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A larger low pressure line will help the AC function more efficiently. You've gone to the trouble of getting a more efficient unit, why not make it as efficient as you can?

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โˆ™ 2006-03-14 20:26:26
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Q: When changing from a 5 ton 10 seer split ac system to a 14 seer unit is the seven eight inch low pressure line adequate or should it be replaced with a larger low pressure side line?
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