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Mend 20 Boiler Demand

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We have 14 questions about mending '20 boiler demand'

How to mend ... 20 Boiler Demand

Mend Heating, Home Heating Systems

Maxi combi 80e 'fan' runs intermittently?

Good morning, My 10 year old approx Baxi Combi 80e has a characteristic where it periodically makes a fan typ... [Read more]
Mend Heating, Home Heating Systems

worcester 24irsf boiler not turning off when ch on at 2bar?

hi my worcester 24i rsf combi boiler is approx 6yrs old and recently when on ch demand it is failling to turn ... [Read more]
Mend Heating, Home Heating Systems

worcester 24i combi20-30 minute delay between demand and ignition?

I have a worcester 24i providing central heating and indirect heat to the hot water tank in a sealed system co... [Read more]
Mend Heating, Home Heating Systems

dia 20?

boiler electrodes constantly sparks with no demand
Mend Heating, Home Heating Systems

Alpha 240x shuts down,restarts, shuts down etc etc?

My Alpha 240x combi boiler wont stay lit for more then 20 secs then shuts down, it then relights some 15 - 20 ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85AT fires up and goes of every 20 seconds?

I have a Ravenheat CSI 85at that is just over 3 years old. This is the one that does NOT have the honeywell ga... [Read more]
Mend Heating, Home Heating Systems

Worcester 24i RSF Junior - Water Flow Switch Melted!!?

Hi, had a few probs recently wi boiler, new Gas Valve & new PCB within last 2 months seemed to have sorted it.... [Read more]
Mend Heating, Home Heating Systems

VOKERA 20-80 RS WILL NOT FIRE????

I have a vokera 20/80 RS combi. We ahve just had a power cut and now the boiler wont fire. HELP? The pilot li... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

How do I fix my Potterton Netaheat MkIIF 16-22?

My boiler starts it's cycle on room stat demand. The internal fan runs, the pilot ignites, after 20 secs the m... [Read more]
Mend Heating, Home Heating Systems

no hot water?

My ravenheat boiler (RSF 820/20) will not supply hot water on demand unless the heating is on has anybody got ... [Read more]
Mend D.I.Y, Plumbing

Is my Fan faulty?

After having problems with my boiler not supplying any DHW or CH the last couple of days i am of the opinion i... [Read more]
Mend Heating, Home Heating Systems

vaillant hot water problems?

got vaillant 828 turbo plus 3y old.hot water slow to cut in sometimes takes 20 mins sometimes 10 secs,have fit... [Read more]
Mend Heating, Home Heating Systems

vaillant woes?

hi all ,in need of a bit of help for a sick vaillant 828 turbo plus fitted about 3 years ago,a brief history... [Read more]

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