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We have 536 questions about mending 'boiler heating working fine'

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Mend Heating, Home Heating Systems

problem with ravenheat rsf 820/20?

just replaced divertor valve, tested water and heating and was working fine, just put all the covers back on, ... [Read more]
Mend Heating, Home Heating Systems

Worcester Heatslave 15/19 not working?

Hi, I have a worcester heatslave 15/19 combi boiler which worked fine until this morning when it suddenly sto... [Read more]
Mend Heating, Home Heating Systems

Highflow 400 Boiler not working?

Hi, I moved into a new flat with a Highflow 400 boiler about half a year ago. Its been working mostly fine in ... [Read more]
Mend Heating, Home Heating Systems

My Potterton 80e often doesn't start up anyone know why?

My Potterton 80e gas central heating and hot water boiler often won't fire up on its own . We tend to have ... [Read more]
Mend Heating, Home Heating Systems

boiler, ace high halstead?

boiler will not fire , was working fine then found that when I turned the water on it's showing the water ligt... [Read more]
Mend Heating, Home Heating Systems

Ferroli Boiler preasure ?

Have a Ferroli Combi 77 FFboiler heating working fine , hot water working fine, problem is preasure bar seems ... [Read more]
Mend Heating, Home Heating Systems

vokera heat exchanger?

i recently changed expansion vessell and heat exchanger on vokera 24 comi, the heating side is working fine bu... [Read more]
Mend Heating, Home Heating Systems

What is wrong with my Potterton Boiler Suprima 40 L?

I have the above boiler. I've had no problems with it for the last three years. I am putting my house up for r... [Read more]
Mend Heating, Home Heating Systems

What F4 mean on a Glow Worm Boiler model 18hxi?

WE CAME HOME AND THE HEATING WASNT WORKING, the boiler wasnt on and had F4 on the panel, my husband restarted... [Read more]
Mend Heating, Home Heating Systems

Hot Water Problem with Ideal Isar He24 Combi?

Hi, Can anyone help? A friend of mine is having problems with her hot water supply from her Ideal Isar He2... [Read more]
Mend Heating, Home Heating Systems

Central Heating problem with Worcester Bosch RSF 240?

I have recently changed my leaking diverter valve on my Worcester Bosch RSF240 combi boiler. The hot water op... [Read more]
Mend D.I.Y, Plumbing

Sime super 90 plus problems?

Hi, We have a super Sime 90 plus boiler and about a year ago we had to change the dreaded diaphram in the dive... [Read more]
Mend Heating, Home Heating Systems

Hot water fault on Vokera compact 28?

Hot water intermittant and has flow slowed to a narrow stream which stops after 10 to 15 minutes Cold water p... [Read more]
Mend Heating, Home Heating Systems

Heating but no hot water?

My Vaillant boiler has the radiators working fine but the pilot light indicator is off and the tap water is co... [Read more]
Mend Heating, Home Heating Systems

Hello all, boiler not working properly?

Hello all, i have a very old combi c.h boiler (solaire model ghb 21/f t.02) which no one has heard of, i would... [Read more]
Mend Heating, Home Heating Systems

potterton profile 80 boiler pressure sensor pipe?

Hi The red plastic pipe is bent/constricted and blocked, the fan is working correctly. The boiler works if I p... [Read more]
Mend Heating, Home Heating Systems

Ferroli HE 31 C Problem?

I have new boiler (less than 2 months old) that was working fine, but now DHW won't work. Fault d1 comes up on... [Read more]
Mend Heating, Home Heating Systems

Poterton kingfisher II RS80 will not fire, pilot is lit, but will not fire ?

IMy Potterton Kingfisher II RS80 was working fine till this morning, now when try to activate either hot water... [Read more]
Mend Heating, Home Heating Systems

Baxi solo 3 pfl30 not working?

Our boiler was working fine this morning but tonight we have no heating or water. The boiler light is on but ... [Read more]
Mend Heating, Home Heating Systems

How can i fix??

My central heating and hot water was working fine when i went out came home and nothing working, the pressure ... [Read more]

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