How to mend ... Pressure Increases Heating

Vokera linea 24 pressure problem?

I have a problem with my Vokera boiler, when cold the pressure will drop to almost zero, if I top up the press... [Read more]

Ferroli F30 water pressure problems?

I have a Ferroli F30 Cobi Boiler that has been working fine throughout the summer providing hot water. I have ... [Read more]

Vaillant vcw sine T3W pressure drop?

Hi I have a vaillant vcw sine t3w boiler which is fine on the water circuit, but when central heating side... [Read more]

baxi 105e pressure at zero in morning before system starts?

in morning, no preheat on or central heating and pressure at zero, after preheat turned up pressure increases.... [Read more]

Vokera HE Condensing Combi Boiler?

Got a relatively new vokera boiler - 18 months old and it has developed a problem over winter. Fault warning -... [Read more]

Pressure increases when heating on?

Pressure increases over 3 Bar and water comes out from over flow which reduces the pressure lower that 1 bar.... [Read more]

potterton performa 28 leak and 3 bar high pressure?

My Potterton performa 28 is leaking from 2 places and has a pressure of 30 bar , this pressure increases when ... [Read more]

Why is there a vacuum in sealed central heating system?

The pressure in my sealed central heating system increases to about 2.5Bar when hot and running and drops to a... [Read more]

What pressure should the pressure gauge be set at?

The pressure gauge on my combination boiler (Halstead Finest Gold) is set at 1.5 bar and this increases to 2.... [Read more]

POTTERTON PERFORMA 24 NO HOT WATER BUT CENTRAL HEATING FINE?

as soon as the hot water tap is opened the pressure on the boiler increases 0.5 bar to 2.0 bar. and the boiler... [Read more]

glow-worm compact 100e pressure drop?

I have a glow-worm compact 100e boiler which i have a problem with. I have a regular loss of pressure which i ... [Read more]

How to get the water to heat up?

I has the radiators drained to change one of the taps and since then, the Ferroli boiler won,t heat the water ... [Read more]

how to replace pressure relief valve worcester 24i combi boiler?

When turning on central heating the system pressure increases to maximum. I think the pressure relief valve is... [Read more]

worcester 24i junior boiler lpg, unsteady pressure problem?

the system looses pressure, this I can sort but, when running on heating the pressure increases from 1.5 bar t... [Read more]

Expansion vessel replacement?

Hi all, I have a Glowworm 80e combi with pressure issues. Low pressure on the gauge (sub 0.5bar). Fillin... [Read more]

Which Way to Jump?

CENTRAL HEATING CALAMITY It may sound a bit dramatic, but I have a real problem and would welcome any help ... [Read more]

condensing boiler goes bang?

I have a newly installed, and just commissioned, Ferolli 35C condensing boiler in a new house in France. It wo... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]

Vokera Maxin 24e & 28e. domestic hot water problem?

The domestic hot water is not working at a constant temp or may not work at all, wheather the heating is on or... [Read more]

How do I reduce the pressure on my Valiant Turbomax boiler?

My valiant tubomax 823 boiler is showing a pressure of 3 bar (in the red). I found a knob to turn which releas... [Read more]