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Recent content by mbsell

  1. mbsell

    GPM effect on BTU

    Hello Members. Does anyone have a formula that I can use to calculate BTU at varying GPM's? For example: A piece of heating equipment generates 90,000 Btu @ 9.0 gpm of hot water (Based on 200 EWT, 180 LWT, 60 EAT). What would the BTU output be at 5.0 GPM? Thank you for your help. MB

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