Run Capacitor 370 Volt Round Dual 45/7.5 MFD
Grid is 1 inch square
  Dual Run Capacitor 12749
  Dual Run Capacitor 12749
  Dual Run Capacitor 12749

Dual Run Capacitor 12749

Genuine OEM Part # 12749RC Item # 3188772Alternative Part Number(s)
Run Capacitor 370 Volt Round Dual 45/7.5 MFD
Grid is 1 inch square
  Dual Run Capacitor 12749
  Dual Run Capacitor 12749
  Dual Run Capacitor 12749
$33.02
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Run Capacitor 370 Volt Round Dual 45/7.5 MFD
Helpful Tips
Please note that the shape (Round/Oval-Flat) only matters for mounting purposes.
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$33.02
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This part 12749 is compatible with:

Product Type:
Central Air Conditioner, Generator
Brands:
Generac, Mars

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Dual Run Capacitor Customer Reviews

Common Problems Fixed by the Dual Run Capacitor

Based on customer reports and repair data, this part commonly fixes these issues:

Very Likely

Central air conditioner not cooling properly

Very Likely

Heat pump not cooling

Very Likely

Heat pump not heating

Very Likely

Heat pump won't turn on

Very Likely

Heat pump fan motor does not run

Very Likely

Heat pump compressor won't run

Very Likely

Heat pump is frequently cycling/short cycling

Likely

Heat pump coils frosting up

Possible

Central Air Conditioner Condenser fan motor does not run

Possible

Central Air Conditioner Condensing unit does not run

Possible

Central air conditioner compressor won't run

About the Dual Run Capacitor

If the dual run capacitor is defective, the fan motor might be noisy, overheat, or not run at all. To determine if the dual run capacitor has failed, inspect the capacitor. If the dual run capacitor is bulging or leaking, replace it.

Alternative Part Number(s)

Replaces Part Number S1-CAP3707545DR
Replaces Part Number 12249
Replaces Part Number C34575R
Part Production Number 27L947
Part Production Number 27L947B
Part Production Number 27L947BX