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We have 402 questions about mending 'pump system boiler'

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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

My Potterton Profile keeps going out - Please help?

Help with Potterton Prima Profile? Hi I wonder if you can help. I have the above boiler which until recentl... [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

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

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

Potterton Netaheat EP 2000?

I have a Potterton Netaheat EP2000. Recently the power in my whole flat cut itself off following the start up... [Read more]
Mend Heating, Home Heating Systems

I think I have air in my rads?

I have a glow worn ultimate... It is not a combi it is the older type will a tank in a cuboard were it stores ... [Read more]
Mend Heating, Home Heating Systems

baxi boiler solo problems?

Please can anybody tell me if the pump is run all the time during the on time. The system seems to get hot but... [Read more]
Mend Heating, Home Heating Systems

How do I add extra radiators to an existing central heating system?

I need to add two extra radiators [down stairs] to the heating system. I have checked the boilers btu output t... [Read more]
Mend D.I.Y, General D.I.Y

How can I desludge my central heating system?

We have a Baxi boiler which had a new pump some years ago, if the upstairs rads are only on the downstairs one... [Read more]
Mend Heating, Home Heating Systems

how can i fix my glow worm fuelsaver 30-40?

Pilot light is on. When system is calling for boiler to fire up it doesnt. New grundfos pump fitted 2 years a... [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

no flow from combi boiler to radiators?

Baxi Genesis 80 - hot water ok but all radiators cold. When CH is switched on, the system fires up and the... [Read more]
Mend Heating, Home Heating Systems

Help - Potterton Flamingo 50?

Heating system not working - water in rads - pump working when system switched on, but doesn't appear that the... [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

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

Puma 80 overheats and shutsdown when DHW switched off?

This 8 year old Potterton Puma 80 has had first a new diverter valve fitted, and now a circuit board, but stil... [Read more]
Mend Heating, Home Heating Systems

Potterton Puma 80 combi boiler hi press problems?

When Central heating turned on from cold my system has an initial hi press surge (1-3.5bar), after header temp... [Read more]
Mend Heating, Home Heating Systems

central heating problem old baxi back boiler?

i have a baxi back boiler which is not working properly when i turn on the heating only the upstairs get hot t... [Read more]
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