Repairing Leaks in Embedded Concrete Supply-Return Jets: A Comprehensive Guide

Repairing a leak in a concrete-embedded supply-return jet is possible without major surgery but can be complex. General steps:

1. Identify the Leak: Visual inspection for leaks/water damage; use moisture meter or thermal imaging to pinpoint location.
2. Assess the Situation: Evaluate damage extent, repair complexity, jet depth, accessibility, structural concerns.
3. Prepare the Area: Shut off water supply; clear surrounding area.
4. Remove the Damaged Jet: Drill/chip concrete to expose jet; avoid damaging surrounding plumbing/electrical lines.
5. Repair the Leak: Replace damaged components or apply appropriate sealant.
6. Replenish Concrete: Fill cavity with suitable concrete mix; allow to cure per manufacturer instructions.
7. Restore Surface: Smooth/level patch to match surroundings; apply waterproofing/paint for seamless blend.
8. Test the Repair: Restore water supply; check for leaks. Confirm success.

Note: This is a specialized task requiring knowledge, skills, and tools. If not confident, consult a professional plumber/contractor experienced in concrete repairs and plumbing.