phone robinson wiley and ask for the (installation and servicing instructions for your model of fire) you will need the GC No (GAS COUNCIL NUMBER)off the plate inside or on the side of the fire. looks like this GC.No. 12 345 67.etc
the number i phoned was
R W 08717030585
instructions arrive 5 to 10 days later F/O/C
wirecutterman
March 2008