A suspected gas leak may be indicated by SMELL, FROST ON THE PIPE, MISTING OF AIR AROUND LEAKAGE POINT

• Extinguish all naked flames and ignition sources.
• Turn off all gas appliances.
• Do not switch on or off any electrical equipment.
• Turn off the gas supply at the tank service valve.
• If the leak is indoors, turn off the gas at the emergency control valve outside the building, open doors and windows to increase ventilation.

NOTE: If it is established that the source of the leak is beyond the customer emergency control valve (inside the premises) having made safe by following the above instructions, contact your local heating engineer to carry out necessary repairs.