Hayward Pools S166T User Manual
Your Hayward S166T high-rate sand filter is a high
performance, totally corrosion-proof filter that blends
superior flow characteristics and features with ease of
operation. It represents the very latest in high-rate sand
filter technology. It is virtually foolproof in design and
operation and when installed, operated and maintained
according to instructions, your filter will produce clear,
sparkling water with only the least attention and care.
HOW IT WORKS
Your filter uses special filter sand to remove dirt particles
from pool water. The sand is loaded into the filter tank
and functions as the permanent dirt removing media.
The pool water, which contains suspended dirt particles,
is pumped through your piping system and is
automatically directed by the patented filter control
valve to the top of the filter tank. As the pool water is
pumped through the filter sand, dirt particles are
trapped by the sand bed, and filtered out. The cleaned
pool water is returned from the bottom of the filter tank,
through the control valve and back to the pool through
the piping system. This entire sequence is continuous
and automatic and provides for total recirculation of pool
water through your filter and piping system.
After a period of time, the accumulated dirt in the filter
causes a resistance to flow, and the flow diminishes. This
means it is time to clean (backwash) your filter. With the
control valve in the backwash position, the water flow is
automatically reversed through the filter so that it is
directed to the bottom of the tank, up through the sand,
flushing the previously trapped dirt and debris out the
waste line. Once the filter is backwashed (cleaned) of
dirt, the control valve is manually resequenced to Rinse,
and then Filter, to resume normal filtering.
INSTALLATION
Only simple tools (screwdriver and wrenches), plus pipe
sealant for plastic adapters, are required to install and/or
service filter.
The filter should be placed on a level concrete slab,
very firm ground, or equivalent as recommended by
your pool dealer. Position the filter so that the piping
connections, control valve and winter drain are
convenient and accessible for operation, servicing
and winterizing.
Your filter is supplied complete with an optional
pump mounting base which is pre-drilled for use with
Hayward Power-Flo LX series pumps. The pump to
filter connecting hoses supplied will accommodate
Power-Flo LX pumps used with the mounting base,
and Max-Flo or Super Pump installed at surface
level. To connect pump to filter:
Screw straight adapter, using Teflon pipe sealant
tape or Permatex No. 2, securely into pump
discharge. (Do not overtighten.)
Screw elbow adapter, using Teflon pipe sealant
tape or Permatex No. 2, securely into opening in
control valve marked PUMP. (Do not overtighten.)
Elbow should point just over RETURN opening.
1.
2.
a.
b.
IS166TN2-00
PUMP MOUNTING
BASE (S164C)
33”
(84 cm)
SPECIFICATIONS
MODEL
NUMBER
EFFECTIVE
FILTRATION AREA
DESIGN
FLOW RATE
MAXIMUM WORKING
PRESSURE
REQUIRED CLEARANCE MEDIA REQUIRED
FT
2
1.4
S166T
M
2
0.13
GPM
35
LPM
133
PSI
50
BAR
3.45
INCH
18
INCH
18
MM
457
MM
457
FILTER SAND*
0.45-0.55
LBS
100
KGS
45
ABOVE
SIDE TYPE AMOUNT
*Also known as No. 20 or No. 1/2 Silica Sand.
NOTE: ANSI/NSPI-4 Article V, standard for above-ground
and on-ground pools, advises that components such
as the filtration system, pumps and heater be
positioned so as to prevent their being used as a
means of access to the pool by young children.
PARTS
Model S166T
S166T1575XS
S166T1575XSN2
REF.
NO.
1
2
3
4
5
6
8
9
10
11
12
13
14*
15*
16*
17*
18**
19**
NO.
REQ’D.
1
1
1
1
1
1
1
10
1
1
1
1
2
1
1
2
1
1
1
PART NO.
SP071113
ECX27081
GMX600F
GMX600NS
SX202S
SX164DA
SX200Q
SX180G
SX180H
SX164B
SX164C
ECX1108A
SX160Z5
SPX1105Z4
ECX18028
SPX1091Z2
N2SABG
SX164DAN2KIT
DESCRIPTION
Vari-Flo Control Valve Assembly
Pressure Gauge
Valve/Tank O-Ring
Flange Clamp (Valve-Tank)
Sand Shield
Lateral Assembly with Center Pipe
Filter Tank with Skirt,
Complete Lateral Assembly
Lateral
Gasket
Drain Cap
Filter Support Stand (Skirt)
Pump Base
5/16” x 3/4” Mounting Screw Kit
1-1/2” Hose
1-1/2” Elbow Adapter
Hose Clamp
1-1/2” Straight Hose Adapter
Nature2Canister
Folding Umbrella Lateral Assembly
w/Center Pipe for Nature
2
Canister
*Furnished with PAK or System only.
**Included only on filters supplied with SwimPure Canister
SX164AA17
SwimPure Option
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