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Plumberpro
Plumberpro, Mechanical Engineer
Category: HVAC
Satisfied Customers: 634
Experience:  Over 20 years experience in plumbing heating and gas
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HVAC

I have a Vaillant EcoTech Pro 24 combination boiler .I topped

up the water and managed... Show More
up the water and managed to put in too much.It now registers 3.0 bar when cold. The boiler is working normally- there is some water flow in outside over flow pipe- but I wondered if any harm will be done to the boiler or will the water pressure eventually right itself?
Submitted: 2 years ago.
Category: HVAC
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replied 2 years ago.
Hi . It has just emptied a bit out of the safety valve. The pressure if it goes to zero , top up to about 1.3 bar. Don't worry though, the boiler will not fire if the pressure is below 1 bar ,so it safe enough