How can I fix my Vaillant Turbomax Plus combi boiler?
Have recently drained and refilled system. Turned boiler on and after an hour or so pressure was around 2 bar, and remained there. Then I turned the central heating off for a few days.Then turned it back on again and pressure was well past 3 bar on the pressure gauge. Is this normal or is there a problem. I have heard that system pressure should be no more than 2.5 bar when system is running normaly. Is this correct? Would be very grateful for any views on this.
Pressure vessel need recharge to .75bar,drain boiler from water flow and return valve,close inlet and out let valve ,drain from drain out let on valve ,pump with cycle pump to vessel .75 make sure no water left in boiler
