How to mend ... Boiler Demand Light

how can i fix Baxi Bahama 100 Combi?

boiler will not ignite on demand for hot water or heat. all indicator light and pressure is satisfactory

Biasi Prisma 24se won't fire up when cold?

Over the last six months there has been a gradual increase in the time the boiler takes to fire from cold. Ori... [Read more]

Baxi combi 105HE boiler fault on the heating side?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]

Why won't our boiler (Worcester Bosch 230) pilot light ignite?

Why won't our boiler (Worcester Bosch 230) pilot light ignite? It was turned off for a few hours for a radiato... [Read more]

Baxi 105HE Heating fault?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]

Glowworm / Glow worm compact 80e locking out not working !!?

Hi I have a new compact 80e installed which I bought about 1 year ago. The boiler was a surplus and had bee... [Read more]

Why does my Potterton Lynx boiler not work? Please help a single mum!!?

Recently moved into new house and told water and heating working fine (although due to weather I haven't had t... [Read more]

glow worm 40 boiler fault?

I have a 12 year old glow worm 40 boiler that has ceased to work. The internal manual fault finding points it ... [Read more]

SIME SUPER 90 - Diverter Valve?

Hello all, I have recently inherited a SIME SUPER 90 combination boiler in a house I moved into. The boile... [Read more]

ariston boiler - dangerous? Turn off heating?

My Ariston boiler heats water on demand and central heating. The boiler keeps coming on and heating up the ra... [Read more]

Potterton Netaheat 16/22 Boiler - No pilot light and won't relight?

I have a Potterton Netaheat 16/22 boiler which has stopped working. When there is a demand for HW or CH there ... [Read more]

worcester 9.24 no hot water?

please help, i'm pulling my hair out. it first began with the boiler only giving hot water when the central he... [Read more]

Saunier Duval Boiler - SD30e cutting out?

Hi, I have an SD30e combi boiler (exactly the same as a Glow-worm compact) and recently a diaphragm had to be ... [Read more]

Maxi Bahama 100 combi?

Hi I have inherited a Maxi Bahama 100 in my new flat. And would like to ask a question about the boiler. I ... [Read more]

BOILER WILL NOT FIRE UP,PILOT LIGHT IS LIT?

APOLLO 15/30 BOILER ,BOILER WILL NOT FIRE UP ON DEMAND,PILOT LIGHT IS LIT AND ALL ELECTRICS APPEAR TO BE WORKI... [Read more]

Faulty Alpha 240P Boiler?

The burner keeps cutting out in the middle of hot water demand with the result of getting freezing cold water ... [Read more]

Problem with Vaillant TurboMax VUW 242E, fan/boiler not running?

My boiler had divertor valve problem in past, plumber replaced it for a reconditioned one-it lasted about 2 mo... [Read more]

Why doesn't my worcester 350 give hot water?

I have a worcester 350 combi boiler and programmer. It recently decided to stop delivering hot water. When a h... [Read more]

Fluctuating dhw heat Ferroli Modena 102?

When running the bath tap the dhw heat fluctuates from warmish to cold, the demand light remains lit and the b... [Read more]

Boiler fires when it shouldn't?

Got a Performa 28 combi. I've noticed that sometimes when no heat or hot water are called, the boiler fires up... [Read more]