Installation in a garden wall using 4"H x 8"W x 12"L garden stones is easy because the
Spillway is also 4" tall. Simply remove the necessary number of wall stones (one, two or
three) from the top course of the garden wall and replace them with the Spillway. The
Spillway should be positioned so that the front of the body is even with the front of the wall,
leaving lip projecting 41/2". Cut 4" x 4" x 12" filler blocks to complete the wall course if needed
to fill the area behind the Spillway, leaving a 21/2" wide opening in the center to connect the
supply line. The Spillway is load bearing (80 lbs. per linear foot max) so caps can be placed
on top of the Spillway to complete the installation.
Caution: Be sure to leave access
to the Spillway in case future
maintenance is required. Do not
glue or permanently mortar the
cap stones that are placed directly
and support wall caps
over the Spillway.
Plumbing the Spillway
Spillways have a 1½" female threaded inlet
located at the center-back of the unit.
Connect the plumbing using a 1½" male
threaded fitting (not included) of your choice.
Apply thread sealant or silicone to the threads
of the male fitting. Thread the fitting into the
inlet by hand until tight and finish off with a
half turn from a wrench. Connect the plumbing
line from the pump to the Spillway. Minimum
1½" I.D tubing is required for optimum water
flow. When plumbing multiple Spillways off
of one pump, run a main feed line along the
back of the wall, teeing up to the individual
Spillway. If installing multiple units, it is best
to install a ball valve in each line feeding the
Spillway to provide more control over the flow.
When running more than one Spillway, the
main feed line should be increased to at least 2".
If you are installing the Spillway in conjunction with an Atlantic CFBASINKIT, please refer to
the installation/ plumbing instructions included with the Basin Kit for additional information.
Maintenance
Atlantic Spillways are one piece, closed units with internal baffling to diffuse the
water flow. If large debris entering the Spillway becomes lodged, it will be difficult to
remove. For this reason, take great care to ensure that large debris in the water is filtered
out before reaching the Spillway. Atlantic Spillways will not corrode when used in fresh
water, however periodic cleaning may be required depending on water conditions. Brushed
stainless steel finishes can be cleaned using 3M stainless steel cleaner (available at any
home center) and a soft cloth. Copper Finished Spillways can be cleaned with any
non-abrasive cleaner and a soft cloth. 316 Spillways used in swimming pool installations
should be rinsed regularly with fresh water to remove accumulated chlorine deposits. See
Introduction for more details.
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