Sash Weight Range

A home owner from Prescott Valley AZ says:
October 2, 2017
the stamp on the current balance shows 27-2, should I select the weight range 2720??
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Tom from SWISCO responded:
October 3, 2017
27-2 usually corresponds to 2720, but it's best to weigh your window sash and refer to the chart on the webpage for the balance you select.
28" Series 390 Channel Balance
28" Series 390 Channel Balance
S390-28
$10.97
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