Section 608 leak repair rules apply to appliances with a full charge of at least how much ozone-depleting refrigerant?

50 pounds or more.

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  1. 50 pounds ✔
  2. 5 pounds
  3. 200 pounds

Why: Section 608's leak repair section covers appliances with a full charge of 50 or more pounds of an ozone-depleting refrigerant. HFC systems now fall under a separate AIM Act rule, which since 2026 covers many HFC appliances of 15 pounds or more.

Huh, didn't know that: Since April 10, 2020, Section 608 leak repair rules do not apply to appliances containing only substitute refrigerants such as HFCs.

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References

Answer: 50 pounds. Section 608's leak repair section covers appliances with a full charge of 50 or more pounds of an ozone-depleting refrigerant. HFC systems now fall under a separate AIM Act rule, which since 2026 covers many HFC appliances of 15 pounds or more.

  1. 40 CFR 82.157 Appliance maintenance and leak repair (Cornell LII) www.law.cornell.edu/cfr/text/40/82.157
    this section applies only to appliances with a full charge of 50 or more pounds of any class I or class II refrigerant
    Checked 2026-10-10.
  2. 40 CFR 82.157 Appliance maintenance and leak repair (Cornell LII) www.law.cornell.edu/cfr/text/40/82.157
    the requirements of this section do not apply to appliances containing solely substitute refrigerants
    Checked 2026-10-10.
  3. 40 CFR 84.106 Leak repair (Cornell LII) www.law.cornell.edu/cfr/text/40/84.106
    This section applies to refrigerant-containing appliances with a full charge of 15 or more pounds of refrigerant
    Checked 2026-10-10.

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