Carrier 58MEB Installation, Start-Up, And Operating Instructions Manual page 53

Table 13 – Model 58MEB Orifice Size and Manifold Pressure for Correct Input
For Use with 040 through 120 Size Furnaces Only
(Tabulated Data is Based on 20,000 Btuh per Burner, Derated 2% for Each 1000 Ft Above Sea Level) *
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