Gas-Fired Pool
and Spa Heater
Catalog No. 6000.64B Effective: 07-15-18
Replaces: 11-15-17
P/N 241452 Rev. 3
TM
INSTALLATION AND
OPERATION MANUAL
Atmospheric Models 268 and 408
This manual should be maintained in legible condition and kept adjacent to the heater or in a safe place for future
reference.
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WARNING:
If these instructions are not followed exactly, a fire or explosion may result causing property
damage, personal injury or death.
FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and liquids or other com-
bustible materials in the vicinity of this or any other appliance. To do so may result in an explosion or
fire.
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 neighbor’s phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service agency or the gas supplier.
