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Mend Saunier Duval F Red Convector Heaters

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High pressure on saunier duval boiler?

I have had a problem my suaunier duval boiler we only had it serviced two weeks ago we rang the engineer and they told us to turn the switch under we did this and a lot of water spurted out. When we switched it back on if flagged up F Red and shows a bar of 3.0.... can anyone advise thanks!

Christina Beardsley
January 2009
Saunier DuvalSaunier Duval F RedHeating, Convector HeatersBoiler Heating Engineer
Drain some water out of a radiator thus lowering the pressure

Davenjacq
February 2015
hi had a new saunier duval boiler but in 10 years ago it one of the biggist mistake i ahve made. Not only are the very poor boiler that break down . i have never met a boiler man who has said anything good about them.

Harjit london south east
May 2009
open up one of the air vents on a rad until the pressure goes down

plumb nut
January 2009
I am sorry....but I have the same problem at the moment...I have added way too much water and now my pressure is on 4 and I am worried that my boiler might shutdown...is there anyone who can advise how to reduce the pressure?????

Liz
January 2009
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