The Black Swan 21815 Flexible EII Coupling is engineered for secure, leak resistant connections in non pressure drainage systems. Featuring a flexible rubber body and durable stainless steel clamps, this coupling accommodates minor pipe movement and alignment variation while maintaining a dependable seal in residential and light commercial plumbing applications.
Details
Manufacturer: Black Swan
Model Number: 21815-10
Product Type: Flexible coupling
Nominal Size: 3 in
Intended Pipe Material: Plastic or metal drain pipe
Installation Location: Above ground or below ground
Package Contents: One flexible coupling with two stainless steel clamps
Items Included: 1
Key Features
Color: Black
Size: 3 in
Material: Flexible rubber
Clamp Material: Stainless steel
Series: Flexible EII
Flexibility: Absorbs vibration and compensates for minor pipe misalignment
Durability: Suitable for typical moisture exposure in drainage systems
Pressure Limitation: Designed for non pressure applications only
Warnings: Not intended for use in pressurized pipe systems
Applications
Drain waste and vent system repairs
Sink, tub, and bathroom drain connections
Small diameter pipe replacement work
Residential plumbing maintenance
Non pressure drainage transitions
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BrandBlack Swan Manufacturing
ManufacturerBlack Swan
Model Number21815-10
Product TypeFlexible Coupling
SeriesFlexible EII
Nominal Size3 in
Connection Size3 in
MaterialFlexible Rubber
ColorBlack
Clamp MaterialStainless Steel
Items In Package1
Package ContentsOne flexible coupling with two clamps
Intended Pipe TypePlastic or metal drain pipe connections