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PARASKIM V VENTURI STYLE PLUMBING

Skimmer bottom is PVC plastic. Suction outlet connections are 2" slip. The venturi inlet feed connection is 
1½" slip. For slip connections, apply PVC primer to both PVC pipe and socket connections. Then apply 
PVC solvent cement to both pipe and socket connections. Consult solvent cement manufacturer for correct 
solvent cement for pipe used. Assemble joint per cement manufacturer’s instructions. Allow at least three 
(3) hours before pressure testing.
 
PLUMBING: Venturi Style, Fig. 2
1. Set the venturi skimmer level as you 

would install a conventional skimmer. 
The skimmer face must be set a 
minimum 2" back from the interior of the 
concrete shell.

2. Optional SUCTION LINE – If used the 

bottom suction line from the skimmer to 
the pump inlet must be plumbed with 2" 
Schedule 40 PVC. Plug the external 2" 
port of the unused 2nd bottom 2" suction 
line. If unused plug both bottom 2" ports. 

3. RETURN VENTURI LINE - Water 

is directed to the venturi nozzle in the 
skimmer by installing a 1½" schedule 
40 PVC valve controlled line from the 
return manifold to the bottom 1½" port 
of the skimmer. This valve is set during 
normal operation of the skimmer to use 
about 8-10 GPM through the Dual-
venturi nozzle. 

 

NOTICE

Pool/Spa Installation
Be sure to plumb the venturi line control 
valve on the pool return line side of a 
pool/spa installation. Failure to do so will 
cause the spa to drain.

 

NOTICE

Pool only installation. 
Always plumb the venturi line control 
valve immediately after the filter unless 
there is an Ultra UV2 on the system. 
The venturi line control valve must be 
plumbed after the Ultra UV2, which is 
plumbed after the filter.

4. VENTURI POOL RETURN - Glue 

an 18" length of 2" Schedule 40 PVC 
into the side front discharge port of the 
skimmer and cap the end to prevent 
gunite from entering. Do not reduce 
the venturi pool return line.

TO POOL

2" MIN.

GUNITE

VENTURI PRESSURE

PUMP SUCTION

PLUG OR OPTIONAL

STAND PIPE

Fig. 2 
Venturi style

NOTICE

If a DE Filter is used on this system, 
the venturi pressure line valve must be 
closed while charging the filter with 
DE through the venturi skimmer and 
a suction line must be run to the filter 
pump. Failure to close this valve will 
result in DE being blow out into the pool.

Summary of Contents for Paraskim

Page 1: ...CRETE POOLS OWNER S MANUAL AND INSTALLATION GUIDE WARNING Paraskim and Paraskim V must be installed in accordance with Paramount s written instruction manual and in conformity with applicable Federal...

Page 2: ...and spa pumps produce high levels of suction and move high volumes of water which can cause death or serious injury if a person comes in close proximity to pool or spa drains Keep clear of pool and s...

Page 3: ...when designing and installing a proper filtration system Properly bond grounded pumps time clocks switches and any other metal in or near water This is required to address Electrical Shock Hazards De...

Page 4: ...long pipe runs in which friction can reduce flow and pressure refer to a friction flow chart for proper pipe sizes 5 When planning location of skimmers on one and two skimmer outdoor pools locate skim...

Page 5: ...r 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 failur...

Page 6: ...PVC valve controlled line from the return manifold to the bottom 1 port of the skimmer This valve is set during normal operation of the skimmer to use about 8 10 GPM through the Dual venturi nozzle N...

Page 7: ...page 18 1 The side port on the skimmer will need to be drilled with a 5 8 bit and the tube adapter fitting installed in the end of the pipe before it is connected to the skimmer socket Fig 4 2 Plumb a...

Page 8: ...PVC and cap the end to prevent gunite from entering An optional float valve assembly will be needed for this option Float valve purchased separately Install an equalizer fitting that conforms to ANSI...

Page 9: ...e 2 skimmer venturi return line Fig 9 2 Before plastering or applying the finish to the pool cut the 2 return line 3 behind the gunite surface and glue the return guard fitting to the 2 pipe so it wil...

Page 10: ...or hack saw blade the extra deck ring slats that protrude down and block the skimmer throat The throat should be completely open when the deck ring is set at desired deck thickness Fig 11 GUNITE VENTU...

Page 11: ...ell OPTIONAL The skimmer may be set after the concrete shell is shot Notch the concrete at the top of the pool wall where skimmer is to be set and cut a 8 diameter hole for the venturi return guard to...

Page 12: ...mount return guard FAILURE TO INSTALL THE RETURN GUARD FITTING AND RETURN GUARD COVER CAN RESULT IN SERIOUS INJURY OR DEATH WARNING 3 After the interior finish is applied attach the return guard cove...

Page 13: ...tom port in the event that winterizing is necessary NOTICE 3 The venturi skimmer may be operated simultaneously with the normal skimmer functioning or the suction from the pump may be shut off or not...

Page 14: ...n at this time allowing water to flow to the pump from the equalizer line After the pump has been turned off and the water level is raised to the appropriate level for good skimming action the equaliz...

Page 15: ...equipment Different methods are used depending on regional conditions It is the pool operator s responsibility to ensure all components of the pool and pool equipment are protected from the most sever...

Page 16: ...l water level to recommended height 2 Check ozone meter valve setting With ozone return some air expected TROUBLESHOOTING 11 Pour some antifreeze down the pipe and into the skimmer for added freeze pr...

Page 17: ...52 4570 XX Deck lid 4 005 702 6000 XX Notched deck ring 5 005 152 2207 00 Basket 6 005 702 9100 00 Trimmer plate assembly 7 004 152 4517 00 Mesh bag 600 Micron 8 004 252 4745 00 Optional 2 winterizing...

Page 18: ...ction feed tubing kit 9 005 702 9205 XX Return guard assembly standard 10 004 152 4517 00 Mesh bag 600 Micron 11 004 552 5452 00 Optional small Nozzle Tool 12 005 702 9210 XX Optional return guard ass...

Page 19: ...M V WITH VENTURI SHOWN WITHOUT BASKET DUAL PRESSURE VENTURI NOZZLE TOP OF BEAM TOP OF BEAM WEIR DOOR RETURN GUARD WEIR DOOR OPTIONAL OZONE INJECTION FEED TUBE DUAL PRESSURE VENTURI NOZZLE BASKET BASKE...

Page 20: ...20...

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