Rebuilt cooling unit, installation instructions, 2 year warranty — Cooling Unit Only
N640, N641, N642, N643 NORCOLD COOLING UNIT.
Norcold made two versions of this model a old style and a new style.
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N640, N641, N642, N643 Norcold Cooling Units
Version A 8W0803, Version B 8W0801, Old Style, Hold Till I Confirm