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Mend 20 Water Boiler

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We have 310 questions about mending '20 water boiler'

How to mend ... 20 Water Boiler

Mend Heating, Home Heating Systems

ravenheat csi 85 cuts out restarts every minute ?

ravenheat csi85 boiler starts stops when hot water needed tap turns on works for about 2-3 mins then constantl... [Read more]
Mend Heating, Home Heating Systems

worcester heatslave 20/25 rso oil boiler?

is the circulating pump in operation when in hot water mode,ie heating turned off.
Mend Heating, Home Heating Systems

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]
Mend Heating, Home Heating Systems

baxi bermuda boiler, over 20 + years old?

When my CH switches on, on the timer my hot water turns on as well even though it is switched off, why does it... [Read more]
Mend Heating, Home Heating Systems

my Ravenheat 820/20 combi keeps overheating?

when the boiler powers up on central heating the boiler keeps running and makes the water presure go above 3 b... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e combi boiler - fan problem?

I have a 9 year old Baxi 105e combi, which has been regularly seviced and has had a hot water diaphragm replac... [Read more]
Mend Heating, Home Heating Systems

Boiler trips out. Sirrus Radiant?

Sirrus Radiant model RMAS 20 E. Type C.. Boiler trips out when hot water taps are run. Boiler trips our when h... [Read more]
Mend Heating, Home Heating Systems

Fix my Worcester Heatslave 20/25 oil boiler?

Worcester Heatslave 20/25 boiler 10 years old - over heating the domestic hot water, dangerously hot despite a... [Read more]
Mend Heating, Home Heating Systems

Boss therm br1 not communicating properly?

Hi, we have a boss therm br1 which was fine until batteries died. We replaced and all was ok then they decide... [Read more]
Mend D.I.Y, Plumbing

my creda redhead water wont heat ?

my creda redhead boiler is 20 years old it has just stopped heating our water
Mend Heating, Home Heating Systems

new worcester 550I combi boler?

When the hot tap is opened fully the temp of the water increases until the boiler trips out .Worcester service... [Read more]
Mend Heating, Home Heating Systems

Sabre he29?

The hot water is intermittent. It stays hot for a couple of mins and then cuts out for about 20 seconds before... [Read more]
Mend Heating, Home Heating Systems

Heating Problrm?

Hi,I have a heatslave 20/25 Combi boiler,Diverter valve was changed as went faulty. since then have no heatin... [Read more]
Mend Heating, Home Heating Systems

i have an heatslave 20/25 oil combi?

our heatslave 20/25 oil combi boiler seem to start but we are getting no hot water and no heating. i have pr... [Read more]
Mend Heating, Home Heating Systems

replace water tank heatslave 20/25 boiler? its leaking?

Is it possible to replace the water tank? I have limited side access' so is it possible to pull out from front... [Read more]
Mend Heating, Home Heating Systems

ariston boiler keeps shutting down?

the boiler is about 8 years old and when i put the heating or water on it runs for about 20 minuits and then s... [Read more]
Mend Heating, Home Heating Systems

No heating or hot water is this an expensive repair ?

My Vokera RS 20 80 Flowmatic boiler has stopped working ,pilot light is on but cannot get boiler to ignite whe... [Read more]
Mend Heating, Home Heating Systems

Potterton Puma 80 fires up then stops?

potterton puma 80? I run my central heating and the boiler ignites for about 20 seconds then stops. it will... [Read more]
Mend Heating, Home Heating Systems

Radiators not heating?

Hi Can someone help me please, i put my central heating on yesterday and this morning i found my radiators we... [Read more]
Mend Heating, Home Heating Systems

Midas Sfi combi wont light?

I have a Madas Sfi combi boiler (20 years old i think) the problem is the hot water wont work. i run through t... [Read more]

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