88 Green indicator is hidden ✓ ✗ ‘L’ shaped mark falls within the notch ✓ ✗ Installation in 4 easy steps Mark the insertion ‘T’ or ‘L’ standard line with the marking gauge and marker pen at the proper position of each pipe size. 1 Mark the insertion line 1. Insert firmly by hand until the pipe stops. 2. Make sure that the insertion standard line is no longer visible. 2 Insert the pipe 1. Hold the main body and tighten the nut by hand 2. Hold the main body and tighten the nut with a monkey wrench, until the green indicator disappears and the nut comes into contact with the flat face of the body. 3 Tighten the nut 1. Green indicator should be hidden. 2. Place the marking gauge on the end face of the nut and make sure that the ‘T’ or ‘L’ shaped mark falls completely within the notch in the marking gauge. 4 Check ✗ ✓ View our installation video! Tightfit joint Tightfit Refnet
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