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We have 228 questions about mending 'water demand heating'

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Mend Heating, Home Heating Systems

ariston boiler - dangerous? Turn off heating?

My Ariston boiler heats water on demand and central heating. The boiler keeps coming on and heating up the ra... [Read more]
Mend Heating, Home Heating Systems

Worcester 9.24 RSF.E fan runing all the time?

hello i have a worcester 9.24 boiler we have just moved in to a house and the heating and hot water work fine ... [Read more]
Mend Heating, Home Heating Systems

no hot water from boiler?

my glow worm boiler is not giving me hot water. central heating works but no hot water. symbol is not lightin... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 24CDi Combi - intermittent hot water?

This boiler has worked perfectly, since I had it fitted 3 years ago. Recently, however, when trying to run ... [Read more]
Mend Heating, Home Heating Systems

No Hot Water from Worcester 28CDi Combi?

I do not get any hot water when I open the hot water tap. The boiler is Worcester 28CDi Combi. The only way to... [Read more]
Mend Heating, Home Heating Systems

worcester 9.24 no hot water?

please help, i'm pulling my hair out. it first began with the boiler only giving hot water when the central he... [Read more]
Mend Heating, Home Heating Systems

How do I fix my heating problem on Vokera Linea 730?

Heating problem on Vokera Linea 730. Hot water mode operates fine on demand. On heating, temperature only reac... [Read more]
Mend Heating, Home Heating Systems

Saunier Duval Boiler - SD30e cutting out?

Hi, I have an SD30e combi boiler (exactly the same as a Glow-worm compact) and recently a diaphragm had to be ... [Read more]
Mend Heating, Home Heating Systems

domestic hot water problem Baxi 105e instant?

In all respect my boiler appears to do everything it should.No fault warnings,sounds right,fires up on demand ... [Read more]
Mend Heating, Home Heating Systems

Heating, but no hot water!?

Had to change a rad, so drained down compleat system, inadvertantly drained hot water as well!! refilled and b... [Read more]
Mend Heating, Home Heating Systems

Ferroli F24B Combi Boiler. Follow on to earlier enquiry?

Hi DC, or whoever else can help me, PLEASE? Following on from Gemma's enquiry, i too have a Ferroli F24B comb... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Potterton Puma 80E?

We have a Potterton Puma 80E and until recently it has been working fine. The problem is that we have hot wate... [Read more]
Mend Heating, Home Heating Systems

whats wrong with my glowworm boiler?

my glowworm micron 50ff boiler is constantly lighting and switching itself off after a few seconds and seconds... [Read more]
Mend Heating, Home Heating Systems

what is wrong with my glowworm micron50ff boiler??

my glowworm micron 50ff boiler is constantly lighting and switching itself off after a few seconds and seconds... [Read more]
Mend Heating, Home Heating Systems

pump overrun baxi solo3 PFL?

my baxi solo 3 PFL honeywell printed circuit board ,tells pump to run with no demand on s/v terminal (HEATING-... [Read more]
Mend Heating, Home Heating Systems

Problem with Vaillant TurboMax VUW 242E, fan/boiler not running?

My boiler had divertor valve problem in past, plumber replaced it for a reconditioned one-it lasted about 2 mo... [Read more]
Mend Heating, Home Heating Systems

Why doesn't my worcester 350 give hot water?

I have a worcester 350 combi boiler and programmer. It recently decided to stop delivering hot water. When a h... [Read more]
Mend Heating, Home Heating Systems

problems with worcester 350 hot water supply?

Can anyone help me fix a problem with my worcester 350 boiler? It runs ok on heating mode but when a demand fo... [Read more]
Mend Heating, Home Heating Systems

How to fix a Glow Worm 35ci combi boiler?

The heating is working but the hot water suppy only gets luke warm. The water gets slightly hotter if I reduce... [Read more]
Mend Heating, Home Heating Systems

Worcester bosch CDI Hot water fault!?

The central heating works ok. When you demand for hot water the burner keep going on and off like every 10 sec... [Read more]
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