Mend > Home Heating Systems

how to fix my biasi 24s?

when i switch on there is power and the pump runs but it does not fire up everything seems ok

SOOT FROM BOILER?

Since my Thorn Harcal 430 oilfuelled boiler was serviced in December, we are finding the top of the boiler and... [Read more]

1

How can I get pressure up on Saunier Duval F24e boiler?

Pressure showing less than 1 bar. Would normally turn blue valve slightly to increase pressure sufficiently fo... [Read more]

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how to fix?

pilot light stays on

Pressure reducing on my Bosch Worcester 24 CDi Combi Boiler?

A few months ago i had problems on my boiler with 'rising' pressure. This turned out to be the Heat Exchanger ... [Read more]

where is the mode selector switch located on a vokera boiler?

I want to turn of the pre heat mode where is the mode selector switch. I am not able to view the boiler at pre... [Read more]

1

halstead ace high?

heat exchanger contains black scale what causes this how do i cure it

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how do i stop the water from running out of the overflow pipe?

the water is constantly running out of thr overflow pipe what is causing this

how to set timmer?

how to set timmer on my ariston euro combi boiler

1

how can i fix my boiler?

pottertonprofile 80 nothing working at all

how can fix my glow worm swift flow 100 boiler?

my boiler shuts its self down including pilot , if i turn off dch switch rads still heat up very hot , i know ... [Read more]

service guide?

service guide

4

boiler low pressure ?

My question is regarding two issues one of which is already a history but may help define the problem. Couple ... [Read more]

2

Boiler not working fuse keeps blowing on control board?

worcester heat slave 20/25

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Pilot light goes off ?

We have Vailant gas boiler type vp5-ze 15. The pilot light has developed a fault. No longer it stay on. Usuall... [Read more]

cancel all times?

How do you cancel all the times to make it come on and set new ones? (Worcester 350)

flame failure?

have tried reset nothing think it could be pcb

1

boiler cuts out?

change to a new socket fuse spur then tried to fire up boiler. but runs for 5 seconds then just cuts off red l... [Read more]

worchester 9.24 combi boiler ?

power cut for a short time now restored then i get hot water when i turn on hot water tap but my raidiators... [Read more]

Manual Override Button?

RWB20 microgyr Landis & Gyr Hot Water Override Button will not respond