Mend > Home Heating Systems

Boiler Excessive Pressure?

Ravenheat boiler keeps building up pressure, after reducing it down to 1bar each time.

how do l replace an element in an electric fire?

electric fire not heating up,how do l open it up and replace the element

Vaillant turbomax 242 boiler - mechanical timer?

How do I fit a mechanical timer to a vailant turbomax 242 boiler - there are two sets of pins on the ribbon ta... [Read more]

Riello 40 G3B burner tripping out?

Riello 40 G3B burner intermittently trips out. this may be occurring at the end of a burn cycle and will there... [Read more]

Worcester Bosch 24CDi has lost the signal from the thermostat?

Please can anyone help. Our boiler seems to have lost the signal from the thermostat and so we have no heatin... [Read more]

One radiator not warming up?

I have a problem with one upstairs radiator not warming up. I drained the system a few months ago, before doin... [Read more]

where can I get spares?

the grey bottam panel on our prima 30b boiler has come off (plastic lugs broken) and we are told that the mode... [Read more]

how can i stop the powerful noise?

when my central heatimg system fires up it bangs. it doesnt always do it on the first fire up, it could be the... [Read more]

Biasi Combi Boiler not working, help!?

Hi I wonder if some kind fellow could help me with a problem I have with my boiler Firstly appologies as I ... [Read more]

Water pressure?

My Ferroli F30 combi loses water pressue, despite refilling using the fill loop the pressure guage will read z... [Read more]

timer?

How do i set the timer on a worcester bosch 240 boiler?

boiler not staying alight?

service instructions please for firebird heat pack 150 please

Baxi water pressure fault?

My Baxi was installed 18 months ago and was fine until developing a water pressure fault 3/4 months ago. The m... [Read more]

how can i bring boiler on timer at the moment its on continues ?

i would like to bring boiler on timer .can you please guide me in simple way?

boiler fault?

i have a 3 year old ideal he24 which all of a sudden will provide hot water when needed but when central heati... [Read more]

Emersion tank?

I have put a sludge remover (X400 Sentinal) in what I think, may be a primatic system. I have little hot-water... [Read more]

heatslave 20-25 lockout?

My boiler keeps locking out intermitantly.It sometimes runs for a day but sometimes runs for an hour before lo... [Read more]

Prima F30 not burning properly?

Hey, I've got a Prima F30 that starts up but after 5 - 10 secs the flame doesn't seem to burn right. It loofs... [Read more]

where is a radiator pin too?

how do i release the radiator pin pls

boiler glow worm/18hxi?

i need a complete instruction manual for my 18hxi boiler. i did not get one when the unit was fitted. i am hav... [Read more]