Under the post-2019 leak repair rules, what is the annual leak rate threshold that triggers required repairs for a comfort-cooling appliance containing 50 or more pounds?
a.35 percent
b.5 percent
c.10 percent
d.20 percent
解析
For comfort-cooling appliances with a full charge of 50 or more pounds, the leak rate threshold that triggers required repairs is 10 percent per year under the rules effective January 1, 2019. Commercial refrigeration is 20 percent and industrial process refrigeration is 30 percent, so 35 percent and 20 percent are the wrong category or the older standard. Exceeding the threshold starts the 30-day repair clock.
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