Mend > Home Heating Systems

Combi Boiler only heating water when the heating is on?

Our Fonderie Sime Combi Boiler will only heat the water when the heating is on. If it is off the boiler will ... [Read more]

question on wiring for a suprima 50?

i am changing a profile 50 for a suprima 50 the maual say to wire back to the pump from the boiler i presume t... [Read more]

My Combi Boiler wont ignite?

We have a B&Q White Star combi boiler and when we turn the heating on you hear the boiler kicks in but then th... [Read more]

sime super 90?

when i switch it on the fan starts up i can hear valves clicking and the ignition clicking but it doesent ligh... [Read more]

How do I increase the pressure on a combi boiler?

I have a Saunier Duval combi boiler model SD623 and the pressure has gone right down to zero, so that there is... [Read more]

ferroli falcon 2 combi boiler?

my hot water keeps going cold then hot then cold?ive been told its a heat sensor is this true and is it easy t... [Read more]

PUMA100E NO HOT WATER ..C/H OK?

THE HOT WATER IS ONLY LUKE WARM BUT IF I TURN CENTRAL HEATING ON,I CAN TRICKLE HOT WATER FROM THE TAP,ANY IDEA... [Read more]

Sime Friendly Boiler Clock does not work?

Sime Friendly Boiler Clock has stopped working - only ticks now and again very slowly and stops. Therefore I ... [Read more]

how can i fix my heating pump?

my heating is working fine all my raditors are heating up but my hot water is still cold even thought i have c... [Read more]

VULCAN CONTINENTAL BOILER - PILOT LIGHT KEEPS GOING OUT?

CAN LIGHT PILOT, BUT ONCE SYSTEM IS THEN UP AND RUNNING IT CUTS OUT AFTER ABOUT 10 MINS, WHAT IS THE LIKELY PR... [Read more]

Potterton Puma 80 c/h intermittently working until warmed up?

My boiler, Potterton Puma 80 (may be an 80e as no pilot light?) has been working fine for 5 years and now it t... [Read more]

Vaillant TurboMax + "F.28"?

Help! Boiler has gone to lock out (red Light on front panel) and shows fault code "F.28", What does this mean?... [Read more]

ariston euro combi A/23 mffi no hot water?

help no hot water. central heating is fine but i get no hot water from the tap. I use to get hot water by turn... [Read more]

How do I fix Sime Friendly Format 80?

Unit turns on and powers up for a second but then 'locks off' and then tries again. Pump seems to be working b... [Read more]

potterton puma 80e(pressure buildup)?

when central heating running the boiler pressure just keeps on rising until water is released from P.R.V. C.H.... [Read more]

I need a wiring diagram for a potterton ep 2002 heating controller?

How to wire the back plate

switchmaster mid valves?

how do i re wire the old switch master valve for a honeywell model. the old switchmaster valve has 6 wires and... [Read more]

what is the best way to get a air block out from a radiator?

RADIATORS HAVE AIR LOCKS IN WHAT IS THE BEST WAY TO SOLVE THIS

potterton puma 80 low pressure problems?

The low pressure light on my potterton puma 80 boiler has come on preventing the boiler from firing up. Usuall... [Read more]

Need a new timer box for Vulcan Continental l980 Central heating boioler?

We have a Vulcan Continental boiler - l980 and the timer controls are not working. Do you know where we can o... [Read more]