Hayward SPX1485B3 Union Elbow with O-Ring (Compression Assembly)
Hayward SPX1485B3 is a genuine replacement union elbow used to connect select Hayward sand filters and multiport/filter valve assemblies to the plumbing line. It includes the sealing O-ring (compression assembly) to help create a leak-resistant connection while providing a 90-degree turn for cleaner plumbing layout.
Key Features
- Part Number: SPX1485B3
- Brand: Hayward
- Type: Union elbow with compression assembly and O-ring
- Common catalog/alt reference: 4800-39
- Used to connect filter/valve outlet to plumbing with a 90° elbow union
Common Compatibility (Verify by Your Model)
- Hayward ProSeries side-mount sand filters: S210S, S244S, S310S
- Hayward S200 sand filter system packages: S200PAK2, S200PAK3
- Hayward unions and select filter valve applications commonly referenced as SP1486
Common Reasons to Replace
- Dripping or seepage at the union connection
- Cracked elbow body from stress or freeze damage
- Flattened, brittle, or missing O-ring causing leaks
- Threads damaged or won’t tighten/seal properly
Installation Notes
- Shut off the pump and relieve pressure before loosening any filter/valve unions.
- Clean the sealing surfaces and inspect the O-ring groove before assembly.
- Use a light coat of pool-safe silicone lubricant on the O-ring for easier sealing (do not over-lube).
- Hand-tighten the union nut snugly; avoid overtightening plastic threads/fittings.
- Support the plumbing to reduce stress on the elbow and union connection.
Related Products
- Hayward SPX1485B3
- Hayward S200 Sand Filter Parts
- Hayward ProSeries S210S Parts
- Hayward Multiport Valve Parts
- Pool Union O-Rings
- Pool-Safe Silicone O-Ring Lubricant
Maintenance Tips
- Recheck unions for seepage after the system reaches full operating pressure.
- Replace O-rings any time they become flattened, cracked, or swollen to prevent nuisance leaks.
- Winterize properly and drain equipment to reduce freeze-related cracking of fittings and unions.
