LESSO ABS Reducing Coupling — Hub × Hub DWV | 2″×1-1/2″, 3″×1-1/2″, 3″×2″ | ASTM D2661, CSA B181.1, cUPC
LESSO ABS Reducing Coupling — Hub × Hub DWV | 2″×1-1/2″, 3″×1-1/2″, 3″×2″ | ASTM D2661, CSA B181.1, cUPC
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A compact hub-to-hub reducing coupling for seamless size transitions in ABS DWV runs. Solvent-weld to Schedule-40 IPS ABS for a rigid, leak-resistant join; the fitting family conforms to ASTM D2661 and CSA B181.1 and is commonly cUPC-listed for code acceptance across Canada. DWV only—follow water (hydrostatic) test methods, not compressed-air tests.
Features
- Purpose-built reducer: Joins two ABS lines of different sizes; listed in Canadian catalogues as “ABS reducing coupling, hub × hub (DWV)” for residential/commercial drains.
- Solvent-weld installation: Hubs accept pipe for cemented joints; ABS DWV fittings are manufactured to Schedule 40 dimensions per ASTM D2661.
- Standards & listings: Conforms to ASTM D2661 and CSA B181.1; ABS DWV fittings typically bear cUPC and required body/hub markings (“ABS,” “B181.1/DWV”).
- DWV-only safety: Non-pressurized service; never test with compressed air or gas—use hydrostatic testing per manufacturer guidance.
- Sizes you stock: 2″ × 1-1/2″, 3″ × 1-1/2″, 3″ × 2″—the most requested reductions for kitchen, bath, and stack transitions.
Specifications
- Material: ABS (acrylonitrile-butadiene-styrene), black DWV grade.
- Connection: Hub × Hub (solvent-weld).
- Nominal sizes: 2″×1-1/2″, 3″×1-1/2″, 3″×2″.
- Compliance: ASTM D2661, CSA B181.1; typical cUPC certification with marking requirements.
- Application: Drain / Waste / Vent (DWV)—non-pressurized; residential & commercial.
