ROBUST-AIRE DIFFUSER ASSEMBLY MANUAL
4
ASSEMBLY INSTRUCTIONS
Though these parts for both 3/8” and
5/8” SureSink™ Tubing are included, you
will need only one size, depending on
your installation.
5/8" hose clamp
3/8" hose clamp
3/8" barb fitting
5/8" barb fitting
1. After unpacking your box, the tubing assembly tee's open end will be turned towards the center of the
loop. Twist the tee fitting so the open end faces away from the center of the tubing loop.
Tighten until snug, making sure the blue lines on both aeration tubing assemblies face the same
direction and are parallel with the inlet check valve assembly.
Tighten a barb fitting into the check valve assembly. The barb fitting size depends on the SureSink™
Tubing size. Use an adjustable wrench to tighten the barb fitting to the inlet check valve assembly.
2. Assemble both tubing assemblies to the inlet check valve assembly.
3
4
Item Description
3
5/8” barb fitting
4
3/8” barb fitting
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