How to mend ... Switching System Water

danfoss SET3E contlolled heating system ?

In my Danfoss SET3E heating controlled system I can't turn the water heater section OFF! The switch on the... [Read more]

Why does my boiler keep switching on and off?

The boiler is a Main HE condensing. The problem only occurs when Hot Water Only is selected. If run from stone... [Read more]

System will only operate in Central Heating and Hot Water?

Irrespective of switching to Hot Water only or Hot Water plus Central Heatinh the boiler will only function in... [Read more]

"Clicking" sound inside Ideal Classic boiler?

My boiler has started to make a clicking sound intermittently. It can run for hours without a noise, then the... [Read more]

Worcester Greenstar 24i junior: doesn't work!?

Hi I've just moved into a new property, the boiler is only about 2 years old; when I moved into this house th... [Read more]

saunierduval f23e boiler pressure needle rises to red marking 4bars?

I have a f23e sanier duval boiler.The pressure gauge rises to 4 when we put the heating on and then water star... [Read more]

Vaillant Turbomax 828 problem?

This is a strage one! I am not sure whether my diverter valve is on the way out or whether something else is c... [Read more]

ferroli f24 combi boiler keeps cutting out?

the hot water comes on then goes off with tap still running .pressure fine.heating system also switching on an... [Read more]

How Can I Fix A Potterton EP2002 Heating System?

My daughter has a Potterton EP2002 system with a Potterton Suprima 40L boiler and a MPE322 diverter valve. Th... [Read more]

Random hot water?

About 2 hours after the last cycle of the day my bolier comes on and heat the hot water. If I switch the boile... [Read more]

one raditor heating up on hot water side?

hi have a y plan system wich has a mid position diverter valve the problem is that the motor on the valve is s... [Read more]

Heating does not come on again after running hot water tap?

BAXI 105e Instant. Can only get heating to come ON after switching OFF at mains switch for approx 10mins & swi... [Read more]

sabre 25he?

keep loosing water pressure and system switching its self off

Vokera Linea 726 Low hot water flow with 2 taps open?

I have a Vokera Linea 726 combination boiler which has worked okay for around 3 years. Recently I have found ... [Read more]

Fauly Potterton EP200 Programmer?

Even though my programmer is at OFF and the room thermostat is LOW, my heating circuit is on at the same time ... [Read more]

Red Recieve light constantly flashing wireless Digistat RF2?

Hi, I have a Drayton Digistat RF2 wireless system that has worked OK for about two and half years, however ... [Read more]

How can I fix my Potterton Profile 40e boiler?

The hot water side of the central heating system works fine.But no heating,the hall thermostat works,when oper... [Read more]

Glow Worm Ultimate control unit fails to switch off pump?

I have a Glow Worm Ultimate Boiler which has a control unit with the following code ULT 100F(its about 10 year... [Read more]