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The Clean-Seal® 2's new patent-pending design adds the ability to plug, fill and drain a DWV system from any PVC, ABS or cast iron tee.

Oatey Cherne has added Clean-Seal 2 to their broad offering of DWV test products. Trusted by the trade as the best in the business, Clean-Seal 2 offers the same reliable features as the original Clean-Seal with the ability to test the DWV system with either air or water. No longer fill a DWV system from the stack or use other complicated multi-piece products.

  • Patent pending design.
  • Plug, fill and drain from same cleanout tee.
  • Multi-lobe gasket allows sealing of all tees including cast iron.
  • Hand-tighten in place, no tools required.
  • Rubber cap protects hose connection when not in use.
  • Check-valve allows removal of hose after filling system and keeps DWV water from back-filling into potable lines
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Test Plug




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