Belling GAS B Service Manual page 85

7
DISCONNECT THE BUNDY TUBES
AND THERMOCOUPLES FROM THE
THERMOSTATS
REMOVE THE 4 SCREWS FROM THE
INNER FACIA TO RELEASE THE
COMPLETE GAS RAIL
RELEASING THE GAS RAIL FRON THE
BRACKET AT THE REAR
ACCESS TO THE 2 SECURING SCREWS
CAN NOW BE OBTAINED
WHEN REPLACING ALWAYS ENSURE
THAT A NEW SEALING WASHER IS
FITTED