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Mend Heating, Home Heating Systems

Ferroli Modena 102 Boiler - oscillating water pressure?

I have a Ferroli Modena 102 Boiler. When I run the hot water at full bore, after a second or so, the pressure... [Read more]
Mend Heating, Home Heating Systems

clow worm compact electronic combi boiler?

i cant get hot water at all although my heating is still working can you help
Mend Heating, Home Heating Systems

why wont central heating work?

i have a potterton puma 80 combi boiler and the hot water is working but the central heating is not. When i t... [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]
Mend Heating, Home Heating Systems

Intermittent hot water one SIME combi boiler?

I have a sime combi boiler, sorry, I dont know where to find the model number, but the heating (radiators) are... [Read more]
Mend Heating, Home Heating Systems

how can i fix my combi boiler ravenheat rsf 100?

heating is working fine but when i turn on hot water it keeps goin hot and then cold then hot then cold,can an... [Read more]
Mend Heating, Home Heating Systems

Potterton Puma 80e - Hot Water but not heating?

There is hot water coming from the boiler; this has led me to believe that the pump is working and able to pum... [Read more]
Mend Heating, Home Heating Systems

Vokera Excell. Heating system ok but no hot water!!?

Our boiler is operating ok but we are not getting any hot water. If the boiler is not running,usually it kicks... [Read more]
Mend Heating, Home Heating Systems

Fan noise from Potterton Puma 80 - 100?

There is a constant fan noise coming from my Potterton Puma boiler (either 80 or 100 series). It goes away wh... [Read more]
Mend Heating, Home Heating Systems

240 combi boiler?

my worcester 240 combi boiler will not supply me hot water on demand but when the heating is on it runs warm,w... [Read more]
Mend Heating, Home Heating Systems

how can I fix my central heating boiler?

I have a Ferolli 77CF combi bolier 1993. If we turn on the hot water we have to continually hold down the pilo... [Read more]
Mend Heating, Home Heating Systems

hot rads but water runs cold or just warm?

the only way to get hot water is to turn heating down low what is wrong with my combie boiler
Mend Heating, Home Heating Systems

ariston a/23 mffi no heating or hot water "help"?

the ignition reset button/safety reset overheating light on the boiler is continually coming on which shuts of... [Read more]
Mend Heating, Home Heating Systems

How can i fix my boiler, Potterton Puma 80 - 80e?

The pliot light is on and stays on, but when i put the central heating switch on, it lights up as normal. afte... [Read more]
Mend Heating, Home Heating Systems

Trouble shooting guide required for Ravenheat 820/20 combi boiler?

Does anyone have a copy of this user manual/service guide/trouble shooter they could email me. My boiler is... [Read more]
Mend D.I.Y, General D.I.Y

We have a worcester bosch 240 boiler, yet we cant use "On Demand"?

We have a worcester bosch 240 boiler, yet the "On Demand" switch doesnt work when it is on. If we turn on the ... [Read more]
Mend Heating, Home Heating Systems

do i need another diverter valve for my alpha 280e combi boiler?

My alpha 280e combi boiler has a problem with the hot water temperature, it fires up ok starts to heat the wat... [Read more]
Mend Heating, Home Heating Systems

Hot water but no heating, pressure is v.low, how do I fix?

The boiler pressure reading is close to zero and I have no heating in all of my rooms except the one nearest t... [Read more]
Mend Heating, Home Heating Systems

Heating not working, but there is constant hot water supply?

I have a valiant combi boiler, which works ok when hot water is needed, but the ignition light goes off each t... [Read more]
Mend Bathroom Appliances, Baths and Showers

Vaillant Turbomax plus combi - CH runs when hot tap turned on?

I have a Vaillant Turbomax plus combi boiler - either the 824E or 828E, I cannot currently see which. I hav... [Read more]
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