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recovery-recycling

Recovery from High-Pressure Appliances

Always tested on the EPA 608

Recover refrigerant from high-pressure systems (R-22, R-410A, R-134a).

About this skill

Recovery from high-pressure appliances (most split systems, R-22, R-410A, R-134a) with recovery to the federally-mandated 0.5 psig high-side threshold.

12 total steps
5 critical steps
Time limit: 20 min

What graders are watching for

  • 1
    Recovery threshold: 0 psig low side, 0.5 psig high side
  • 2
    Recover liquid from the high side first (faster)
  • 3
    Ventilation mask required for systems with > 200 lbs of charge

Common mistakes (and how to avoid them)

  • !
    Stopping at 0.5 psig without holding (must reach and hold)
  • !
    Recovering vapor only when liquid is available
  • !
    Venting refrigerant (federal fine)

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 recovery recycling skills

Recovery from Low-Pressure Appliances
Recover refrigerant from low-pressure systems (chillers, R-11, R-113).
On-Site Recycling of Recovered Refrigerant
Recycle recovered refrigerant through an ARI-740 certified machine.