TL;DR
A shielded coupling is a no-hub pipe connector consisting of an elastomeric sleeve compressed by a surrounding stainless steel band with worm-gear clamps, used to join cast iron, PVC, or ABS drain pipes. The metal shield keeps the joint rigid and aligned under shear, which is why plumbing codes require it underground and in many transitions where an unshielded rubber boot would flex and leak.
What it means
A shielded coupling is a no-hub pipe connector consisting of an elastomeric sleeve compressed by a surrounding stainless steel band with worm-gear clamps, used to join cast iron, PVC, or ABS drain pipes. The metal shield keeps the joint rigid and aligned under shear, which is why plumbing codes require it underground and in many transitions where an unshielded rubber boot would flex and leak. Heavy-duty versions with wider bands carry higher pressure and shear ratings for buried sewer work.
Where it sits in the glossary
Shielded coupling is part of the Trade jargon group inside the ProFix Directory glossary. Browse every term in this category from the glossary index.
Why Ohio homeowners should know it
This is a term Ohio homeowners encounter when reading contractor quotes, hiring paperwork, or inspection reports. Understanding it well enough to ask one good follow-up question is usually all the protection a homeowner needs.
ProFix Directory keeps definitions short on the index page and saves the longer context — Ohio-specific rules, where the term comes from, and which ProFix tools touch it — for these per-term pages so the term is easy to cite and easy to share.
ProFix tools that touch this term
See also
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