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Mend Heating, Home Heating Systems

Why does my Potterton Profile Boiler not fire up?

I hope some one out there can help me to diagnose the problem with my Potterton Profile which will not light.... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e HW but no CH?

Hi Ive got a Baxi 105e which has developed a CH fault. Hot water works fine but flame will not remain lit whe... [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

How to fix a error E34?

It is Ariston microGENUS HE 28 MFFI combi condensate boiler. Ones it is heat up it shuts down, even if hot wa... [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

How can I fix my Vaillant boiler?

How can I re-start my vaillant boiler and what do I do if the "pressure" level is bellow 1? The boiler starts... [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

how do i increase water pressure to hot water tap?

how do i increase water pressure on my worcester 24 cdi boiler the pressure has dropped from 2.5 to 1.00
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]
Pages 131211109

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