Lochinvar KNIGHT 50 User Manual
Page 20
Revision Notes:
Revision B (ECO #C02545) reflects
changes made to the “Check Air Piping” section on page 6
along with the addition of references to periodic cleaning of
screens in vent terminations.
Revision C (ECO #C02940) reflects changing 0° to 32°F
under the Night Setback Times section on page 13.
Revision D (ECO #C05672) reflects the change from
automatic air vent to manual air vent. The chart on page 5
was updated and a new image of the air vent valve was
inserted on page 8 (FIG. 3).
WB-USER Rev D
5/10
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