Polaris MiniJet Installation
The Polaris MiniJet™ (FFMJ) is designed for mounting
vertically in a pool wall slightly above water level, or
horizontally in the pool deck, wall cap, planter, etc.
Preparing for Installation
Determine the mean water level of the pool and the vertical
center line of each MiniJet. If water covers the nozzle the
performance will be affected. Mounting it too high may
interfere with the coping.
Pressure testing is required. Screw the 3/8" plug provided
into the nozzle inlet of the MiniJet housing. This plug is
also used for winterizing so do
not discard.
Store the brass jet, the MiniJet cover plate, the 3/8" plug
and the four screws for pool start-up.
Prevent dirt and debris from entering the
plumbing lines.
Installing in a Concrete Beam
1. Layout the center lines of the MiniJet to
coordinate with the tile pattern.
2. Cut or block out a 6" x 6" notch through
the beam.
3. Attach the 1/2" feed pipe to the MiniJet. The pipe must
extend past the back of the beam.
4. Mud the MiniJet in place. Check level, plumb and
center lines during the setting process.
5. If the flange on the MiniJet hinders the placement, cut
it using a hacksaw or jigsaw. Leave at least 1/2" of
flange to serve as a water stop. (See Plumbing the
MiniJet)
Installing in a Deck
1. Attach the 1/2" feed pipe to the MiniJet.
2. Level and anchor the MiniJet.The MiniJet cover plate
can be left on if installation is at finished
deck level.
Plumbing the MiniJet
Water flow and pressure control the projection of the water.
As a rule, 4.4 GPM per nozzle will provide adequate water
flow. Refer to data below.
1. Determine the size of the manifold or plumbing loop
and return pipe required.
2. Use 1/2" PVC pipe to connect the MiniJet to the
manifold or plumbing loop. See plumbing
diagram below.
3. When the MiniJets are lined up to project water
streams of equal distance, cut the risers to equal
lengths. When the MiniJets are not set in lines parallel
to the pool edge, valve them separately.
4. Keep the 1/2" feed pipe short, and the manifold or
plumbing loop as close to the beam as possible. Avoid
undue stress on plumbing lines.
5. The manifold pipe should extend 5 ft. past the
last MiniJet.
6. Pressure test the MiniJet.
Pool Start-up
1. Clean the pool water.
2. Remove the threaded 3/8" plug from the MiniJet
housing. (Save plug for winterizing.) Run water
through the MiniJet plumbing to clear the lines.
3. Screw brass jets into threaded fittings. Adjust nozzle
alignment and plumbing valves until the desired
projection is reached.
4. Install MiniJet cover plate.
Winterizing
1. Drain all water from the MiniJet plumbing.
2. Screw the 3/8" plug provided into the nozzle inlet of
the MiniJet housing to protect the unit.
MiniJet Performance Data Chart
Height of
Jet Spray 3.3' 6.6' 9.8' 13.1'
Feet of Head 3.9' 7.9' 11.9' 16.0'
GPM 2.1 3.0 3.7 4.4
MiniJet Pipe Sizing
Max. Return Suction
MiniJets Pipe Size Pipe Size
8 1-1/2" 1-1/2"
12 2" 2"
16 2-1/2" 2-1/2"
26 3" 3"