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Plumbing

Backwater valve

Reduces sewer backup; installation and maintenance are critical.

Also called: backflow valve, sewer backwater valve

Backwater valve
Conceptual visual reference — always compare actual diameter, thread, material and approval.

Function

Reduces sewer backup; installation and maintenance are critical.

Also called: backflow valve, sewer backwater valve

Before buying

Verify dimensions, compatibility, approval and access before purchase.