Lochinvar Knight XL KBX0400N Installation & Operation Manual

100329949_2000586636_Rev F
Installation & Operation Manual
Models: 400 - 1000
Series 100 & 101
⚠ WARNING
This manual must only be used
by a qualified heating installer
/ service technician. Read all
instructions,
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.
Save this manual for future reference.
including this