💧 Pump Rebuild Kit, Pentair/PacFab Challenger, with Viton Seal
Made by U.S. Seal Mfg., manufacturer part number PSK-PF1. If your old part carries one of the cross-reference numbers further down, this is listed as its alternative.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | U.S. Seal Mfg. |
| Manufacturer part number | PSK-PF1 |
| Part Type | O-ring |
| Cross Section | Kit |
| Inside Diameter | Kit |
| Catalog description | Pump Rebuild Kit, Pentair/PacFab Challenger, with Viton Seal |
🔄 Cross-reference part numbers
These part numbers are listed as alternatives for this part.
| Brand | Part number |
|---|---|
| Aladdin | GO-KIT 5 |
U.S. Seal Pool Service Kits are specifically designed for use in applications using salt chlorine generators, ozonators, or hydrogen peroxide based sanitizers. The seals offer better resistance to abrasion, heat and chemicals due to the Viton® elostomer sintered carbon graphite rotating face and polished ceramic stationary face.
Kits Include:
- U.S. Seal MFG.'s genuine PS – Ozone/Salt Service seal.
- All gaskets and o-rings needed for a complete repair.
- Alcohol wipe to clean faces before final assembly.
This kit includes: 1 Diffuser O-Ring, 1 Housing O-Ring, 2 Lid O-Rings, 1 Strainer O-Ring, and 1 PS3867 Seal
Exploded parts diagram: This part is shown on the Pentair PacFab Challenger High Flow In-Ground Pump exploded parts diagram.
🔧 Pentair PacFab Challenger High Flow In-Ground Pump – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Pump, Pentair Challenger HF,1.5hp,115/230v,1-Spd,Up Rate |
| – | Pump, Pentair Challenger High Flow,1.0hp,115/230v,2",Up Rate |
| – | Tool, Socket, Quad-Side A/Solar Side B |
| – | Tool, Clamp Knob Socket, 4-Lobe, w/1/4" Socket Bit Adapter |
| – | Pump Rebuild Kit, Pentair/PacFab Challenger, with Viton Seal ◀ this part |
| – | Adapter, Quick Connect, 2" |
| 30d | 34-110-W009K30D |
| 30c | 34-110-W009K30C |
| 30b | 34-110-W009K30B |
| 30a | 34-110-W009K30A |
| 29 | 34-110-W009K29 |
| 28 | Screw, Pentair PacFab Challenger/Waterfall, Pump Stand |
| 27 | 34-110-W009K27 |
| 26 | 34-110-W009K26 |
| 25 | 34-110-W009K25 |
| 24 | 34-110-W009K24 |
| 23 | 34-110-W009K23 |
| 22 | 34-110-W009K22 |
| 21 | 34-110-W009K21 |
| 20 | Motor Support, Pentair PacFab Challenger |
| 19 | Motor Support, Pentair PacFab Challenger, Tall |
| 18 | 34-110-W009K18 |
| 17 | 34-110-W009K17 |
| 16 | 34-110-W009K16 |
| 15 | 34-110-W009K15 |
| 14 | 34-110-W009K14 |
| 13 | Washer, Pentair PacFab, Pump/Filter, 5/16" |
| 12 | Bolt, Pentair PacFab, Pump/Filter, 5/16-18 x 4-1/4" |
| 11 | 34-110-W009K11 |
| 10 | 34-110-W009K10 |
| 9 | Bolt, Pentair PacFab, Challenger/Waterfall, 5/16-18 |
| 8 | 34-110-W009K8 |
| 7 | 34-110-W009K7 |
| 6 | 34-110-W009K6 |
| 5b | Trap Body, Pentair PacFab, Challenger/Waterfall, 5hp |
| 5a | 34-110-W009K5A |
| 4b | 34-110-W009K4B |
| 4a | 34-110-W009K4A |
| 3b | 34-110-W009K3B |
| 2 | 34-110-W009K2 |
| 3a | 34-110-W009K3A |
| 1b | 34-110-W009K1B |
