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After reaching the required recovery vacuum, what does EPA's test outline say to do before opening the system?

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  1. Open it right away
  2. Heat the system to 200 F
  3. Wait a few minutes to see if pressure rises

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References

  1. EPA Section 608 Technician Certification Test Topics www.epa.gov/section608/test-topics Checked 2026-10-10.
  2. EPA Section 608 Technician Certification Test Topics www.epa.gov/section608/test-topics Checked 2026-10-10.

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Trades & ShopInstead of recovering a percentage, a technician can evacuate a small appliance to what vacuum?Trades & ShopMedium-pressure appliance under 200 lb, recovery equipment made after November 15, 1993. Evacuate to how many inches of mercury vacuum?Trades & ShopOpening a high-pressure appliance with under 200 lb, using post-1993 equipment. Evacuate to how many inches of mercury vacuum?

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