Riello BOLLITORE 120 Lt Instructions Pour L'utilisateur page 51

− make sure that the interception devices of the water cir-
cuit are closed.
To empty the primary circuit (coil):
− connect a plastic hose to hose connector of the discharge
tap (1) and open the tap
− to help the water come out open the manual vent valve
1
To drain the secondary circuit (domestic hot water)
− connect a plastic hose to hose connector of the discharge
tap (2) and open the tap
2
− to help the water come out open a user's tap.
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