I need help. I got a use Tunze Master pump 1073.090 and the unit has broken impeller unit. I need to replace the impeller unit and shaft. I can't find where to purchase the replacement part. Can you help me where to get the replacement part? Thanks in advance.
I am assuming you need both because they fused together by calcium. If at all possible I would try to salvage the impeller but be careful not to damage the ceramic bushings.
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