What is this part on an air pump called?

That PDF didn't name the outlet and also didn't show any parts to replace it.

Thanks for the advice slipgate. I'm not sure if that's possible because of different pump shapes but I'll look into it. Unless you meant take off the actual outlet of another pump and glue it to this pump but since I still have the outlet from the Rena, I'm not sure I see the point. Did I miss your meaning?
 
Yeah, I noticed that too, but figured at least you'd be able to confirm that it would not be possible to get parts to fix it.
 
Yeah, I linked to something similar which showed the only two orderable replacement parts - and neither of them were applicable. I think it's time to give up on the pump, unless you have some crazy glue around and feel like trying it out. I wouldn't expect it to work in the long term, but nothing to lose, I suppose.
 
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nevermind, i'm an idiot. (who didn't know that?)
 
A threaded brass fitting might work. Or even a plastic airline connector. In either case you would drill out a hole in the valve body and in the case of the brass piece thread it in, or in the case of the airline connector insert and glue it.
 
nevermind, i'm an idiot. (who didn't know that?)
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Shut up. No you're not.

Subrosa, those are excellent ideas and I'll give them a try if the epoxy doesn't hold strong enough (I don't want to go drilling holes and risk breaking it further until I try the epoxy).

I called Rena today and finally reached some one after trying for days. The guy I spoke to was very polite but I still thought it was pretty dumb. He told me that there was nothing that they could do because there's only a 1 year warranty and that the part that I need is called the casing and he gave me a number for a guy that may or may not have it, and if he does have it, of course I am the one who needs to shell out more dough for something that shouldn't have broken in just two years time with normal use!

Hagen stood behind their heaters (BOTH were malfunctioning!), so why can't Rena stand behind their air pump? Probably because Hagen is afraid of getting sued if a fire or other personal injury results from something going wrong when you mix electricity and water... Air pumps don't run the same liability, I suppose... I say it still sucks though.
 
Warranty terms are an example of getting what you pay for. Cheaper products are more likely to carry cheaper parts and shorter term warranties.

I love my Rena canister filters, but I've never been a fan of their air pumps. I don't feel they meet the same standards of quality. While I like my Rena Filstars more than the Fluval canisters, I find Hagen tends to have more reliable products across the board, while Rena has some good stuff, and some bad stuff.
 
I once got a Rena pump used, I don't remember what size it was. I didn't have much confidence in it (looked like a stylized version of the Elite pumps Petsmart sells, which suck) but I had read reports online that it was the quietest pump ever. I thought it was loud...of course, up to that point I had only owned domed Whispers and this awesome older pump called Apollo:

apollo%20pump.jpg

(don't laugh, it was actually a 50 year old guy who first got me into fishkeeping in a serious way)

So anyway, I don't know what people were comparing the Renas too, but I found mine loud and it didn't look like it was too high quality, in spite of touting these claims on the box.
 
Mine was loud as well, and didn't push nearly as much air as it was supposed to. Granted I received mine used with a tank, so I don't know how well it performed brand new.
 
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