MAINTENANCE
Black Diamond Union Adaptor
Heavy Duty
Leak-Proof Design
Quick-Connect
UV Resistant
The Black Diamond Union Adaptor provides a secure, watertight bridge between your pool equipment and plumbing lines. It simplifies system maintenance by allowing for quick disconnection of pumps or filters without cutting pipes.
Why You’ll Love It
Tool-Free AccessEasily hand-tighten or loosen connections for seasonal maintenance.
Robust ConstructionHigh-impact PVC maintains integrity under high pressure.
Precision SealingDesigned to house internal O-rings that prevent air leaks and priming issues.
True Union VersatilitySimplifies equipment replacement by providing a standardized fit.
Best For
Pool pump inlet and outlet ports
Filter manifold connections
Salt cell plumbing transitions
Heater bypass installations
Quick Tips
Ensure pipe ends are clean and deburred before solvent welding the adaptor base.
Apply a thin layer of silicone-based lubricant to the O-ring to ensure a perfect seal.
Tighten the union nut firmly by hand; avoid using heavy wrenches that can crack the plastic.
Inspect the internal gasket annually for signs of flattening or dry rot.
Key Features
Deep Socket Sch 40
O-Ring Sealing
Corrosion-Proof
Textured Grip Nut
Self-Aligning
Fit & Compatibility
FitsStandard 1.5″ or 2″ PVC Pipes
Pool TypeIn-ground and Above-ground
MaterialHeavy Duty PVC / ABS Composite
Use WithPumps, Filters, and Chlorinators
Care & Storage
Rinse with fresh water after use.
Let dry fully before storing.
Store out of direct sun for longer life.
Replace worn parts as needed.
PRO TIP
Never use petroleum-based jelly (like Vaseline) on the union O-rings, as it will cause the rubber to swell and degrade; always use a dedicated pool-grade silicone lubricant.
Always follow label directions and safety guidance. Keep pool chemicals and accessories stored safely and out of reach of children.








