How to mend ... Not Enough Hot Water

noisy ideal isar HE 24 condenser boiler?

I have an Ideal Isar HE 24 and am having a problem with it. Its about 4 years old i have just changed the DHW ... [Read more]

how can i fix my seme 80 boiler?

my boiler has been switched off in an empty flat for 3 months when i ask for hot water i get warmish hot water... [Read more]

How can i fix my combi boiler/ central heating (make is Potterton Lynx)?

Hi When i switch on my boiler it starts up for a minute or so then trips the switch off in the fuse box. This ... [Read more]

Grundfos Selectric UPS 15-50 pump?

The pump has been 'jamming' for the central heating for a while, necessitating a good whack to get it started,... [Read more]

Hot water OK but no C.H?

I have a 2 years old Ferolli 24 combi boiler. The C.H just stopped working although the hot water supply conti... [Read more]

the flame on my modina 102 boiler cycles on and off?

the flame on my boiler keeps going on and off every couple of minutes and also the water in my flat goes hot a... [Read more]

What could be the reason for fan not coming on?

What could be the reason for fan not coming on when switching to either hot water and central heating or hot w... [Read more]

central heating not working?

my central heating is working upstairs (radiators) but not down stairs , all the rads are cold. I have bled th... [Read more]

how can i fix my ariston microgenus 23mffi?

my boiler will not fire up unless i tap the bottom of the boiler it will work then untill i use hot water then... [Read more]

Radiators go cold when hot water tap on?

Radiators go cold when hot water tap on.On my 24si II Worcester boiler.

how do i balance hot and cold on my pegler thermus shower valve?

the valve runs warm then very hot does not seem to take in cold water i cannot seem to be able to adjust throu... [Read more]

whats wrong with my boiler?

the central heating works but when we want the hot water no water come out of the hot tap. the make is an eco... [Read more]

Got Ravenheat RSF 820/20 central heating ok but water is running cold?

Central heating is working fine but when turn hot tap on full, water runs cold (if leave it running as a trick... [Read more]

vokera excel 80 sp ,heating but water only warm?

engineer been ,replaced diaphragm and sensor ,but water is only tepid ,but hot when central heating on ..he sa... [Read more]

hot water but no heating? ideal combi fanned flue?

my heating is not working but hot water is fine,i have 2 bar of water pressure at the boiler. if i turn off th... [Read more]

Potterton combi 80 boiler?

I have re pressurised the expansion tank as suggested. There is no water coming from the valve on the unit nor... [Read more]

water not heating up from the central heating system?

we have an oil worcester danesmoor central heating system. The heating is working fine but the hot water is no... [Read more]

Why does my heating switch off when water due to come on?

When my hot water is manually started or programmed to start the heating switches off completely. Why? It's no... [Read more]

How do i increase the water pressure for 2 showers? Do i need 2 pumps?

I have 2 showers in my house. One in my en-suite and another in the family bathroom. Both showers have poor wa... [Read more]

my glow worm fuelsaver f has been making a loud whistling sound?

The whistling sound has begun since i had a new bathroom replaced last week. we are getting hot water and heat... [Read more]