How to mend ... Pressure Going Prv

vaillant vcw gb 242 eh boiler?

Can you please advise fault on dhw when hot water tap is opened boiler ignites runs for 10 secs then cuts out ... [Read more]

Ariston Euro Combi - Hot Water problem?

Euro Combi SX 20 MFFICE (GC No: 4711602) A few weeks agao, I had a problem with my heating - cured by chang... [Read more]

Combi boiler pressure loss?

Having to top up system regularly. no leaks, exp. tank ok, prv ok, condensate discharge ok,

How can i change the prv on my boiler?

I have a bosch worcester 28i combi. the pressure relief valve is leaking. I bought the new part, but how hard ... [Read more]

I have a Vokera combi that keeps lossing presure?

I have a Vokera combi that keeps lossing presure only when I use the centeral heating. I have changed the PRV.... [Read more]

Triton Ivory 2 - PRV - Overflow Problem?

Hi - my Triton Ivory 2 Pressure Release Valve keeps activating. Have checked shower head and pipe - all are ok... [Read more]

halstead ace high over pressurising?

I have a 5 year old Halstead Ace High boiler recently when the central heating is running the pressure has bee... [Read more]

Glowworm Compact 100e?

Went to a Glowworm Compact 100e the other day and found out it was a lose electrical connection. Problem solve... [Read more]

halstead finest gold locking out?

finest gold locking out,i have to switch off/on power 4-5 times to get it running, pressure is at 1.7 bar on g... [Read more]

ferroli f24 pressure drops?

Hi i have a Ferroli F24 Combi boiler and the pressure keeps dropping, there seems to be no leak on the system ... [Read more]

What is Wrong?

Vokera Excell Boiler When the system is turned on the water pressure increases to 3Bar and PRV releases wat... [Read more]

Losing all pressure from system when central heating is switched off?

I have a Vokera Option Boiler, which from what i have heard is one of the worst boilers to have!!! Anyway, i h... [Read more]

RAVENHEAT LS80 in consistent DHW + pressure probs?

I have a ravenheat LS80T and when i don't use the Heating the pressure stays perfect but when I use the heatin... [Read more]

Central heating causes pressure rise sharply -PRV then operates- whats wron?

Have a Worcester 24i Jun. HW works fine but when CH is on the pressure goes from 1.2 bar to over 3.5 then PRV ... [Read more]

How can I stop my Euro Combi Styx from over pressurising?

I have a Euro Combi Styx SX20 MFFICE and it keeps over pressurising. It starts at a normal preesure cold at... [Read more]

boiler high pressure?

Hi......I have a Worcester 350 combi. Changed prv due to passing and boiler continuously cutting out on LP af... [Read more]

High pressure on my Optima Ferolli 901 central heating?

Hi, I have a Ferroli optima 901 . I had problms with the DHW and foolishly adjusted this on the mod gas valve... [Read more]

worcester 240 dropping pressure?

Worcester 240 has been dropping pressure for about 4 weeks have kept on topping up, but getting worse, drained... [Read more]

28i junior worcester bosch losing pressure?

My 28i junior worcester bosch boiler keeps losing pressure I have had around 10 call outs, the prv has been ch... [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]