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- Honeywell UCN Serial Input Output Module (621-9935)
- Manufacturer: Honeywell
- Series: UCN
Rate the 621-9935 Product 5.0/5 on 1 review
- New parts from DCS Center have a one year warranty
- Refurbished parts have a two year warranty
- Repaired parts have a two year warranty unless otherwise noted on your repair quote
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