Mend > Home Heating Systems

Why does the central heating come on when I select hot water only function ?

When I put on the hot water only it kick starts the central heating as well, I have a powermax 155 boiler

1

how can i fix my boiler?

my myson midas boiler as stopped working, no hot water or central heating, i have tried to relight it, but whe... [Read more]

potterton ep2000 controller?

how do i reset the clock on this controller?

5

How do I increase the pressure on my boiler?

I have a Baxi Combi 105 HE Boiler. I have recently noticed the pressure gauge dropping to around 0.5 bar or ... [Read more]

2

How to change or clean the PCB on potterton suprima 50?

Hello, My boiler is on the blink for a while now and after searching the net got the feedback of the PCB's be... [Read more]

1

Glow worm 30CXI combination boiler showing fault code F1 and F4? ?

Glow worm 30CXI combination boiler showing fault code F1 and F4? My boiler is showing fault code F1 - F4 so t... [Read more]

3

Vaillant Pro 28. Rads get warm when hot water is run?

I recently had error code F75. Pressure was low and boiler locked out. I put pressure right and turned boiler ... [Read more]

1

my ariston combi boiler only gives luke warm water and then runs cold?

i have an ariston type c boiler the heating works fine but the hot water comes out luke warm for a short time ... [Read more]

2

My ravenheat combi doesnt give me hot water!?

My ravenheat combi boiler is 5 years old and for roughly one year now it hasnt heated my water without the hea... [Read more]

upside down a then showing a line then LF?

Hello i was hoping someone could shed a little light on my problem ive got a he24 boiler and itd stopped worki... [Read more]

1

how do i change the 3amp fuse on my vokera boiler>?

my boiler is not powering up. i belive it is because the fuse needs changing. I know it is a 3amp fuse but whe... [Read more]

Biasi 24s?

My friend as a nine year old biasi 24s.There is no hot water and the heating has a mind of its own.(it came on... [Read more]

how can i fix my baxi boiler?

My baxi boiler wont fire. the pilot light is lit and the controls are calling for the boiler

myson Apollo 50B?

the boiler is not firing up when the thermostat reaches the temperature for the heating to kick in and also no... [Read more]

bar light flashing no hot water or heating?

bar light flashing no hot water or heating

earth connection on fan?

hey lads i replaced an old pcb for new one and earthed fan back to earth connections on side panel with spare... [Read more]

2

My Isar HE24 just stopped working today?

My Isar HE24 just stopped working today. There is a power supply to the front control panel but, there are no ... [Read more]

how can i fix my Chaffoteaux &maury combi boiler?

the boiler will not fire up.The lights run through and then it just stops.It is an SE.

f25 code on boiler?

how do i fix an f25 code on my valliant ecomax boiler

1

what does A3 mean?

what does A3 mean when it shows up on an optimax HE model?