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| Introduction Nozzles
direct the flow from the pump into various spray patterns. They divide
themselves into level dependent and independent types as well as specialty
nozzles. Things to consider:
 | A rough rule of thumb is to have as much distance to
the edge of the pool as the spray height you desire. Your spray
height may be higher if you have wind controls or may need to be lower for
indoor applications. |
| Your pool may not be appropriate for a water level
dependent nozzle (see below). |
| The basic material is appropriate for fresh water
with modest chlorination. Ask for salt water materials. |
| Make sure the clear passage through the nozzle is
appropriate for your pump filter screening. |
| Nozzles are available in NPT (USA National Pipe
Thread) and BSPPT (British Standard Parallel Pipe Thread) these are
similar up to one inch but above this you may need an adapter or should
order with alternate threads. |
| Nozzles are available with swivel couplings for
non-plumb plumbing. |
| Nozzle pressure on data sheets is what is required
AT THE NOZZLE not at the pump. There will be pressure loss in your
plumbing. If you need assistance that is what we are here for! |
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| Level
Dependent Nozzles A level dependent nozzle typically
forces its spray through a thickness of water in the pool. In doing so
it produces a fuller, thicker pattern. The cascade nozzle shown is
classic pattern that many associate with the word fountain.
This is not without some drawbacks:
| Pool level is critical and requires an automatic
fill system. |
| Wave action will change the action of the nozzle.
This type of nozzle is better suited to larger open spaces or irregular
shape pools. Small geometric pools can form standing waves and
result in four to six inch waves resonating in the pool! |
| Level dependent nozzles (and some level independent
frothy nozzles with a venturi) require more pressure than a nozzle based
solely on smoothbore jets.
Greater pressure requires more horsepower and may push the pump into a
reduced flow portion of its operating curve |
Level dependent nozzles include cascades, bubblers,
geysers and most types of aerator nozzles. |
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| Level Independent Nozzles
A level independent nozzle has a closed shell all the way
from the threads to above the water line.
Level independent nozzles include smoothbore, cluster,
fan, frothy, 3-tier, finger, dome and most specialty nozzles. |
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| Specialty Nozzles We
have many unique nozzles, there include: orbiting nozzles like the bursting
star or dancing jewels, rotating nozzles, and laminar and laminar leaping
nozzles.
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