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We have 199 questions about mending 'change hot boiler'

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Mend Heating, Home Heating Systems

Drayton digistat rf3 problems?

I have a drayton digistat rf3. Battery symbol came on and i replaced battery according to the instructions. Th... [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

Vaillant ECOmax 824E constantly runs with "06 Boiler shut down"?

i recently had a leak in the 6" rubber pipe in my vaillant boiler. I drained the system and replaced the pipe... [Read more]
Mend Heating, Home Heating Systems

Up grading Potterton Profile?

Currently we have a Potterton Profile 55e that works well and is very reliable. Due to changes in the layou... [Read more]
Mend Heating, Home Heating Systems

vaillant ecotec pro28r, not enough hot water?

hello all, i have vaillant ecotec pro 28r combi boiler, problem is there is not enough hot water but heating i... [Read more]
Mend Bathroom Appliances, Baths and Showers

lukewarm water to my shower and bath but fine elshere in house?

Since the cold weather arrived, my new shower (Triton Mira, 2 levers, 1 for temp, the other for flow) and new ... [Read more]
Mend Heating, Home Heating Systems

Boiler stays Lit but look warm?

I have a modena 102 combi and have just put in new heat sensors for for the CH and DHW as the flame kept going... [Read more]
Mend Heating, Home Heating Systems

Ferroli DOMIcompact F24B losing pressure?

My boiler has been losing pressure for some time. It only appears to lose pressure when the central heating is... [Read more]
Mend Heating, Home Heating Systems

hot water problem?

i have an alpha cd32c combi boiler(4 years old) and when i turn the hot tap on the hot water flows but then it... [Read more]
Mend Heating, Home Heating Systems

no heating/hot water (Worcester Greenstar 24i combination boiler)?

We have Greenstar 24i Junior combination boiler - but this morning as soon as i walked into bathroom knew some... [Read more]
Mend Heating, Home Heating Systems

Changing thermo coupling?

I have a Potterton profile 50e and I would like to know how to change the thermo coupling the boiler keeps fir... [Read more]
Mend Heating, Home Heating Systems

worcester 28cdi fault?

i've got the a 28cdi and it's causing problems. when running on heating it can stay on all the time, but when ... [Read more]
Mend Heating, Home Heating Systems

Potterton Promax 24HE - No Central Heating?

Since the weather turned colder a couple of weeks ago we have been unable to have heating without the hot wate... [Read more]
Mend Heating, Home Heating Systems

boiler problemmy hot water goes very hot to cld in seconds ?

boiler goes hot and cold when taking shower changed two thermal elements but no change
Mend Heating, Home Heating Systems

Glow Worm Ulimtate 50FF Fault?

Our boiler comes on with the timer and goes off with the timer all ok however it does not recognise what tempe... [Read more]
Mend Heating, Home Heating Systems

No Central Heating - Promax 24 HE?

Hello. I have a similar system to that mentioned above. Since the weather turned colder a couple of weeks ago ... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 240 RSF not firing?

Worcester Bosch 240RSF combi boiler. Soft water, high mains pressure. Here's the problem: I had replaced th... [Read more]
Mend Heating, Home Heating Systems

Eco button turns itself on - Worcester 25Si?

Combination boiler works well and has been serviced annually for the 3 years of it's life. Now the ECO button ... [Read more]
Mend Heating, Home Heating Systems

sqeeking/sqeeling noise when boiler is running, 3way diversion valve????

When the boiler is on full burner (using hot water) a loud sqeeking/alarming sound is coming from the boiler..... [Read more]
Mend Heating, Home Heating Systems

Boiler doesn't relight?

europa boiler 24/28. Over time the water pressure would drop - when below the minimum bar pressure the green ... [Read more]
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