How to mend ... Demand Ch Boiler

Worcester 24i No ch?

Boiler fires up when DHW is on demand but when CH alone is requested i can see the rear pilot light then a sma... [Read more]

Vokera Compact 28 turning on and off?

Hi I have a problem with a Vokera Compact 28 When heat is demanded, CH or DHW the boiler goes through its c... [Read more]

Potterton Profile 80e cuts out after 15mins ?

the boiler fires up from cold on demand from timer and room stat. It then runs for 10 -15 mins and the main bu... [Read more]

No hot water on Worcester 28CDi?

I have a Worcester 28CDi combi. The CH works fine but the DHW has a problem. When i open a hot tap the red lig... [Read more]

Potterton Puma 80 - No hot water?

Potterton Puma 80 works fine with central heating, but without CH on, it does not produce hot water. At hot wa... [Read more]

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]

Fix stationary fan on Vokera Excell 80sp?

Fan has always been running even when no demand for HW or CH. Boiler fires up ok for both & sounds like the fa... [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]

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]

BAXI COMBINATION BOIER?

BAXI COMBINATION BOIER Power on Presser gauge shows 2.5 CH and DHW mode Boiler star going Pump start ... [Read more]

baix combi?

in ch and dhw mode; boiler star, pump start working, but when boiler demand for fan to ingage, fan doesn't c... [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]

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]

Baxi 105e Lukewarm water/Rads constantly warm?

We have a Baxi 105e and recently the hotwater from a 'high demand' tap (like the shower or bath) only comes th... [Read more]

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]

How can I get hot water from my Protherm 80E combined ch/hw boiler?

My PROTHERM 80E works fine on C.H but does not give hot water. [it used to but stopped]. CH Plumber turned pow... [Read more]

Pump constantly running on Vaillant VCW GB242 EH?

I have recently noticed that the pump on my Vaillant boiler is running constantly even when there is no demand... [Read more]

No CH with Potterton Puma 80?

I have a problem with a Potterton Puma 80 in that the CH does not appear to be working and there is no heat go... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]

worcester 230 pilot light lights but nothing else?

i have a worcester bosch 230 rsf combi boiler. when a demand is created (ch or hw) pilot light ignites and sta... [Read more]