How to mend ... Central Valve Water

Locating an underfloor water leak?

Hi! My central heating system is of the sealed pressurised type and I am losing about one bar of water pressur... [Read more]

low water pressure F28 lockout, Vaillant Turbomax plus 828E ?

Hi guys, Hope you can help. I've viewed all the relevant and some of the irrelevant posts on similar subjects ... [Read more]

baxi combi 105e boiler,no heating or hot water?

woke up the other morning with no heating or hot water from my 5 or 6 year old baxi 105e combi.i have,within t... [Read more]

Central Heating problem with Worcester Bosch RSF 240?

I have recently changed my leaking diverter valve on my Worcester Bosch RSF240 combi boiler. The hot water op... [Read more]

Sime super 90 plus problems?

Hi, We have a super Sime 90 plus boiler and about a year ago we had to change the dreaded diaphram in the dive... [Read more]

how can i fix my ,worcester heat slave combi boiler?

This is what happens when i turn on a hot tap, first the fan starts and after a short while the pilot light ig... [Read more]

Baxi Maxflow Combi Fs?

The heating system works only if there is a call placed on the water ie actually running the water. Once this ... [Read more]

How do I lower the pressure in my Vokera boiler?

Hi, I posted this question elsewhere but then realised this is probably its proper home! I had my Vokera Co... [Read more]

How do I lower the pressure in my Vokera boiler?

Hi, I seem to have the opposite problem of most people on here so I hope someone can help me! I had my Voke... [Read more]

POWERMAX 155 - Will not heat water & radiators simultaneously ?

Hi all. I was hoping that someone could help? My Powermax 155 will not heat the water to the showers or taps, ... [Read more]

Ferroli domicompact F24 B?

My boiler has been losing pressure for some time. Water comes out the pressure relief valve outlet when the ce... [Read more]

Boiler cutting ouit?

We have recently had a new central heating system fitted, and are having problems, what we have is the boiler ... [Read more]

hot water is fine but central heating intermittent, potterton puma?

Hi Any pointers??, I have a potterton muma 80 combi boiler, hot water is fine but central heating is very i... [Read more]

Expansion Tank won't drain?

Our central heating system stopped working - the boiler would remain on for a few minutes but then cut out, al... [Read more]

no hot water baxi combi 105e?

Hi. I'm looking for some help with a baxi 105e combi boiler. Central heating works fine but hot water only jus... [Read more]

domestic water temp goes from hot to cold to hot all the time?

I have an Ariston Eurocombi boiler. The domestic hot water cycles from hot to cold to hot regardless of whethe... [Read more]

hot water problems?

have a power max 155 and had a flow valve replaced as it was leaking now we have very little hot water i was t... [Read more]

hot water only working when heating is on?

replaced diverter valve and everything was fine for a week.now the hot water will only work when the central h... [Read more]

Ravenheat white star?

boiler operates central heating and hot water when the micro switch is removed from the valve block but is doe... [Read more]

Pilot light keeps going out with my Potterton Puma 80 boiler?

Hi, We have a Potterton Puma 80 boiler that lives in an outdoor shed attached to our house. Our problem is th... [Read more]