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3917.40.00.50/Schedule 40 PVC DWV Stack Adapter 4 Inch/Canada

Schedule 40 PVC DWV Stack Adapter 4 Inch from Canada

A stack adapter fitting in Schedule 40 PVC for vertical DWV pipe connections in multi-floor drainage, non-pressure. Under HTS 3917.40.00.50 as other DWV plumbing fittings for building soil stacks. No-hub design for easy alignment.

Duty Rate — Canada → United States

15.3%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Certify wall thickness meets Schedule 40 for DWV to distinguish from thinner sewer specs

• Use detailed photos in entry docs showing no pressure markings