Installation & Service
Manual
Models: SNR150-100, SNR200-100,
SNA285-125, SNA400-125, AND
SNA500-125
This manual must only be used by a
qualified heating installer / service
technician. Read all instructions in this
manual before installing. Perform steps
in the order given. Failure to comply
could result in severe personal injury,
death, or substantial property damage.
WARNING
Save this manual for future reference.
-- Do not store or use gasoline or other flammable vapors 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 near by 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.
WARNING: If the information in these instructions is not
followed exactly, a fire or explosion may result causing property
damage, personal injury or death.
SWH-I-S Rev D
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