| 1a | 34-110-W009K1A |
🔧 Exploded diagram and parts
This part belongs to the Pentair PacFab Challenger High Flow In-Ground Pump assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Complete tools
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Tool, Clamp Knob Socket, 4-Lobe, w/1/4" Socket Bit Adapter | MT-501 | 1 in stock | $35.79 | Add to cart |
Complete motors
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 30 | ![]() |
Motor, Century, 208v-230v, Var-Spd, 48fr, SQFL, V-Green | ECM16SQU | Available to order | $839.25 |
Complete motors
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 30 | ![]() |
Motor, Century, 0.75hp, 115v, 2-Spd, 56Yfr, SQFL, EE | B2981 | 3 in stock | $450.08 | Add to cart |
| 30 | ![]() |
Motor, Century, 0.75hp, 230v, 2-Spd, 56Yfr, SQFL, EE | B2980 | Available to order | $322.68 | |
| 30 | ![]() |
Motor, Century, 1.5hp, 230v, 2-Spd, 56Yfr, SQFL, EE | B2983 | Available to order | $733.69 | Add to cart |
| 30 | ![]() |
Motor, Century, 0.75hp, 115v, 2-Spd, 56Yfr, SQFL, 2-Green | B2981T | Available to order | $585.01 |
Complete motors
Show 4 complete motors we stock
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 30 | ![]() |
Motor, Century, 3.0hp, 208v-230v, 1-Spd, 56Yfr, SQFL, EE | B2844 | Available to order | $612.44 | Add to cart |
| 30 | ![]() |
Motor, Century, 0.5hp, 115v/230v, 1-Spd, 56Yfr, SQFL, EE | B845 | 9 in stock | $358.81 | Add to cart |
| 30 | ![]() |
Motor, Century, 0.75hp, 115v/230v, 1-Spd, 56Yfr, SQFL, EE | B2661 | Available to order | $429.63 | Add to cart |
| 30 | ![]() |
Motor, Century, 1.0hp, 115v/208-230v, 1-Spd, 56Yfr, SQFL, EE | B2841 | Available to order | $299.54 |
Complete motors
Show 7 complete motors we stock
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 30 | ![]() |
Motor, Pentair, 5.0hp, 230v, 1-Spd, 56Yfr, SQFL | 353319S | 1 in stock | $939.91 | Add to cart |
| 30 | ![]() |
Motor, Century, 2.0hp, 230V, 1-Spd, 56YFr, SQFL, ODP | B2855 | 15 in stock | $418.69 | Add to cart |
| 30 | ![]() |
Motor, Century, 0.5hp, 115v/230v, 1-Spd, 56Yfr, SQFL | B2846 | 25 in stock | $300.91 | Add to cart |
| 30 | ![]() |
Motor, Century, 0.75hp, 115v/230v, 1-Spd, 56Yfr, SQFL, Full Rate | B2847 | Available to order | $208.80 | |
| 30 | ![]() |
Motor, Century, 1.5hp, 115v/230v, 1-Spd, 56Yfr, SQFL, Full Rate | B2858 | 14 in stock | $515.45 | Add to cart |
| 30 | ![]() |
Motor, Century, 2.0hp, 230v, 1-Spd, 56Yfr, SQFL | B2748 | Available to order | $657.64 | |
| 30 | ![]() |
Motor, Century, 1.0hp, 115v/208-230v, 1-Spd, 56Yfr, SQFL | B2841V1 | 6 in stock | $413.10 | Add to cart |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Tool, Socket Set, Multi-Tork, 3 Items, Polycarbonate | MT-301 | 20 in stock | $101.25 | Add to cart |
![]() |
Tool, Seal Setting | SS2136 | 9 in stock | $103.11 | Add to cart |
![]() |
Tool, Pool Tool, Armature Holding | 128 | 29 in stock | $32.88 | Add to cart |




















































