Service Manual
Models:
502, 752, 1002, 1302,
1501, 1701, and 2001
Up To 5:1 Turndown
This manual must only be used
WARNING
by a qualified heating installer /
service technician. Read all
instructions,
including
this
manual
and
the
Power-fin
Installation
and
Operation
Manual,
before
installing.
Perform steps in the order given.
Failure to comply could result in
severe personal injury, death, or
substantial property damage.
Save this manual for future reference.
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