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Mend Worcester Bosch 28i Water Going Cold Help

why does my hot water keep going cold then hot every minute or so?

since getting back from holidays my hot water keeps running cold every couple of minutes. can you help? it is a worcester 28i model.

miss t kennedy
July 2007

Worcester Bosch Worcester Bosch 28i D.I.Y, Plumbing Water Going Cold Help

there are 2 possible problems which could cause this, one is the temperature thermistors are faulty. 2 if you live in a hard water area , with lots of scale , your plate heat exchanger could be partially blocked .

brian
July 2007

boiler/system presure may be low require refilling to 1.5 bar when cold stops this boiler from modulation correctly

tony...tsp
July 2007

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why does my hot water keep going cold then hot every minute or so?

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why does my hot water keep going cold then hot every minute or so?

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why does my hot water keep going cold then hot every minute or so?

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