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By REDSAW
#8421
The chippie wrote:
January 8th, 2021, 2:59 pm
Worcester greenstar ri, turned the thermostat right up to the max but when it reaches that temperature it starts to cool down again
yeah, its not reaching temp only at boiler tho!
i take it as its an open vent system, tank in loft?

turn down the boiler stat to half way and monitor for change. if the systems sludged up or the water cant pump efficiently around system then the boiler-reaching its temp will turn boiler off. this way the water has a chance at a lower temp to circulate into the system. this is assuming nothings wrong with the room stat?
a history of what happened since 2 months ago will take away the need of a crystal ball !!
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