How to mend ... Boiler Running Cold

Why is the pressure on my Ariston boiler rising to nearly 4 Bar?

Hi Can anyone please advise me on why my Ariston Eurcombi A/27 MFFI pressure is rising from just over 1 Bar... [Read more]

Baxi Solo 3 PFL 50 gas boiler - Pilot light keeps turning off?

This just started tonight — Baxi Solo 3 PFL 50 gas boiler was running fine but then we noticed the radiators... [Read more]

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]

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]

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]

Boiler fails to start when cold?

Have got a vokera maxin 28e boiler which has been moved from kitchen into garage however now when cold it fail... [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]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

Potterton profile 40e ignition problem?

Hi can anyone help, I have a potterton profile 40e the boiler has been running fine until the other morning. I... [Read more]

pressure gauge on combi boiler?

I have a Ravenheat RSF 820/20T fanned combi the pressure gauge on it shows an increase in pressure above the i... [Read more]

ariston microgenus 23 mffi ?

My boiler's hot water goes hot & cold when running.It also heats the radiators when hot water is running.It al... [Read more]

alpha boiler - hot water ok but only slight central heating ?????????

boiler is lighting and giving good hot water but the central heating is just lookwarm even after 3 or 4 hours ... [Read more]

How can I fix hot tap in bath. Boiler is a Compact HE?

The hot tap for the bath is running slow and goes hot and cold...I believe it may be the tap itself (The unit ... [Read more]

How can I fix my Sime Ecomfort boiler?

The hot water keeps running hot and cold.

Vaillant Ecomax boiler - Fault Code F22 - Please help?

Major probs with my ecomax boiler. Over 2 weeks ago, when in shower noticed problem whereby hot water would ru... [Read more]

radiator nightmare!!!!?

i have a baxi back boiler which i believe is a closed loop system with a bubble in the tank for heating the ra... [Read more]

Banging Pipes - Hot water only?

We have a worcester boiler (in our new house) which was fitted 9 yrs ago - for some reason it has been left as... [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]

I have an Ariston micro Genus HE combi boiler, and the water distribuiton n?

I have an Ariston micro Genus HE combi boiler and when running the water for a bath or a shower, the water int... [Read more]

Help with Worcester greenstar ri?

Hi, drained a central heating vented system today to fit a new rad valve, turned the cold water back on and re... [Read more]