Install Instructions

Revision Notes: Revision A (ECO #C06290) initial
release.
Revision B (ECO C09691) reflects the update of AHRI/
ASME logos on pages 5 and 6.
Revision C (ECO C12077) reflects the update of ignition
timing information on page 44 and heat exchanger
information on page 51.
Revision D (ECO #C13191) reflects the addition of the
CSA Low Lead Content logo on page 6.
Revision E (ECO #C14226) reflects the addition of
cautionary statements and notes on page 17 beneath the
“Vent Materials” table.
Revision F (ECO C16918) reflects the update of the
ratings tables on pages 5 and 6 and the update of Table
3E on page 20 (R07763).
Revision G (PCP #3000006582 / CN #500006680)
reflects the addition of new venting information on pages
18 and 19.
Revision H (PCP #3000021634 / CN #500011858)
reflects changes made to water chemistry information on
pages 4, 28-34, 47-48, 50, 52-55, 58, and 60.
Revision J (PCP #3000030852 / CN #500020656) reflects
the addition of the notice on page 51 and an update to
Table 8A and all piping diagrams.
Revision K (PCP #3000033832 / CN #500022615)
reflects the input and gross rates and output rates are
revised to match AHRI rounding and comply with Energy
Star turndown rate requirements.
Revision L (PCP #3000043534 / CN #500031265)
reflects the addition of the two notices at the end of page
17.
Revision M (PCP #3000045219 / CN #500032730)
reflects an update to FIG. 2-7 and Table 2C.
CFA-I-S_100160907_2000001336_Rev M
04/21