Crown Boiler BWF Series Installation Instructions Manual page 68

Appendix B (continued)
• Safe operation of this boiler depends upon the use of the correct burner orifice AND pressure switch for
the altitude at which the boiler is to be installed. See Table B.1 for the correct configuration. Failure to
properly configure this boiler for the installation altitude could cause personal injury or death due to carbon
monoxide (CO) poisoning.
• Orifice for this boiler cannot be drilled in the field. Obtain orifice for the proper altitude from the local boiler
distributor. Part Numbers for the correct size and style orifice are shown in Table B.1.
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Figure B.2: Air Intake Terminal (Installed on Air Intake Collar)
!
WARNING
109836-01 - 04/20