How to mend ... Pressure Boiler Below Zero

pressure overflow problems on Thermaclassic combi boiler,?

Hi, I have had the prv on my boiler replaced as the overflow pipe was dripping and the pressure dropped to 0.0... [Read more]

cold pressure over 2.5 bar on vokera Excell 80sp?

I have a vokera Excell 80sp boiler and the pressure when the heating is cold is 2.5 bar. I think i need to re... [Read more]

How can I fix my Potterton promax HEplus?

My mother recently had a combi boiler installed after having a traditional hot and cold water system previous... [Read more]

How can I have low N Gas pressure?

Hi All The corgi installer tells me that my new condensing combi boiler has very low DHW temp because the bur... [Read more]

How do i get pressure in my Vokera Compact HE?

Hi, I bled my radiators today and the pressure in my Vokera Compact HE boiler has gone down to zero. I've f... [Read more]

How do I lower the pressure on a combi boiler?

My pressure is too high. It is recommended to be between 1 and 2.5 and it is on 4. I have tried bleading the r... [Read more]

How can I fix my Thema classic F30E?

The seal has gone on the diverter valve allowing water to leak into it's mating part rendering both parts knac... [Read more]

Potterton Puma 100e Low Pressure?

I have replaced the safety valve and thermostat on my boiler, when the system pressurises to about 1bar the lo... [Read more]

How can i increase the water pressure on my worcester 350 combi boiler?

How can i increase the water pressure on my workcester 350 combi boiler. The pressure is low (below 1/2) but ... [Read more]

worcester 24i rsf fault with heating?

After heatings been on for around 10 mins starts to make noise like air in the boiler ,Changed the pressure va... [Read more]

Valiant boiler but no water out of hot taps?

We have a valiant boiler and have no water at all coming out of the hot taps or shower. The pressure gauge is ... [Read more]

How can i fix my Glow Worm Swift Flow 80?

Pilot light will light when the boiler is switched off from the mains but goes out once the gas button is rele... [Read more]

potterton performa 24 / combi boiler?

no hot water-no heating/ no ignition light / does not appear to be igniting/pump working pressure ok

Ferroli Modena 80e will not light?

Hello I have read your forum for a while because I have a 10 year old Modena that is good but never trouble fr... [Read more]

How do I increase pressure on my ferroli modena 102 boiler?

The pressure has fallen on my Modena 102 combi boiler and I do not have manual or instructions on how to incre... [Read more]

Intermittent hot water with my Vaillant TURBOmax VUW 242E?

For the past 4 months I have had intermittent hot water with my Vaillant TURBOmax VUW 242E, well rather luke w... [Read more]

How can I fix the hot water pressure in my WorcesterBosch 280 boiler?

My central heating wasn,t working so I got a plumber to fix it. While he was there I asked him if he could do... [Read more]

How can I increase the system pressure on a ferroli Maxima 35c?

How can I increase the system pressure on a ferroli Maxima 35c? The pressure is around 0.6 at the moment and ... [Read more]

checking the potterton profile pressure switch?

how do I check the pressure switch on my Potterton Profile boiler

Ravenheat combi boiler pressure - won't stay above zero?

I have a Ravenheat combi boiler and the pressure got to above 4 so I released the pressure by turning the red ... [Read more]