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We have 138 questions about mending 'boiler heat water thermostat'

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Mend Heating, Home Heating Systems

i have a problem with heating coming on 1st thing in the morning?

have a puma 80 combi which is about 12yrs old. When we turn the heating on via the room stat in the morning th... [Read more]
Mend Heating, Home Heating Systems

Ravenheat RSF820/20T fails to heat water?

Hi Folks, Our RSF820/20T has just about given up giving us hot water :( The closest we can get is luke warm... [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

Baxi Combi 80 Eco keeps cutting out, red button won't push in!?

I have a Baxi Combi 80 Eco boiler. When I turn on the hot water, it will heat up for about 10 seconds then the... [Read more]
Mend Heating, Home Heating Systems

no heating from ferroli boiler?

I have a ferroli optimax he 31c. the hot water works fine but this morning the heating will not come on. the... [Read more]
Mend Heating, Home Heating Systems

My Greenstar 532i doesn't reliably fire up and heat the rads?

I suspect there is a problem but when we got the gas folk out before they just filled it with a bit more water... [Read more]
Mend Heating, Home Heating Systems

how can i fix my ferroli domicompact f 24 b boiler?

when the thermostat calls for heat the boiler fires up but after a short time it switches off and the fault d... [Read more]
Mend Heating, Home Heating Systems

Can I fix my boiler or do I need to call an engineer?

I have a Potterton 80E combi boiler. It sprang into action pumping out lots of heat from the radiators despite... [Read more]
Mend Heating, Home Heating Systems

Isar HE30 combi boiler?

Have a problem with my boiler, its been ok for the three years I have had it, but lately when I have a shower ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my britony 80/100 combi?

my central heating is fine. the hot water fluxuates between hot and cool. there is also a loud groaning noice ... [Read more]
Mend Heating, Home Heating Systems

how to fix my boiler?

Have Potterton Profile boiler model 50e. Central heating will only work when water requirement is programmed t... [Read more]
Mend Heating, Home Heating Systems

how can i fix my ideal mexico rs 125?

hi there i have an ideal mexico rs 125 all of a sudden i have no heating, the pilot is on in fact i accidently... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Baxi Bermuda 57/3M back boiler? ?

My Baxi Bermuda 57/3M back boiler doesn't heat the radiators. The boiler flame only lights up for approx 1 min... [Read more]
Mend Heating, Home Heating Systems

Central heating confusion?

I seem to only get hot radiators while my boiler heats my hot water but as soon as that get to temprature even... [Read more]
Mend Heating, Home Heating Systems

S Plan Plus System and Vaillant ecoTEC plus 831?

Vaillant ecoTEC plus 831 boiler is in and running the house heating and water. Control of heating is only by... [Read more]
Mend Heating, Home Heating Systems

How can I optimize settings on Glow Worm Ultra com 30cxi? ?

Boiler was installed 3 winters ago. First winter very poor, rads took hours to heat and boiler was off when th... [Read more]
Mend Heating, Home Heating Systems

Halstead Ace High boiler central heating cuts out before thermostat tempera?

Hi, my Halstead Ace High boiler central heating cuts out before thermostat temperature. Hot water works fine a... [Read more]
Mend Heating, Home Heating Systems

Why does boiler burner ignite outside programme times ?

I have a Potterton FlamingoII RS 40 the burner has begun to ignite idependently when no heating or hot water i... [Read more]
Mend Heating, Home Heating Systems

Thermostat Control?

I have a Digistat RF1 wireless unit which was replaced in Feb. since replacing it, a red light appears on the... [Read more]
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