Carrier 58DLA Installation, Start-Up, Operating And Service And Maintenance Instructions page 43

Table 14 – Orifice Size* And Manifold Pressure (In. W.C.) For Gas Input Rate
(Tabulated Data Based On 21,000 Btuh Per Burner, Derated 4 Percent For Each 1000 Ft. (305 M) Above Sea Level)
A10179
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