Lochinvar 400 - Manual (Page 80)

Revision Notes: Revision A (ECO #C05747) initial release. Reflects
the new model numbers for the Knight XL upgrade.
Revision B (ECO #C06188) reflects changes made to FIG. 6-10 (ECR
#R03474) remove ghost pipe, changes made to FIG.’s 6-7, 6-9, and 6-
11 (R03563) change the direction of the arrows, and edits made to the
ladder and wiring diagrams (ECO #C06158).
Revision C (ECO #C06234) reflects changes made to the Service
Reminder feature.
KBXII-I-O Rev C
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