Blue Seal Pro Series User manual

MODEL BS 121PFG
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Congratulations on purchasing a Blue Seal®
Hydromatic Purification Pro-Series Filter System.
6026

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We are confident that you too will discover why
Blue Seal®products are unparalleled industry-wide.
Our decision to produce the finest quality filters has
allowed us to gain the respect of the entire pool
industry as the leader in pool filters.
Blue Seal® Hydromatic Pro-Series Filters have
been carefully designed to ensure a perfect fit on
all aboveground pools manufactured with the
standard square cutout or an optional widemouth
adapter.
Blue Seal®Hydromatic Pro-Series Filters
utilize a dacron polyester material in their
cartridge elements. This material is both
durable and very efficient. This element is
designed to give you years of service
with minimal maintenance. Once again
we thank you for choosing our premium
filters.

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PAIR SKIMMER GASKETS
JT 37435 (1)
GREY STANDARD FACEPLATE
BS 25453 (1)
GREY WEIR
BS 25623 (1)
GREY TOP COVER
BS 25763 (1)
VACUUM PLATE
BS 08370 (1)
VACUUM ELBOW
BS 74470 (1)
GREY SKIMMER BASKET
BS 26263 (1)
PRE-FILTER BAG
BS 26298 (1)
PAIR STAINLESS STEEL CLAMPS
BS 35815 (2)
GREY STAND OFF
BS 26484 (1)
GREY HOSE FITTING
BS 26646BLK (2)
GREY COMPLETE RETURN
BS 20133 (1)
TEFLON TAPE
BS 35858 (1)
12 PK SKIMMER SCREWS
BS 37575 (1)
GREY EYEBALL KIT
BS 27553 (1)
50 SQ. FT.
ELEMENT
BS 79103 (1)
SKIMMER
BODY
BS S121BD (1)
INSTRUCTION
MANUAL (1)

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If this is a new pool, fill pool per manufacturer’s instructions to 2” below the return
opening prior to installing your filter.
If this is an existing pool, drop water level to 2” below return opening before
proceeding to step 2.
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Line up skimmer gasket (JT 37435) with holes on the outside of the pool and line up
second skimmer gasket even with outside gasket (so holes line up) on inside of pool so
that there is one skimmer gasket against the liner on the inside and the second is against
the outside wall (see figures 1 & 2).
Line up skimmer plate (BS 25453) against the gasket on the inside of pool with all holes
matching up to those on the skimmer gasket (see figure 3).
Figure 1 - Lining up gasket on outside Figure 2 - Lining up gasket on inside
Figure 3 - Lining up skimmer plate

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Line up skimmer body with holes on
gasket from the outside of the pool
(see figure 4) and insert skimmer
screws through plate and into all
openings on skimmer body
(see figure 5).
Figure 4 - Lining up skimmer
body with gasket
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Using a phillips head screwdriver
turn each screw several turns in order
to ensure that all screws line up with
the holes in the skimmer body
(see figure 5).
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If all screws are lined up correctly in
step 5, you should now hand tighten
each screw until snug without over
tightening
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Once all screws are hand tight, the
skimmer plate should have 10 screws
and look as shown in figure 6.
Figure 5 - Tightening screws on
skimmer plate
Figure 6 - Skimmer plate with
screws installed

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Use Teflon tape (BS 35858) to cover
all threads on hose fitting (BS 26646BLK)
and screw hose fitting with threads
facing upwards into skimmer body
bottom opening (see figure 7).
Figure 8 - Cutting vinyl out of
opening
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Cut vinyl covering skimmer opening
with razor blade carefully as close as
possible to edges of skimmer opening
(see figures 8 & 9).
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Place element (BS 79103) into
skimmer body from outside of pool
with handle side up and place basket
(BS 26263) inside (fits on lip inside
skimmer body) (see figure 10).
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Install top cover (BS 25763) on round
opening on top of skimmer
(see figure 11).
Figure 9 - Final skimmer opening
Figure 7 - Applying teflion tape to
hose adaptor
Figure 11 - Installing
top cover, skimmer
fully installed
Top
Cover
Figure 10 - Install
element with
handles up

