How do I know the correct insertion depth when pushing the RLS fitting onto the copper tube?

Use the depth gauge provided or the Minimum Insertion Depth guidelines below to determine the correct insertion depth. Mark the tubing with a permanent marker to indicate proper insertion depth on every tube.

Minimum Insertion Depth
1/4, 5/16, 3/8 Fittings = 1 in / 25.4 mm
1/2, 5/8, 3/4, 7/8, 1, 1-1/8 Fittings = 1-1/4 in / 31.8 mm
1-1/4, 1-3/8 Fittings = 1-1/2 in / 38.1 mm

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