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Note 1:
Combustible floor shield is required when heater is to
be installed on a combustible surface. (See ordering
info. on pg.5.)

Note 2:
Servicing Clearances: Provide at least 24" (Models
0133-1826), 48" (Models 2100-4001) in front of unit for
removal & servicing of the Controls & Burner Tray.
Provide at least 18" on side opposite water connec-
tions for deliming of Heat Exchanger Tubes.

*Vent includes factory supplied drafthoods and does
not include field supplied vent systems above the
drafthood.  On Models  2100-4001 drafthood is built
into heater.

INSTALLATION CLEARANCES
(All Dimensions Are In Inches)

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