McAlpine BOSSCONN 82MM 3" PLASTIC PIPE1.25 UNI BL
McAlpine Boss Connector 82 mm to 3″ (1¼″ Uni Blank)
Product Description
The McAlpine Boss Connector is a plastic adapter piece designed to join an 82 mm pipe entry (often wall or floor boss) to a 3″ waste pipe, while blanking off the 1¼″ (32 mm) uni opening. This allows a clean and secure transition with one inactive outlet.
Key Features
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Primary Connection: 82 mm inlet from woodworking bosses or slabs
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Outlet Size: 3″ (≈ 82 mm) main outflow; includes closed-off 1¼″ port for unused connection
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Material: Sturdy polypropylene or PVC body resistant to corrosion
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Type: Plain socket for easy solvent-weld attachment
Advantages
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Integrated Adaptation: Connects different pipe sizes in one compact unit
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Port Blanking: Plugged side port prevents leaks and debris ingress
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Installation-Friendly: Straightforward slip-fit design minimizes joint complexity
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Secure & Durable: Made for lasting performance in drainage networks
Recommended Applications
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Construction or Refurbishment: Ideal for installing boss entries in screed or wall and linking to main drainage
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Floor Waste Connections: Useful where a side branch is not required
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DIY Plumbing: Perfect for simplifying plumbing runs with mixed-diameter pipes
Summary
The McAlpine Boss Connector for 82 mm to 3″ (with blanked 1¼″ port) provides a clean, effective means of joining boss entries to larger waste pipes while safely sealing off unused outlets. Its solid plastic build and simple fit make it a reliable choice for both installation and repair projects.