Quote Originally Posted by youbeyouibei View Post
I had the same experience with the RBI valves. I ended up throwing all of them out after they all started leaking a month and half in from the time of purchase. The VariFlow valves by Edstrom as well as the standard size seem to be somewhat better quality. I still occasionally have on that leaks but not every one of them as happened with the RBI valves.
If you have issues with anything you get from RBI, I would recommend talking to Rich about it before you just chalk it up to experience and replace it. My experience has been that he is a very stand up guy and knows customer service...something kind of hard to come by these days. If something he sells you isn't working like it should, he makes it right.

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Quote Originally Posted by grits View Post
Ive had the total opposite sucess with RBI valves. I found the ones i had leaked easier and needed to be cleaned way more often. When I did disassemble them I didnt find and spring though.
Are you sure you had the RBI valves? There is definitely a spring in the valve. When you unscrew the two pieces of the valve the spring freely falls out. Here is a link to the valve I'm referencing:

http://www.reptilebasics.com/rodent-watering/rodent-drinking-valve/

I've been using them for a good while now with no issues. I'll keep an eye on them and post an update if they do start leaking.