Operating, Installation and Servicing Instructions for
Indirect fi red condensing pool & spa heaters
M2709D
Models: MB20S, MB35S, MB50S
Genie
WARNING: If the information in these instructions are not followed exactly, a fi re
or explosion may result causing property damage, personal injury or death.
Do not store or use gasoline or other fl ammable vapours and liquids in the vicinity of
this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbour's phone. Follow the gas sup-
plier's instructions.
Installation and service must be performed by a Gas Safe registered installer, service
agency or the gas supplier.
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