STOVES ST RICH DX S900DF User Manual page 63

CONNECT TO THE ELECTRICITY OR GAS SUPPLY
Under no circumstances should the flexible connector be allowed to come into contact with the vertical
oven flue tubes on the rear of the appliance.
Use a 900mm - 1125mm length of flexible connector.
Ensure that all pipework is of the correct rating for both size and temperature.
Flexible connections should comply with BS 669. Parts of the appliance likely to come into contact with
a flexible connector have a temperature rise of less than 70°C.
After installation, make sure all connections are gas sound.