Skills Hub

leak-detection-repair

Leak Repair Verification

Always tested on the EPA 608

Verify a leak repair before returning the system to service.

About this skill

Verification of a leak repair by re-testing the system with the leak detector, leak-rate verification for large systems, and document the repair per EPA requirements.

10 total steps
4 critical steps
Time limit: 15 min

What graders are watching for

  • 1
    Hold at operating pressure for at least 15 minutes
  • 2
    Document the repair method and verification results
  • 3
    Nitrogen purging during brazing prevents oxide scale

Common mistakes (and how to avoid them)

  • !
    Returning the system to service without verification
  • !
    Skipping the leak-rate verification for large systems
  • !
    Not documenting the repair (creates EPA liability)

Practice this skill step-by-step

The static walkthrough above is the marketing overview. The full step-by-step interactive practice (with critical-step highlighting, per-step "why this matters" rationale, and what graders watch for on each individual step) is unlocked with a subscription.

View pricingTry 10 practice questions

Related leak detection repair skills

Leak Detection Inspection
Inspect refrigerant systems for leaks per EPA 40 CFR 82.157.
Electronic Leak Detection
Use a calibrated electronic leak detector to find small leaks.
Bubble Method Leak Detection
Use soap-and-water to find medium and large refrigerant leaks.