayton 679H340-30L0 Central Heating Temperature Valve

gas central heating system?

the temperature of the hot water is all of a sudden too high and the water pipes either side of the drayton 679h340-30l0 mid position valve is too hot to touch.the system is 10 years old.
please help

doug
March 2008
try turning the temperature down at the boiler thermostat.

combiking
March 2008

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