Installation & Operation Manual
Models: 400 - 1000
Series 100 & 101
is manual must only be used
by a qualied heating installer
/ service technician. Read all
instructions, including this
manual and the Knight XL
Service 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.
100329949_2000586636_Rev F
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