Gas-Fired Pool
and Spa Heater
Catalog No. 6000.59AH
Eective: 12-16-19
Replaces: 11-15-19
P/N 241236 Rev. 35
INSTALLATION AND
OPERATION MANUAL
Brass ASME and Polymer
Atmospheric Heat Exchanger Models
206A, 266, 266A, 336A, 399, and 406A
This manual should be maintained in legible condition and kept adjacent to the heater or in a safe place for future
reference.
AA
WARNING: If the information in the instructions is not followed exactly, a re or explosion may result
causing property damage, personal injury or death.
- Do not store or use gasoline or other flammable vapors and liquids or other combustible 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.
6000.59AH_Atmospheric.indd 1 12/17/2019 2:12:45 PM
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