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HOW CAN I FIX MY FERROLI OPTIMA 701?

HI I RECENTLY HAD AN ELECTRIC SHOWER INSTALLED.THE PRESSURE ON THE DIAL ON MY BOILER USED TO BE ON 2 BAR .NOW ITS GONE UP TO 3.1/2.IS THIS SAFE AS IT ONLY GOES UP TO 6 BAR OR CAN I TURN THE BAR PRESSURE DOWN SOMEHOW.ALSO MY OVERFLOW PIPE WONT STOP DRIPPING NOW
GARETH, May 2009
you will have to let some water out of a bleed screw on a radiator until it drops to about 1 1/2 bar. i think the over flow you are talking about is the PRV

b, May 2009
link Click here to see other fixes for Ferroli.