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Bonding Brass Nipple into PVC Elbow: PC-7 Epoxy or Rubber Boot

Repairing Hot Tub PVC Elbow with Brass Nipple: Adhesive Options

Need to bond 1/4" brass nipple into 1.5" and 3/4" PVC elbows in hot tub. Can't remove elbows. Original PVC nipples broken. Drill out, install brass. What glue?

No Standard Glue Bonds PVC to Brass

PVC cement doesn't stick to metal. Solvent welds only work PVC-to-PVC.

Options

PC-7 epoxy paste – Bonds anything, holds pressure, heat resistant.
Rubber boot/coupling – Flexible, seals mechanically (e.g., Fernco).

Best: Find PVC nipples (online, specialty plumbing). If impossible, PC-7 carefully applied.

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