Replacement Shaft Seal Types
Good
- Buna/Graphitic Plastic
- Industry standard for general pool applications
- Includes PS-100, 200, 201, 501, 601, 1000 and 2131
- These seals are NOT RECOMMENDED for spas, ozonators or salt chlorine generators
Better
- Ozone/Salt Service Seals
- Viton/Carbon Graphite
- Use for applications involving salt chlorine generators or ozonators
- These applications require tough seals
Best
- SCS Silicon Carbide Seals
- Silicon Carbide, Viton & Stainless Steel
- For your most demanding applications
- Superior abrasion, corrosion and chemical resistance
- Best choice for salt generators or ozonators
- More forgiving when pump is run dry or accidentally loses prime
- Compatible with all pool & spa chemicals
- The best seal on the market! Upgrade your customers and provide them with peace of mind!
| Configuration | Shaft Size | Common Equivalent | Good # | Good U.S Seal# | Better # | Better U.S. Seal # | Best # | Best U.S. Seal # |
|---|---|---|---|---|---|---|---|---|
| Ceramic In Volute | ||||||||
 |
5/8" | PS-100 | 35-423-1000 | PS-100 | 35-423-1005 | PS-3866 | 35-423-1002 | PS-1900 |
| 5/8" | PS-200 | 35-423-1020 | PS-200 | 35-423-1019 | PS-3867 | 35-423-1022 | PS-1901 | |
| 5/8" | PS-501 | 35-423-1040 | PS-501 | 35-423-1043 | PS-3864 | 35-423-1041 | PS-1903 | |
| 5/8" | PS-3890 | 35-423-1088 | PS-3890 | 35-423-1089 | PS-1907 | |||
| 3/4" | PS-201 | 35-423-1021 | PS-201 | 35-423-1025 | PS-3868 | 35-423-1023 | PS-1902 | |
| 3/4" | PS-851 | 35-423-1042 | PS-851 | 35-423-1096 | PS-201V-CMS | 35-423-1090 | PS-1908 | |
| 7/8" | PS-309 | 35-423-1039 | PS-309 | |||||
| 1" | PS-360 | 35-423-1092 | PS-360 | 35-423-1094 | PS-3874 | 35-423-1093 | PS-1909 | |
| Ceramic In Impeller | ||||||||
 |
3/8" | PS-671 | 35-423-1062 | PS-671 | ||||
| 1/2" | PS-142 | 35-423-1052 | PS-142 | |||||
| 1/2" | PS-163 | 35-423-1084 | PS-163 | |||||
| 5/8" | PS-1000 | 35-423-1060 | PS-1000 | 35-423-1048 | PS-3865 | 35-423-1061 | PS-1905 | |
| 3/4" | PS-601 | 35-423-1080 | PS-601 | 35-423-1044 | PS-3986 | 35-423-1082 | PS-1904 | |
| Ceramic In Volute With Plastic Cup | ||||||||
 |
5/8" | PS-2131 | 35-423-1070 | PS-2131 | 35-423-1069 | PS-3869 | 35-423-1072 | PS-1906 |
| Speck Style | ||||||||
 |
60mm | PS-VGM-2920 | 35-423-1056 | PS-VGM-2920 | ||||
Replacement Shaft Seal Identification
Head Types
Type A
Type B
Type C
Type D
Identification Chart
| Type | Seal Head Type | Shaft Size | Seal OD | Seal Height | Mating Ring Diameter | Mating Ring Thickness |
|---|---|---|---|---|---|---|
| PS-100* | A | 5/8" | 1-7/32" | 13/16" | 1-13/16" | 11/32" |
| PS-200* | A | 5/8" | 1-7/32" | 13/16" | 1-1/4" | 13/32" |
| PS-501* | A | 5/8" | 1-7/32" | 15/16" | 1-1/4" | 13/32" |
| PS-2131* | A | 5/8" | 1-7/32" | 13/16" | 1-1/4" | Lexan Cup |
| PS-201* | A | 3/4" | 1-11/32" | 13/16" | 1-3/8" | 13/32" |
| PS-851 | A | 3/4" | 1-11/32" | 13/16" | 1-3/8" | 13/32" |
| PS-360* | A | 1" | 1-13/16" | 1" | 1-7/8" | 7/16" |
| PS-671* | B | 3/8" | 1-1/8" | 15/32" | 7/8" | 5/32" |
| PS-163* | B | 1/2" | 1-1/8" | 43/64" | 1" | 5/16" |
| PS-142* | B | 1/2" | 1-1/8" | 43/64" | 1" | 7/32" |
