Mend > Home Heating Systems

Boiler switches off water heating when the central heating is due to come o?

When the heating is timed to come on the light flashes but no heat appears and at the same time the water ceas... [Read more]

1

I'm not getting amy hot water from my ravenheat combi?

I'm not getting amy hot water from my ravenheat combi however the cental heating seems ok and so does the syst... [Read more]

Problem with Ferroli boiler?

My Ferroli boiler was working fine but then showed fault F35 which is problem with electrical mains. I reset t... [Read more]

how can i fix my ferroli optimax 25c?

hot water works but heating does not

2

think my thorn apollo C/H boiler hasnt been put back together correctly?

the thermo coupler has been replaced in my thorn apollo 30/50 B boiler however it stays on for so long them it... [Read more]

1

glow worm 18sxi boiler help?

hi i have a glow worm 18sxi boiler and i (stupidly) bled the radiators while it was running and apparently nee... [Read more]

Ineed a oxy pilot for my Kohlangaz gas fire model No KPFP80MN Infusion PF?

Where can i get this part?

1

pin hole in cylinder?

hot water cylinder has a pin hole in the side of it can this be fixed or do i need a new one its only 2 years ... [Read more]

1

What is causing my Optimax HE 31c to lose water pressure F37?

Hi my optimax he 31c is losing water pressure, f37. This has happened numerous times now after refilling press... [Read more]

3

halstead finest gold combi boiler keeps firing up then going out then fires?

The combi boiler fires up then shuts down then fires up and the pattern continues. This means we can't get ho... [Read more]

1

Worchester Boiler No Pressure?

Our worchester boiler over the last couple of days has no pressure we had been able to put pressure into the b... [Read more]

1

My Vokera Mynute Boiler will not ignite and there is a strange noise? What ?

What is the cause? Also my system is roughly 20 years old. If I need to replace it which Vokera system would I... [Read more]

my vokera boiler keepsflashing 01?

my boiler will not ignite and keeps flashing 01 it sounds as if its on but theres no flame what could this be ... [Read more]

2

worcester 24l junior losing pressure?

Does anyone knows what's happening if your boiler is losing pressure? I fiil the tank up to 1-1 1/2 bars but ... [Read more]

9

F40 on ferroli optimax he 31 boiler?

I'm in a rented property with prepaid gas meter. My gas supply ran out and I found a error code A01 in my Ferr... [Read more]

How can I fix my worcester 15/19 oil combi boiler [heatslave]?

Boiler keeps demanding hot water when heating comes on and will not heat rads. Have replaced diverter valve a... [Read more]

boiler will not start up ,pilot is fine ?

i have glow-worm fuelsaver mk 2 that wont go on to main heat ,pilot is fine thermostat is ok ,power to valve ... [Read more]

1

F 37?

Could you tell us what the fault is, or what this particular fault code means?

combi boiler overheating?

sime halstead trio combi boiler overheating

3

my isar he24 has no lights on at all?

woke up this morning to no heat and no hot water, the control pad says that it is on but the boiler doesnt see... [Read more]