MP40 rattle

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I have an issue with one of my MP40W's. It seems to be rattling a lot. No matter how much I try and adjust it, it wil still rattle. After I adjust it, it will stop rattleing for a few minutes, then start again. Is there something you recommend to fix this? During the day, I have one (Master) in Lagoon mode and it is in Anti-Sync mode with the second. At night I use night mode. It seem to make the most noise in night mode.

[EcoTech Marine]

How old is the pump (what's the serial number)? Could need a replacement drive shaft. They're pretty economical if you're out of warranty or we'll replace it for free if you're within it.

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How old is the pump (what's the serial number)? Could need a replacement drive shaft. They're pretty economical if you're out of warranty or we'll replace it for free if you're within it.

The pump is a few months old, if that. The serial no. is 40WG209101232

[EcoTech Marine]

We can send you out a replacement drive shaft. Get in touch with us at the contact info below.

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Have not received a replacement drive shaft.

[EcoTech Marine]

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Please provide your last name and I'll check to make sure we've received your service request and have processed it.

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Please provide your last name and I'll check to make sure we've received your service request and have processed it.

Sent you a message on your "Contact Us" page

[EcoTech Marine]

Thanks, will be in touch ASAP.