| PS-1000* | B | 5/8" | 1-7/16" | 25/32" | 1-1/4" | 13/32" |
| PS-601* | B | 3/4" | 1-9/16" | 51/64" | 1-3/8" | 13/32" |
| VGM-2920* | B | 3/4" | 1-17/32" | 47/64" | 1-13/32" | 19/64" |
| PS-309* | C | 7/8" | 1-5/16" | 3" | 1-1/2" | 13/32" |
| PS-3890* | D | 5/8" | 1-1/32" | 27/32" | 1-3/8" | 13/32" |
Pump Shaft Seal Replacement Guide
| Manfacturer | Pump Model | Manf. Seal # | Shaft Seal | Horizon # |
|---|---|---|---|---|
| Acura | Aquaheat | AS 1000 | 35-423-1060 | |
| Acura | Aquaheat Plus | AS 1000 | 35-423-1060 | |
| Acura | Magnaflow | AS 1000 | 35-423-1060 | |
| Acura | Maverick | AS 1000 | 35-423-1060 | |
| American Products | Americana | 39500500 | AS 201 | 35-423-1021 |
| American Products | Americana II | 71734 | AS 1000 | 35-423-1060 |
| American Products | Bronze | 71734 | AS 1000 | 35-423-1060 |
| American Products | Bronze, Noryl | 39500500 | AS 201 | 35-423-1021 |
| American Products | Eagle | 71734 | AS 1000 | 35-423-1060 |
| American Products | Maxim | 71734 | AS 1000 | 35-423-1060 |
| American Products | Power Glas | 71734 | AS 1000 | 35-423-1060 |
| American Products | Ultra Flow | 71734 | AS 1000 | 35-423-1060 |
| Aqua Flo | A series | 92500050 | AS 1000 | 35-423-1060 |
| Aqua Flo | AC series | 92500000 | AS 309 | 35-423-1039 |
| Aqua Flo | Dominator (pre 1995) | 92500050 | AS 1000 | 35-423-1060 |
| Aqua Flo | Dominator (after 1995) | 92500150 | AS 200 | 35-423-1020 |
| Aqua Flo | Flo-Master FMCP | 91049000 | PS 2131 | 35-402-1008 |
| Aqua Flo | Flo-Master FMHP | 91049000 | PS 2131 | 35-402-1008 |
| Aqua Flo | Flo-Master FMVP | 91049000 | PS 2131 | 35-402-1008 |
| Aqua Flo | Flo-Master XP2 48FR | 92500150 | AS 200 | 35-423-1020 |
| Aqua Flo | Flo-Master XP2 56FR | 92500150 | AS 200 | 35-423-1020 |
| Hayward | Max-Flo SP1800X series | SPX1600Z2 | AS 1521 | 35-423-1065 |
| Hayward | Max-Flo SP2800X series | SPX1600Z2 | AS 1521 | 35-423-1065 |
| Hayward | Northstar SP4000 series | SPX1600Z2 | AS 1521 | 35-423-1065 |
| Hayward | Northstar SP4000X series | SPX1600Z2 | AS 1521 | 35-423-1065 |
| Hayward | SP 1500 Power Flo | SP1500-KA | PS 2131 | 35-402-1008 |
| Hayward | SP 1580 Power Flo LX | SP1500-KA | PS 2131 | 35-402-1008 |
| Hayward | SP 1700 Power Flo II | SP1500-KA | PS 2131 | 35-402-1008 |
| Hayward | SP1600X Super Pump | SPX1600Z2 | AS 1521 | 35-423-1065 |
| Hayward | SP2600 Super Pump | SPX1600Z2 | AS 1521 | 35-423-1065 |
| Hayward | SP2600X Super Pump | SPX1600Z2 | AS 1521 | 35-423-1065 |
| Hayward | SP3000 Super II | SPX1600Z2 | AS 1521 | 35-423-1065 |
| Hayward | SP3000X Super II | SPX1600Z2 | AS 1521 | 35-423-1065 |
| Hydrabaths | Hyflo II | AS 200 | 35-423-1020 | |
| Hydrabaths | Hyflo SD | AS 200 | 35-423-1020 | |
| Hydr-O-Dynamics | Hydro Power | AS 1000 | 35-423-1060 | |
| Jacuzzi Brothers | LR series | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | Cygnet series | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | J, JCM, K, KM | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | L, LC, LCUN2, LT LX, | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | L3 & L25 | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | LH & LTH | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | LPH, LPC, LTPH | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | LR series | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | LR, LR9, LR3, LR6, LR25 | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | Magnum | 10-1502-09 | AS 201 | 35-423-1021 |
