Lochinvar Wall Mount Boiler WH 55-399 - Manual (Page 80)

Revision A (ECO #C06854) initial release.
Revision B (ECO #C08222) reflects the changes to the water pipe
clearances from 1" to a 1/4" (ECR #R04077), pages 7, 8, and 33 and
changes made to the service clearances (left side) from 24" to 12" (ECR
R04002).
Revision C (ECO #C08645) reflects additional cleaning and inspection
instructions for the condensate trap (page 75).
Revision D (ECO #C09197) reflects additional information added to the
humidity warning on page 7, along with updates made to the SMART
SYSTEM control (ECR #R04523).
Revision E (ECO #C09803) reflects the addition of the new Polypropylene
Vent material section, rearranging the venting section, and the addition
of the AHRI and ASME logos (R05009).
Revision F (ECO #C09843) reflects the addition of the manual air vent in
the outlet tubing and the new condensate trap pipe (R04984).
Revision G (ECO C10297) reflects the addition of the venting notice on
page 16 and updates made to the ignition timing information.
Revision H (ECO C10450) reflects changes made to Table 10A on
page 62.
WH-I-O Rev H
05/12