PC Board, Conductivity sensor for the ABI 433A. This board has 3 channels on it. It can be used to connect a UV Monitor to the 431 or 433, Exchange. Since this is an exchange part, you must return your old part complete with all components. If you do not return your part or you return it missing components, you will be charged as though you purchased a new part without exchange. If you do not want to send your old part back to us, you should purchase this same item as non exchange from us.
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