How can I resolve the high pressure on my valiant Eco boiler?
Hi. The pressure has but up on my boiler, now in the red. I have had to bleed a radiator to drop the pressure. There is no air in the highest rad. This only happens when the heating comes on. It looks like the system if filling up when the heating switches on!
It's a valiant ecotec. Only three years old!!
Sounds like the expansion vessel has either lost its pressure or the flexi hose connecting it to the boiler has blocked.
Get an engineer in, its an easy fix!
boiler bill
January 2011
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