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Attach a 1-1/4” or 1-1/2” hose onto
fitting installed in step 8 and clamp into
place using one stainless steel clamp
(see figure 13). Attach the loose end of
the hose to fitting on intake of pump
(typically opening on front of pump)
and clamp into place (see figure 12).
If hose seems too snug to fit over hose
fitting place end of hose in hot water
for 5 minutes then install on fitting.
Figure 13 - Attaching hose to skimmer
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Install skimmer weir (BS 25623) into
skimmer from inside of pool by placing
tabs into notches on skimmer even with
faceplate (see figures 14 A and 14 B).
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Install skimmer standoff (BS 26484)
with curved side facing skimmer body
and with the tape side closest to
the ground. Remove backing of
double-sided tape and stick on top of
center lip of skimmer. The small end
should lean against the pool to prevent
buckling of pool wall (see figure 15).
Figure 15 - Standoff installed, lip of
standoff sits on lip of skimmer
Figure 14 B - View from inside pool
Figure 14 A - View from inside
of skimmer
Figure 12 -
Attaching hose
to pump

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Unscrew all pieces of return fitting so that you have six pieces separated into:
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Push liner against wall from the inside and make a small “X” in the center of the
return using a razor blade (see figures 1 & 2).
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Place one rubber gasket on the
return over the threads (see figure 3).
• 2 rubber gaskets
• 1 cork gasket
• 1 ball seat
• 1 locknut
• 1 return (circular ring with
threaded back)
Figure 1 - Liner against wall Figure 2 - Liner opening cut
Figure 3 - Inside gasket on return
Locking Ring Ball Seat
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Push return from inside of the pool
through the circle shaped opening that you
made small “X” in so that return sticks out
through the wall (see figure 4).
Figure 4 -Return pushed through wall

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Figure 5 - How to install rubber
& cork gasket outside
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Take the locknut (see figure 6) and screw
it onto the threads with the flat side facing
the pool (see figure 7).
Figure 6 - Locknut
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Figure 7 - Direction locknut
should face Figure 8 - Opening for ball
seat to be screwed into
Figure 9 - Completed return
inside pool
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Take hose fitting (BS 26646BLK) and cover threads with Teflon tape (see figure 10) and
screw into threaded opening on outside of return (see figure 11). Attach 1-1/4” or 1-1/2” filter
hose with clamp (BS 35815) and attach loose end to discharge of pump (typically top opening)
with final hose clamp.
Figure 10 - Teflon tape hose adaptor
Figure 11 - Return with outside return fitting
Place second rubber gasket over threads
so it is touching the outside part of the wall.
Place cork gasket on in the same fashion in
front of the rubber gasket (see figure 5).
Screw the ball seat (small round threaded piece) inside the threads of the return (see figure 8),
place eyeball inside and secure with locking ring.
NOTE: If you have an oval pool, it is suggested that you use 1” eyeball with blue directional.
To eliminate harmful back pressure from a strong pump, use 1” eyeball. See figure 9 for
completed return.

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Figure 1 - Vacuum Plate going onto Pre-Filter bag
When it is necessary to vacuum your pool, please follow the guidelines listed below in
order to ensure proper suction and successful vacuuming.
1. Make sure that you have a vacuum head with handle, telescopic pole and vacuum
hose that is at least 6’ longer than your pool (all sold separately).
NOTE: If your pool is 18’ round, your hose should be at least 24’ long
NOTE: If your pool is 12’ x 24’ oval, your hose should be at least 30’ long
2. You will need your Pre-Filter bag, vacuum plate and vacuum elbow to hook up
your vacuum.
3. Make sure that your Pre-Filter bag is empty and clean inside the skimmer body.
Using the Pre-Filter bag versus standard basket will allow skimmer to catch more
dirt and debris. The large capacity of debris the pre-filter can hold will prolong the
life of your Filter Element. More dirt and debris is caught in the large cap than in a
standard basket and it is easier to clean a Pre-Filter than a Filter.
4. Attach swivel cuff of vacuum hose onto vacuum head. Attach telescopic pole to
vacuum handle and place into bottom of pool.
5. Take the loose end of the hose and bring it to the return underneath the water level
with the filter running. The vacuum head will float up as air is forced from the hose.
Once the vacuum head has stopped moving and the air bubbles have stopped, all
the air is out. This procedure is called priming the hose.
6. Remove top cover of skimmer and place vacuum plate over the Pre-Filter bag with
holes aligned over plastic tabs.