How to mend ... Boiler Going Pressure

Grant outdoor combi 90 v3?

My sealed system loses pressure when I run the hot water. When boiler cuts in the system builds up pressure ag... [Read more]

Glow-worm 30 cxi boiler?

my Glow-worm 30 cxi boiler is not working due to low pressure 0.4bars.When i try to repressurise it via fillin... [Read more]

Biasi 24se, fires up, stops?

Biasi 24se, it fires up then locks after a short time. Push reset, then boiler does same thing. Have just ch... [Read more]

Pressure gauge at 6 bar! What is wrong with system?

I have an Ideal Classic boiler with a sealed system which was installed 14 years ago. In the last 3 years I h... [Read more]

How to depressurize Baxi boiler?

Hi when repressurizing my Bax Duo Tec Combi HE A 33 which has low pressure on the odd occasion I've stupidly ... [Read more]

How do i pressurise a Worcester Bosch 400?

I have lost pressure in my Worcester Bosch Highflow 400 RSF. All possible solutions talk of either using a key... [Read more]

Grant Combi 90 V3?

I am stuggling with airlocks in my system and no matter how much I bleed the radiators I cannot seem to have h... [Read more]

Why is my boiler leaking water from pressure switch on top?

Hi I have a 17 year old ravenheat boiler and it has just this morning started leaking boiling water from the... [Read more]

worcester 28i junior will not hold pressur after heating is off?

my boiler pressure falls after heating is off i have checked for leaks but ther is none

what is the fault with my Ariston Microgenus 27 MFFI boiler?

Ariston Microgenus 27 MFFI. my pressure gauge is nearly on zero, when i try to top it up only a small amount o... [Read more]

Ferroli 25 C Fault F31 ??

Hi My boiler has started displaying the F31 error code after being in operation for about 20 minutes. The... [Read more]

The pressure on my baxi 80 Eco is zero. Help!!?

Hello, can anyone help me turn up the baxi pressure ? I turned the boiler off at the plug by accident. Now the... [Read more]

Potterton Promax 15 SL?

C/Heating running 11.rads 3 convector type modern about 3yrs old rest old ribbed type. Boiler Potterton Proma... [Read more]

How can I repair a Main combi 24 he?

The boiler works for about a minute but then cuts out as if it were up to temperature. The same thing happens ... [Read more]

ravenheat 29t ls100t?

Pressure is very high and the flow of water through the boiler is making considerable noise, my question is wh... [Read more]

Vaillant VMW ES/282/2-5 R1 boiler not firing up?

I have a boiler VMW ES 282/ 2-5 R1 The boiler will not light, it sparks but there is no gas. I have renewe... [Read more]

why is c35 combi boiler not working flashing f1 no hot water or heating ?

my independent c35 comi boiler keeps flashing f1 got no hot water or heating and on clock face pressure has dr... [Read more]

What is problem with Pressure on Vaillant Boiler?

I have a Vaillant Eco Tec Plus Combi boiler (5 yrs old) that works fine -but- I notice that the water pressure... [Read more]

saunier duval f23e boiler?

Can anyone help me to sort out the problem of f23e boiler , the pressure needle goes to mark 4 in the red and ... [Read more]

sime100e ?

water pressure dropped in boiler and boiler seems to have cut out i.e no power is there a safety cut out to r... [Read more]