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Mend Heating Water 25

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We have 112 questions about mending 'heating water 25'

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Mend Heating, Home Heating Systems

Vokera Maxin 28e combi boiler, DHW runs hot and cold?

A few months ago DHW temperature started to fluctuate mildly between hot and warm. This problem got worse so a... [Read more]
Mend Heating, Home Heating Systems

Faulty vokera compact 25?

I have spoken to the gas safe engineer that installed this boiler new approx. 3 years ago about the problems i... [Read more]
Mend Heating, Home Heating Systems

Faulty vokera boiler compact 25?

Hi this boiler is doing my head. I have no hot water or heating, sometimes the boiler will fire up if set low... [Read more]
Mend Heating, Home Heating Systems

hot water iswarm not hot?

I have been told by a heating engineer that the heat exchanger on my boiler is clogged up and because of it's ... [Read more]
Mend Heating, Home Heating Systems

Sabre HE 3 second blinking green then flashing red when on?

Hello. My Sabre HE stopped working this morning after working fine. I have done lots of searches and tried t... [Read more]
Mend Heating, Home Heating Systems

Bleeding the boiler after a lock out?

I allowed the oil level to get too low resulting in a lock out with 2 red lights. How do I reset and bleed th... [Read more]
Mend Heating, Home Heating Systems

worcester heatslave 20/25 ?

agh we have good pressure, plenty of oil, not 'locked out' but won't fire up! Neither hot water or heating. ... [Read more]
Mend Heating, Home Heating Systems

how to regulate gas?

hi we have a main combi 25 eco only four years old gas man says might be p c b but boiler shows no error codes... [Read more]
Mend Heating, Home Heating Systems

Ferolli Optimax HE Plus 25 S Loosing pressure randomly?

This is a very strange problem that has my plumber friend very confused. When the boiler is on, the pressure ... [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

Why does pressure keep rising to 3 bar on Worcester Heatslave 20/25?

I have a 20 year old Worcester Heatslave 20/25. The heating and hot water are switched off. The pressure gauge... [Read more]
Mend Heating, Home Heating Systems

Problem with Worcester Heatslave 20/25 Programmer?

I have had three programmers fitted to my system for one reason or another. This one seems to be causing the ... [Read more]
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