| Jacuzzi Brothers | P, PC, EP | 10-1502-09 | 35-105-1115 | |
| Jacuzzi Brothers | PH & UPS | 10-1502-09 | 35-105-1115 | |
| Jacuzzi Brothers | Pirahna “A” | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | R, P, PC, UP | 10-1502-09 | 35-105-1115 | |
| Jacuzzi Brothers | RC | 10-1502-09 | 35-105-1115 | |
| Jacuzzi Brothers | SLPH, SLTPH | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | ULSB & ULSC | 10-0002-06 | AS 200 | 35-423-1020 |
| Jacuzzi Brothers | Magnum | 10-1502-09 | 35-105-1115 | |
| PacFab | Challenger | 354545 | AS 200 | 35-423-1020 |
| PacFab | Dynamo | 354545 | AS 200 | 35-423-1020 |
| PacFab | Hydro | 354001 | AS 201 | 35-423-1021 |
| Premier Springwater | 320/325 | AS 201 | 35-423-1021 | |
| Premier Springwater | Spa II | AS 1000 | 35-423-1060 | |
| Purex | Quietflo/Aquatron | 71733 | AS 501 | 35-423-1040 |
| Purex | Whisperflo | 71734 | AS 1000 | 35-423-1060 |
| Sonfarrell | Spa Master | AS 1000 | 35-423-1060 | |
| Speck Pump | Model 90, 93, and others | 2920343310 | 35-475-1000 | |
| Sta-rite | ABG | 37400-0026S | AS 201 | 35-102-1574 |
| Sta-rite | CF6 | U109-136SS | AS 1000 | 35-423-1060 |
| Sta-rite | CFA | U109-136SS | AS 1000 | 35-423-1060 |
| Sta-Rite | Dura-Jet DJ, JS, JT series | 37400-0027S | 35-102-1406 | |
| Sta-rite | Dura-Jet JS series | 37400-0027S | 35-102-1406 | |
| Sta-Rite | Dura-Jet TPE/TPR | 37400-0027S | 35-102-1406 | |
| Sta-rite | Dyna-Glas/Dyna-Max | 37400-0027S | 35-102-1406 | |
| Sta-rite | Dyna-Jet | 37400-0027S | 35-102-1406 | |
| Sta-rite | JW | 34700-0026S | AS 201 | 35-102-1574 |
| Sta-rite | JWPA | 37400-0026S | AS 201 | 35-102-1574 |
| Sta-rite | LT | U109-68SS | 35-102-1319 | |
| Sta-rite | Max-E-Glas/Dura-Glas | 17304-0100S | 1998 to present | 35-102-1031 |
| Sta-rite | Max-E-Glas/Dura-Glas | U109-9355 | Pre 1998 | 35-102-1030 |
| Sta-rite | Max-E-GlasII/Dura-GlasII | 37400-0027S | 1998 to present | 35-102-1406 |
| Sta-rite | Max-E-GlasII/Dura-GlasII | U109-372SS | Pre 1998 | 35-102-1147 |
| Vico Products | Superflo | PPSFSEAL | PS2136 | 35-423-1075 |
| Vico Products | Ultima | PPSFSEAL | PS2136 | 35-423-1075 |
| Vico Products | Ultraflo | PPSFSEAL | PS2136 | 35-423-1075 |
| Waterway | Center-Discharge | 319-3100B | AS 1000 | 35-423-1060 |
| Waterway | Executive Series | AS 1000 | 35-423-1060 | |
| Waterway | Hi-Flo | 319-3100B | AS 1000 | 35-423-1060 |
| Waterway | Hi-Flo SD | AS 1000 | 35-423-1060 | |
| Waterway | Mustang/Workhorse | 811-1001B | AS 1000 | 35-423-1060 |
| Waterway | Mustang/Workhorse | 811-1101A | AS 1000 | 35-423-1060 |
| Waterway | Spa/Bath | AS 1000 | 35-423-1060 | |
| Waterway | Super-Flo SD | AS 1000 | 35-423-1060 | |
| Waterway | SVL 56 | 319-3100B | AS 100 | 35-423-1060 |
| Waterway | Tiny Might Back | 811-4000B | 35-270-2007 | |
| Waterway | Tiny Might Front | 811-4000A | 35-270-2005 |