HOW TO SPOT A LEAK
Yellow or brown staining around, or on appliances
Pilot lights that frequently blow out
Increased condensation inside windows
Yellow rather than blue flame (apart from flueless fires) If you think your appliance is spilling CO...
Switch off the appliance and do not re-use until remedial action has been taken
Open all doors and windows to ventilate the room – do not sleep in it
Visit your GP urgently and tell them that you believe your symptoms may be related to CO poisoning and request either a blood and/or breath sample
Contact a CORGI registered installer to make repairs and to make safety checks on appliances every 12 months.