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/ EFM-PK 400 Series-0.50 GPH Water boiler
EFM-PK 400 Series-0.50 GPH Water boiler
The EFM PK 400 Series 0.50 GPH is a Water type boiler. It uses Oil as a fuel. It has a AFUE Rating of 85.1 percent. AFUE or annual fuel utilization efficiency (pronounced 'A'-'Few') is a thermal efficiency measure of combustion equipment including furnaces, boilers, and water heaters.
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