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We have 252 questions about mending 'boiler running system'

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Mend Heating, Home Heating Systems

Radiator problems?

Hi all, i have a valliant combi boiler no mod number the central heating system running my radiators, the wat... [Read more]
Mend Heating, Home Heating Systems

vokera compact 28?

within the last week i have treated my boiler with a limescale remover i inteneded leaving it in the system fo... [Read more]
Mend Heating, Home Heating Systems

vokera 12-48 mynute no relight after boiler thermostat clicks off?

hi can anyone please help. i just moved into a flat with a vokera 12-48 mynute standard boiler with power flue... [Read more]
Mend Heating, Home Heating Systems

Heating Fault - Pump continually runs (Maxol microturbo 402)?

I have a Maxol microturbo 402 domestic boiler that is used for the central heating and hot water in my home. T... [Read more]
Mend Heating, Home Heating Systems

I have a problem with my hot water via a Potteton Puma 80e boiler?

I recently drained and recharged my boiler / radiators to change a TRV and get alot of air out of my rads. But... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optima 901 -occasional Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing occasional problems with no ho... [Read more]
Mend Heating, Home Heating Systems

How can I Fix My Ravenheat 820/20 boiler?

My ravenheat 820/20 boiler is supplying hot water but no CH. After a basic fault finding mission I discovered ... [Read more]
Mend Heating, Home Heating Systems

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]
Mend Heating, Home Heating Systems

Potterton Netaheat - pump is on when system is off?

I have a Potterton Netaheat boiler - (not sure of the model number). This morning, although the system was tu... [Read more]
Mend Heating, Home Heating Systems

What is wrong with my Potterton Kingfisher 2?

My Potterton Kingfisher 2 floor standing gas-fired Central Heating boiler has started to make a very odd noise... [Read more]
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

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

glow worm swift flow 100 HELP?

Hello a few years back i had a problem with my swift flow 100 combi boiler, the pilot light wouldn't light. Af... [Read more]
Mend Heating, Home Heating Systems

loss of pressure & cold radiators at the bottom?

We have a Worcester Greenstar R40HE combi boiler. The pressure is dropping on an almost daily basis though we... [Read more]
Mend D.I.Y, General D.I.Y

loss of pressure?

ihave a netaheat gas boiler--------the pressure release valve returns to zero when i switch off and i have to ... [Read more]
Mend Heating, Home Heating Systems

My CH boiler keeps blowing out when its windy outside!?

Hi, I hope someone can help me with this one. I have an old Baxi Wm 381 RS CH boiler in a house we just moved ... [Read more]
Mend Heating, Home Heating Systems

How can I fix my leaking Sime Friendly Format 80 e?

My combi boiler is dripping/ running water when in use. It appears to be coming from a valve attached to the p... [Read more]
Mend Heating, Home Heating Systems

VULCAN CONTINENTAL BOILER - PILOT LIGHT KEEPS GOING OUT?

CAN LIGHT PILOT, BUT ONCE SYSTEM IS THEN UP AND RUNNING IT CUTS OUT AFTER ABOUT 10 MINS, WHAT IS THE LIKELY PR... [Read more]
Mend Heating, Home Heating Systems

how do I fix my saunier duval 620f?

Hi, Ive just fitted a new pump to my saunier duval boiler. Within 30 mins of it starting up, water seemed to b... [Read more]
Mend Heating, Home Heating Systems

Boiler pilot for Vulcan Continental?

Hi, I have a very old system with a vulcan continental boiler. My water heats up with an electric switch, ... [Read more]
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