How to mend ... Problem Water Demand

Biasi 24s domestic hot water problem?

Burner will not ignite when the demand for hot water is received, unless the central heating is also turned on... [Read more]

Intermittent boilet fails to fire on heating?

I have a 5 year old Glow-worm CX35i controlled by Drayton Digistat SCR and analogue timer (on the panel). The... [Read more]

Paloma model#ph28rofp?

When water is in demand the burner will light then go out, light again & burn for approx 3-5 seconds go out ev... [Read more]

Worcester bosch 2.8i junior, cuts out with red flashing light?

My boiler has been working ok through the summer, heating hot water on demand, but now its getting time to put... [Read more]

Chaffoteaux maury britony combi 100 se, fault keeps changing!?

Hi I'm hoping someone an help. My boiler failed on tues, showing a fault 40 60 80. It was my fault as I had i... [Read more]

anyone help with Baxi 105 HE problem?

Hello new to this site - hope someone can help with this problem. Baxi 105 HE - ch stopped working, in dhw mo... [Read more]

Sime super 90 hot water problem?

I have a Sime super 90 and the over temp is tripping when there is hot water demand. I replaced the diverter v... [Read more]

no hot water on demand worcester 24 cdi?

Hi when the hot water tap is turned on the boiler dosnt fire and the red light dosnt come on.. however when th... [Read more]

Worcester combi greenstar intermittently not starting up/EA error code?

We have a 3yr old Worcester Greenstar combi boiler that is playing up. It has been intermittently not firing ... [Read more]

Bosch Worcester CD24i not delivering hot water properly?

When hot tap turned on water demand light comes on and burner ignites, water begins to get warm. Then after ab... [Read more]

Saunier Duval Combi Boiler Pressure Rises?

Hi Hopefully someone can answer this problem for me please? I have a Saunier Duval Thema Condens F30e Bo... [Read more]

Digistat SCR fault?

Hi I have a similar problem with the Drayton Digistat - hot water is ok - but no lights at all on the SCR reci... [Read more]

ferroli f24 heating boiler low water pressure problem?

i have a ferroli f24 it funtions well but i but now have a problem the water pressure drops below the 1 bar af... [Read more]

Vokera maxim 30 e?

I have a problem with my combo boiler. Central heating works but when I ask for demand on hot water it trips o... [Read more]

Vokera maxim 30 e?

I have a problem with my combo boiler. Central heating works but when I ask for demand on hot water it trips o... [Read more]

Sime Super 90 MkII fails to ignite 'sometimes'?

My boiler 'sometimes' fails to ignite. I have my boiler on timer early morning / late evening and notice somet... [Read more]

Saunier Duval F28 E2 problem?

Hi I have a Saunier Duval Isomax F28 E2 boiler which contains a water tank that holds approx 45 litres of ... [Read more]

Worcester Bosch Highflow 400 BF boiler problem?

Hi, my boiler produces hot water on demand OK but refuses to turn off the central heating. Even with both heat... [Read more]

Lock out problem with vaillant turbomax plus?

My turbomax plus 828e locks out under the following circumstances.1 If I draw hot water when the boiler is co... [Read more]

Worcester 280 RSF burner will not ignite?

hot water and heating calls for demand. Pilot light ignites - burner does not ignite. i have changed the ingit... [Read more]