Efficiently running systems will maintain a feedwater temperature above 180 °F . This maximizes the amount of condensate that is returned and combined with the colder makeup water, resulting in a pre-heated inflow to the boiler. Feedwater below 180°F can lead to excessive usage of the chemical oxygen scavenger, thermal shock to boiler components, and corrosion of feedwater, boiler, and condensate components. Raising the feedwater temperatur

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