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Thumbnail Filmstrip of 56-3121-00: Replacement OT III Undervoltage Card 300-3121 Images
Replacement for Onan Power Sentry OT III Undervoltage Card
Features:
- Drop-in replacement with same function and fit as original.
- Upgraded sensing circuitry improves reliability.
- Eliminated obsolete components typically found on the original.
- Conformal coating to guard against corrosion and moisture intrusion.
- Built in the USA and backed by a 2-year warranty.
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Return Policy: Unwanted items may be returned within 30 days of the original purchase date. Refund/credit issued will be subject to a 25% per item restocking/re-test fee as long as unit is in new, undamaged condition. Shipping charges are not refundable.