Return pump states "pure copper motor" need for concern?

[McCarrick]

Ordered a return pump for my sump that I'm building. The side of the box says pure copper motor. Does this create any concern?

 

[TheDuude]

What make is the pump? Internal or external?

 

[McCarrick]

What make is the pump? Internal or external?

Internal. https://www.amazon.com/gp/aw/d/B072C5YZ3C?psc=1&ref=ppx_pop_mob_b_asin_title
Either way it wound up not being strong enough. I got the 320 ghp.
Either way I am returning it and was looking at this one- https://www.amazon.com/gp/aw/d/B08TTXW7CJ/ref=cm_cr_lh_mb_bdcrb_top?ie=UTF8 but it also says pure copper motor. The water really shouldn't come in contact with the water but I'd rather be safe than sorry.

 

[TheDuude]

Hard to say.. I would try and find a eheim used locally if I was going to trust it for a critical job like return. IME they are about the best low cost pumps.

 

[alain Bouchard]

no worry, the copper parts are not in contact with water. All electrical component of an aquarium have copper in them.

 

[HuduVudu]

To further @alain Bouchard the windings for the motor are copper.

Here is picture of the inside of a motor. All motors are essentially the same and this is what they look like:

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[McCarrick]

Thanks @alainbouchard and @HuduVudu I was pretty sure it didnt matter but I wanted to double check. I'm disappointed that I doubted myself with something like this since I'm studying mechanical engineering- I should have known! Thanks again