Thermo Pride CDX1-100N Installation And Operation Manual page 26

All installations and services must be performed by qualified service personnel.
I. CONDENSATE DRAIN LINE AND TRAP ASSEMBLY
1. The following diagrams show the typical drain and trap connection for a CHX1 and CDX1 furnace.
Figure 14. TRAP ASSEMBLY MOUNTED ON CHX1
Figure 15. TRAP ASSEMBLY MOUNTED ON CDX1
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