How to mend Boiler Heating Cold

ferroli falcon won't work!!?

Hi all. I have had a ferroli falcon combi boiler for about four years and it was only serviced last year. this... [Read more]

how can i fix my condenser boiler?

my heating is on but my hot water runs cold, when my heating is off the water is ok

1

Radiators upstairs will not go off after relighting Potterton Kingfisher ?

Hi, I have an old Potterton Kingfisher CF50 boiler. Yesterday we had no hot water so re-lit the pilot lig... [Read more]

shower running hot then cold?

my heating system is run by a worcester 24i rsf boiler which is 12 years old. we have it serviced every year ... [Read more]

1

Vokera boiler problem?

Central heating works fine but the hot water is a nightmare, can start hot but then runs cold I may be mistake... [Read more]

2

baxi 105e combi?

does any one know out there why does my boiler go hot and cold stays on for one minute then goes off central h... [Read more]

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]

2

Glow-Worm 30cxi combi boiler. No hot water.CH ok?

Turning on hot tap produces 30 secs.tepid water, then permanent cold. Central heating fine. Pressure 1.5 bars.

Glow-Worm 30cxi combi boiler?

On turning on water runs tepid for 30 secs. then cold thereafter. Pressure indicating steady 1.5 bars. Central... [Read more]

I have a greenstar 25cdi gas condensing boiler. ?

The hot water temperature is'nt always getting hot. Never cold but sometimes lukewarm , sometimes hot? The c... [Read more]

2

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]

1

Radiators not getting hot after having 3 new one fitted ?

I've just had 3 new radiators fitted the plumber had to drain down the heating system,since he filled the syst... [Read more]

Can anybody advise why Flexicom 35CX goes into state S53 when in DHW mode?

The boiler works fine for central heating and DHW for sink taps and shower, but when bath tap is used the boil... [Read more]

2

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [Read more]

2

How can I fix my Vaillant Ecotec Plus 428 boiler problem?

When the outside temperature is very cold, and the boiler fires up to heat domestic water and/or the central h... [Read more]

1

potterton performa 24 ?

my boiler keeps fireing up then going off within seconds when heating is on it does get radiators hot but same... [Read more]

1

how can i correct central heating pressure?

i have one radiator which is half way warm and half cold so i decided to bleed. i switched off the boiler and ... [Read more]

how can i fix my baxi combi 80 eco boiler?

after 30 seconds of hot water in the shower it turns cold ,then 30 seconds later it comes hot agaithe same hap... [Read more]

2

'f19' error report - Saunier Duval 'Thermoclassic' boiler?

Recently my boiler is failing to deliver hot water. - It is hot at first then runs cold. On examination I fin... [Read more]

Hydroline b24 boiler runs hot cold d h water?

I have a hydroline b24 boiler The d h water runs hot and then warm cent heating ok Is this a water sensor faul... [Read more]