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Resun MPQ904A Replacement Diaphragms
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Author:  Mallow [ Jan 24th, '13, 07:25 ]
Post subject:  Resun MPQ904A Replacement Diaphragms

Does anyone have any leads on getting replacement diaphragms for the Resun MPQ904A. I am having a hard time finding any and have been making my own out of various materials but they don't seem to last. If anyone has a lead and can ship them to me in the US I can pay via PayPal.

Thanks
Mallow

Author:  nebbian [ Jan 24th, '13, 13:41 ]
Post subject:  Re: Resun MPQ904A Replacement Diaphragms

Does this help?

http://www.aquariumwholesaleshop.com/in ... cts_id=567

[Edit: not for the stated pump. And no delete button. Bugger.]

Author:  Mallow [ Jan 24th, '13, 19:59 ]
Post subject:  Re: Resun MPQ904A Replacement Diaphragms

Thanks for pointing those out. I may email to see if they can get it at least.

Author:  4xjbh [ Jan 25th, '13, 08:41 ]
Post subject:  Re: Resun MPQ904A Replacement Diaphragms

I was thinking about this and as wondering if one of the reasons diaphragms break is because there is too much pressure in the line, not enough air released to airstones etc.

Author:  Mallow [ Jan 25th, '13, 11:25 ]
Post subject:  Re: Resun MPQ904A Replacement Diaphragms

4xjbh wrote:
I was thinking about this and as wondering if one of the reasons diaphragms break is because there is too much pressure in the line, not enough air released to airstones etc.



You know I thought the same thing but it comesout at 3/8" and splits to 4x 3/8" lines within 1' of tubing then runs about 6' into the tanks around 2' deep with no airstones. I'm not sure how to decrease it more.

Thanks
Mallow

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