How to mend ... Central Heating Running

Worcester boiler 35CDi?

What can be wrong with my boiler? I first noticed a problem when my shower began running hot then cold, hot th... [Read more]

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]

How do I reset my wireless Siemens RDJ10RF thermostat?

"I have a wirelss Siemens RDJ10RF thrmostat with RCR10/433 receiver.""The lights on the receiver have gone out... [Read more]

pressure gauge in the red zone / vaillant eco tec pro 28?

I have a Vaillant Eco Tec Pro 28 and when the central heating is running the pressure gauge goes up into the R... [Read more]

my Ravenheat 820/20 combi keeps overheating?

when the boiler powers up on central heating the boiler keeps running and makes the water presure go above 3 b... [Read more]

when running a bath the central heating comes on?

When I run a bath my central heating comes on .on my potterton performa h30 system

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]

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]

grundfos selectric 15-50?

Central heating working ok but hot water only luke warm. Large screw ! in center of pump is pointing to '130'... [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]

Baxi 105e trips all the time?

Baxi 105e works to give hot water all the time but when central heating is on it trips on the 60 led which is ... [Read more]

i have a vokera linea 24 ?

Central heating working but when I use hot water it only stays hot for 3 to 4 mins then its cold.the temp goes... [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]

baxi combi 80eco?

Hi I have a baxi combi 80 eco boiler. The system preasure was too high on examination but has now been bled an... [Read more]

How can I fix my Vaillant Turbomax Plus combi boiler?

Have recently drained and refilled system. Turned boiler on and after an hour or so pressure was around 2 bar,... [Read more]

Vokera Compact 24 Fault?

No Central Heating or Hot Water The red light and fan are running constantly even when the switch on the fron... [Read more]

Potterton EP4001 - Time running slow?

The time on my Potterton EP4001 is running slowly, which effects the time my central heating is automatically ... [Read more]

i cant bring my ferroli modena 102 out of central heating mode?

central heating running at all time,wont switch off, not responding to controls.

Worcester Bosch 25si not igniting?

Due to the recent very wet weather and strong winds, my boiler has gone into fault with flashing red light, I ... [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]