2
Rev. 36
reflects the following:
Changes to:
ASME Mark on page 1, Model Identification on page 5, Boiler Types on page 6, Tables B and C on page 7,
Table D on page 8, Tables E and F on page 9, Fig. 10 on page 11, Vent Piping on page 12, Fig. 14 on page 13, Vent Damper
Installation on page 14, Vent Damper Note on page 15, Gas Supply Connections on page 15, Table G on page 16, Table H
on page 17, Piping instructions on page 17, Fig. 22 on page 18, Fig. 23 on page 19, Electronic Ignition on page 20, Mode
H2 on page 23, WH Modes on page 23, Fig. 31 on page 23, Fig. 32 on page 24, Fig. 35 on page 24, Auto-Reset High Limit
on page 24, Low Water Cut-Off on page 25, Fig. 41 on page 28, Troubleshooting steps on page 35.
Additions:
Outdoor Air Reset Temperature Controller on pages 20-22 (includes Table I and Figs. 25-27), Fig. 37 on page 25
Deletions:
All references to Model 133 Type H (including previous Fig. 4 and Fig. 9), Standing Pilot Lighting Instructions
(was on page 26), Standing Pilot Checkout Procedure (was on page 28, including previous Fig. 40), Electrical diagram for
standing pilots (was on page 34).
