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We have 372 questions about mending 'water control boiler'

How to mend ... Water Control Boiler

Mend Heating, Home Heating Systems

baxi combi, my radiators are on all of the time all of a sudden?

the electric blew in our house and later on i noticed the rads in the house were on constantly. I have a Bax... [Read more]
Mend Heating, Home Heating Systems

how can i fix my kingfisher mf boiler?

system venting over boiler not shutting down on stat,overheat stat not cutting in either.new stat fitted and n... [Read more]
Mend Heating, Home Heating Systems

My Ravenheat CSI85T "oscillates" ?

My boiler bangs on and off on startup and continues to do it when running. The rads get hot and the hot water ... [Read more]
Mend Heating, Home Heating Systems

have a boiler no hot water 28cdi?

worcester boiler 28cdi have central heating working ok hot water will not turn on downstairs bathroom turn wat... [Read more]
Mend Heating, Home Heating Systems

heating not working?

we have hot water but no heating boss therm control bps242rf boiler is a vokera unica 28he
Mend Heating, Oil Filled Radiators

no display on control panel saunier duval f35e ?

display on f35e not working ,power to boiler and fuse on pcb is ok, There is no hot water
Mend Heating, Home Heating Systems

24i junior problem?

boiler hung and fitted all connections good filled and vented system and boiler .no external controls. therefo... [Read more]
Mend Heating, Home Heating Systems

Hot water but not central heating . . ?

I have just moved into a flat which has a Sabre 29HE Plus combi boiler. It is heating the water but when I sw... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 120 can't control water temperature?

I noticed this morning that the radiators and DHW seemed VERY hot. When I went to adjust the temperatures usin... [Read more]
Mend Heating, Home Heating Systems

Central heating stops after about 2hrs running?

I have an Ideal Mexico Super RS 80 boiler which seems to run the heating system for about a couple of hours wh... [Read more]
Mend Heating, Home Heating Systems

1980's Potterton boiler fires up, but radiators not heating?

My old boiler, regularly serviced, fires up, but the radiators don't get hot and I don't think the water is ci... [Read more]
Mend Heating, Home Heating Systems

parva he boiler m96.28sm/p won't heat radiators?

my parav he m96.28sm/p boiler heats the water from tap but not the radiators. it had been reset by accidfent ... [Read more]
Mend Heating, Home Heating Systems

no hot water from oil boiler?

Worcester combi heatslave 15-19 oil boiler no hot water only when i do some fiddling about with the controls! ... [Read more]
Mend Heating, Home Heating Systems

Vaillant ecotec 466 boiler f.75 5er code?

Hi we have the above boiler which has been displaying the F.75 fault code. We have had the pressure sensor cha... [Read more]
Mend Heating, Home Heating Systems

Danfoss FP715 Heating System not working?

I can manually and program the hot water to come on which works fine. The heating side does not work. I can ... [Read more]
Mend Heating, Home Heating Systems

Vaillant vcw-sine, no hot water or central heating when ntc wire connected?

I can only get c. heating, no hot water when the ntc sensor wire is disconnected. I have replaced the water di... [Read more]
Mend D.I.Y, Plumbing

Saunier Duval F28 E2 problem?

Hi I have a Saunier Duval Isomax F28 E2 boiler which contains a water tank that holds approx 45 litres of ... [Read more]
Mend Heating, Home Heating Systems

Greenstar boiler won't start???

We have a greenstar R29/R40 HE conventional condensing boiler which operates heating and hot water. The contro... [Read more]
Mend Heating, Home Heating Systems

How can I fix my vaillant turbomax vuw 242e combi boiler?

I'm trying for central heating by turning control manually the indicating lights come on for central heating o... [Read more]
Mend Heating, Home Heating Systems

Baxi 105 instant He problems?

I have the above boiler 4 years old and am looking for any advice as really hope i dont need to get a engineer... [Read more]

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