is manual must only be used by a quali ed heating installer/service technician. Read all instructions, including this manual and all other
information shipped with the boiler, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury,
death or substantial property damage.
DO NOT operate the boiler during construction unless combustion air is piped to the boiler air inlet from a dust-free and contaminant-
free area. e boiler can be severely damaged by drywall dust or other combustion air contaminants.
s)NSTALLATION
s3TARTUP
s-AINTENANCE
s0ARTS
Boiler Manual
Part number 550-100-250/0819
Series 1
Models 1500 - 3000
Commercial Condensing
'as-Į red ǁaƚer ďoilers
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