5
GENERAL INSTALLATION INSTRUCTIONS
Paraskim™ Venturi Skimmer (Gunite/Concrete) Installation (For skimmer dimensions, see page 19)
NOTICE: When the skimmer is formed into the concrete shell of the pool it MUST be surrounded
by at least 4" of structural concrete in a monolithic pour, using a cold joint as shown in installation
drawings
(Fig. 1).
CAUTION: Plastic solvent cements and primers can be flammable, poisonous, or both. Closely follow
solvent cement manufacturer’s instructions when using solvent cement.
CAUTION: In residential installations where equalizers are not required and where the main drain lines
do not connect to the skimmer equalizer port, low water levels in the pool, spa, or hot tub or clogged
skimmer baskets may damage the pump due to loss of prime (if skimmer pulls air) or cavitation (if
skimmer clogs). Air pulled in by skimmer(s) can be trapped in filter tanks, which may be a safety hazard.
If skimmer regularly vortexes or sucks air, raise water level or contact your pool service representative
for advice.
1. For optimum skimmer functionality, the skimmer should be placed relative to the prevailing wind and
water flow direction.
2. Assemble piping and pipe fittings to skimmer. All piping must conform to current local and state
plumbing and sanitary codes.
3. Long pipe runs and elbows restrict water flow. For best efficiency, use the fewest possible fitting
and 2" pipe for 2" skimmers). Using sweep 90˚ fittings or two 45˚ fittings in place of a single 90 is
more efficient.
4. For pressure testing seal off any used ports.
Over tightening the threaded plugs may result in failure of the plug or the
skimmer body and will not be covered under the terms of the Limited Warranty.
DO NOT use tapered metal plugs as this will void manufacturer’s warranty.
DO NOT use “Rector Seal” or other thread paste intended for gas pipe installations as this will attack the
plastic and cause failure of the skimmer body and will not be covered under the terms of the Limited Warranty.
NOTICE
5. Support skimmer securely in position. Unused ports may be used to install a standpipe for the
skimmer to rest on or skimmer may be tied to steel cage. The deck ring collar has a friction fit that
allows 3½" of vertical adjustment. Additional
collars may be stacked upon each other to
accommodate desk height as needed.
6. Ensure piping is adequately supported on
undisturbed earth. If additional backfilled and
tamping is necessary, do not stress pipe or
skimmer port by lifting or moving pipe after
skimmer port connections have been made.
7. Structural gunite/concrete should be applied
in a monolithic pour, in conjunction with a cold
joint as shown in Fig. 1.
8. Optional Overflow Line – Using a 1½" hole saw
drill out the overflow port at side top of skimmer
to install overflow line. Plumb with a 1½" or 2" (2"
pipe requires coupler) properly sloped line so that
water flows away from the pool to desired point of
discharge.
4"
COLD JOINT
TILE
TILE
18"
11"
REBAR CAGE
OVERFLOW
PORT
Fig. 1
Steel detail
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