mike asked ... Fisher & Paykel 913t dishwasher?    |    Emma asked ... Foot pedal smoking?    |    Morne asked ... My defy dtl 125 toploader?    |    Ernie asked ... How to fix gearchange ldv maxus van 2006?    |    Cuckoo asked ... Changing batteries on a fixed bt corded phone?    |    Click here to ask your question

how to find a fault?

my sister-in-law has a glow-worm 30c boiler the
central heatings ok but when they turn on dhw tap the water is hot then after a short time it goes cold and stays cold how do i fix this problem
trev, January 2014
could be dhw heat exchanger partially block

A1, January 2014
link Click here to see other fixes for Glow-Worm.