Lochinvar KNIGHT 399 - Manual (Page 44)

Revision Notes: Revision B (ECO #C02407) reflects air pressure
switch changes, changes made to the Circulation Pumps Section (page
22) and removal of references to the pocket pc.
Revision C (ECO #C02545) reflects the addition of references to
periodic cleaning of screens in vent terminations and safety shutoff
testing and instructions.
Revision D (ECO #C02738) reflects the addition of the Gas Valve
Adjustment Procedure for a 399 model on page 41.
Revision E (ECO #C02918) reflects the addition of Tank Sensor Open
on page 36 along with updating the condensate trap image on page 24.
Revision F (ECO #C05457) reflects changes made to page 8 for the
LWCO (C04031), update the HEX cleaning procedure to reflect the new
HEX cleaning kit (#R02634), and updates to the ceramic fiber warning.
.
KBX-SER Rev F
4/10