Shaft Seal, PS-3960, 5/8″ Shaft, Buna/Carbon | PS-3960
$14.44
| Manufacturer part number | PS-3960 |
| UPC (GTIN) | 852661157247 |
| Returns | 30-day returns – see our returns policy |
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Shaft Seal PS-3960 – Premium Pump Seal for Hot Tub Systems
Product Overview
We supply the PS-3960 shaft seal, a high-performance component designed specifically for 5/8″ pump shafts. This professional-grade seal ensures optimal pump performance and reliability in your hot tub system.
Key Features
The PS-3960 is engineered with premium materials, featuring:
- Durable Buna rubber seal
- Precision-crafted carbon ring for enhanced durability
- High-grade ceramic mating ring
- Corrosion-resistant stainless steel spring
- Superior sealing capability for 5/8″ shafts
Technical Details
This seal represents an upgrade from the standard PS-200 model, notably featuring a superior carbon ring construction instead of the basic molded plastic ring, offering enhanced durability and longer service life.
Specifications Table
| Specification | Detail |
|---|---|
| Model Number | PS-3960 |
| Shaft Size | 5/8″ (15.875mm) |
| Primary Seal Material | Buna |
| Secondary Seal Material | Carbon Ring |
| Mating Ring Material | Ceramic |
| Spring Material | Stainless Steel |
| Application | Hot Tub Pump Systems |
| Compatible With | Most Major Pump Brands |
Installation Compatibility
The PS-3960 shaft seal is designed to work seamlessly with a wide range of hot tub pump models utilizing 5/8″ shafts. Its universal design makes it an ideal replacement part for multiple pump manufacturers.
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Maintenance Tips
For optimal performance and longevity:
- Inspect the seal surfaces for damage before installation
- Ensure proper alignment during installation
- Keep the seal faces clean and free from debris
- Always replace both seal components when servicing
| Pump Model | A Series, A91, BADU Pro, Booster Pump 5060, Cast Iron Pump, Challenger, CMCP, CMHP, Cygnet, Dominator, Dynamo, Dynatron, E Series, ES90, ES90-II, EX2, FMCP, FMHP, FMVP, FMXP, FMXP2, FMXP2e, FMXP3, J Series, JCA, JCM Series, JSA, K Series, KM Series, L25, L3, LCM Series, LCU Series, LH, LPC, LPH, LR, LTH Series, LTPH Series, Magnum, Magnum Force, Magnum Force 3 Canadian, Max-E-Glas/Dura-Glas, MaxFlo II, OptiFlo, Pinnacle, Piranha A, Pool Sweep, Sena, SLPH/SLTPH, Splash Pak K, SuperFlo, SuperFlo VS, SuperFlo VST, SuperMax, SuperMax VS, TheraFlo, TheraMax, TMCP, ULSB/ULSC, UltraFlo, Viper, WaterFall, Waterfall Specialty Pump |
|---|---|
| Shaft Seal Head Type | D |
| Pump Manufacturer | AquaFlo/Gecko, AquaFlo/Val-Pak, Astral, Jacuzzi, Jandy/Zodiac, PacFab/Pentair, Pentair, Speck Pumps, Sta-Rite/Pentair, Sundance Spas, Vico/Balboa, Waterway |
| Quality/Material | Carbon Face, Good – Buna |
| Shaft Size | 5/8" |
| Seal Outside Diameter | 1-1/32"dia |
| Seal Height | 27/32" |
| Mating Ring Diameter | 1-1/4"dia |
| Mating Ring Thickness | 13/32" |
| US Seal Basic Equivalent | PS-200 |
| H Part# | 35-426-1560 |