How to mend ... Intermittently Cold Hot

Water hot and cold intermittently ?

When I run a bowl of water or bath, the water starts off hot but then after a while goes cold, then warm again... [Read more]

Greenstar CDi combi boiler overheating?

Hi, Greenstar CDi combi boiler 3 years old. Top floor radiators cold so bled, this dropped water pressure to z... [Read more]

hot water going cold intermittently?

my vokera boiler has gone faulty since having a towel rail fitted in the summer. a part on the boiler was bro... [Read more]

worcester 24i rsf. intermittent pump and unreliable burner firing?

problem with boiler - when i demand hot water, the pump will work but sometimes burner will not fire up, somet... [Read more]

Ariston Mircrogenus HE 32 MFFI - Hot water not getting up to temp?

Hi Guys, I have a HE32 MFFI Boiler, recently the Hot water has not been getting up to temperature. i... [Read more]

hot and cold shower?

i have a cascade shower 3yrs old runs off my combi boiler 2 yrs old , it intermittently runs hot then cold ! c... [Read more]

hot water running cold?

ferroli 30 combi bolier, hot water runs cold intermittently,whats the problem?

Hot Water Problem with Ideal Isar He24 Combi?

Hi, Can anyone help? A friend of mine is having problems with her hot water supply from her Ideal Isar He2... [Read more]

Baxi duo tec combi 24HE heating fault?

My 2 1/2 year old Baxi combi shuts down the heating side despite everything calling for heat. This happens int... [Read more]

How can i fix my vokera linea 28 boiler?

When i run the hot water it goes hot then cold and i cant get constant hot water and then the boiler resets an... [Read more]

Sime 60 stopped working (both central heating and hotwater)?

Sime 60 heating system (circa 7 yrs old and annually services incl. some parts replaced in recent years) insta... [Read more]

Ferroli Falcon boiler Fault?

my boiler gives hot and cold water intermittently with the boiler firing up and going off in between,also the ... [Read more]

Vokera Maxin 24e Lockout?

I am having problems with the Lockout Reset Button illuminating intermittently on my Vokera Maxin 24e, the con... [Read more]

Intermittent Fault Vaillant turbomax VUW 242E?

How can I fix my Vaillant Turbomax VUW 242E? My boiler is 8 yrs old. The flame indicator illuminates but th... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]

Glow-worm Swiftflow 100 Manual?

Hi - I have a Glow-worm swiftflow 100 but no manual can anyone help me - I have a problem with the water not h... [Read more]

Potterton Puma 80 c/h intermittently working until warmed up?

My boiler, Potterton Puma 80 (may be an 80e as no pilot light?) has been working fine for 5 years and now it t... [Read more]