How to mend ... Boiler Heating Ideas

have hot water but no c. heating on potterton netaheat mark II?

hot water works fine. When i switch c. heating on. Light on switch box comes on, but boiler does not fire up... [Read more]

Glow Work Micro?

Due to a leak I recently had to drain the central heating system. I tied the ballcock up, to drain the system... [Read more]

Why does the Hawk II Optima keep turning on central heating without request?

I have a Hawk II Optima combi boiler which is around 10yrs old. I've pushed the selector switch to the disable... [Read more]

h6w can i fix my saunier duval f23e boiler?

radiators keep getting hot when the hot water is in use even though heating is switched off at the main switch... [Read more]

Is my Fan faulty?

After having problems with my boiler not supplying any DHW or CH the last couple of days i am of the opinion i... [Read more]

Sime Format 100c Making tapping noise then the boiler cuts off?

My boiler has starting making a strange noise for central heating only? It was a loud tapping noise, i turn... [Read more]

Combi Boiler Problems?

When the heating is on the loop pressure rises and causes the boiler to shut down I have bled the system a... [Read more]

Low pressure warning light on Glow Worm Compact 100e?

Hello, I had a problem 2 years ago with my Glow worm Compact 100e, which would not switch from heating to hot ... [Read more]

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

Problem with Saunier duval SD 30e?

When i run water the boiler fires up but the L.E.D lockout light illuminates after about 5-10 seconds.The same... [Read more]

Vaillant VCW sine18 T3 WFH-hot water supply problem?

My boiler will not provide hot water at the tap unless it is running in heating mode when the tap is opened (p... [Read more]

Ideal ISAR HE30 Combi Boiler?

recently had new combi boiler installed with programable timer. despite the timer not being set to do so the c... [Read more]

Heatslave 15/19 boiler - keeps kicking in?

i All, We have a heatslave 15/19 which was fine until a couple of days ago. A guy came round from the water... [Read more]

my worcester 28i greenstar has no hot water?

my boiler hot water has stoped working but the heating is ok any ideas

Ravenheat CSI-85 Combi, erratic operation, any ideas?

Boiler now 2 years old. Works fine generally, however it has now started to operate even when the settings sa... [Read more]

How can I fix my modena 80 e ferroli boiler?

My central heating boiler is not working. I have switched the thermostat on and the boiler is not firing up. T... [Read more]

Why does my boiler not turn off?

Hi. I have a Potterton Ultra DV40 boiler and also a Megaflo unvented water heater. When the boiler is heating ... [Read more]

Baxi Bermuda boiler not igniting?

My Boiler won't ignite to either heat water for the taps or central heating. The pilot light is on. The thermo... [Read more]

Radiators Get Hot when taps are on?

We have a Halstead Quattro Gold boiler. When the hot taps are use the radiators get hot even though the centra... [Read more]

ferolli combi?

Hell of a vigrating noise through the pipes when heating kicks in. Switch off heating got no hot water. Switch... [Read more]