How to mend Boiler Heating Hot Demand

Siemens RDH 10 RF Thermostat not triggering heating?

I have Siemens RDH 10 RF Thermostat and a Worcester Bosch Greenstar 30CDi combi boiler. The battery in the th... [Read more]

4

Baxi 105e?

I have a Baxi 105e boiler, it has started to heat the radiators when the hot water tap is run. I've replaced t... [Read more]

Baxi 105e?

I have a Baxi 105e boiler, it has started to heat the radiators when the hot water tap is run. I've replaced t... [Read more]

2

Glowworm cx30i gas boiler?

My boiler comes on intermittently when the thermostat is turned down below zero degrees. It is all running fi... [Read more]

2

Remaha boiler runs spuriously?

Remaha Avanta boiler runs for about one minute even though no hot water is being run and no demand for central... [Read more]

Remaha Avanta fires up spuriously when no demand for water or heat,?

Boiler fires up for about one minute when there is no demand for hot water or heating. Cold water is not runni... [Read more]

3

Sabre HE 3 second blinking green then flashing red when on?

Hello. My Sabre HE stopped working this morning after working fine. I have done lots of searches and tried t... [Read more]

Glow worm Flexicom SX18?

The water pressure keeps dropping after the boiler is demanded ie hot water and central heating, but is stead... [Read more]

1

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]

why is the red light on my sanuie dauval boiler comeing when no demand ?

why is my sanuie dauvel boiler red light flashing when no demand for hot water or central heating is being cal... [Read more]

Ferroli F30 fault?

Ferroli F30 in Heating and Hot Water mode runs for approx. 5 seconds then cuts out. The boiler doesn't display... [Read more]

1

My Vaillant VCW GB 280 H combi-boiler, pump keeps running ?

The pump on my Vaillant some times keeps running after the heating and hot water demand have switched off? Th... [Read more]

1

Boiler Vaillant 824e turbomax ?

central heating has stopped working. it was connected with wireless thermostat, intially i thought something i... [Read more]

4

Potterton perfoma 30HE?

Had new heat exchanger put in. When CH is switched on the boiler runs for a minute and cuts out, goes into mod... [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]

1

Halstead Ace Boiler, Power Light Flashing?

I have a halstead ace Boiler, When i demand hot water or heating i can hear the boiler fire up, then it stops ... [Read more]

1

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]

1

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]