Quiet 2500 GPH pump?

[rocketeer]

Hi,

I need to buy a pump capable of about 2500 GPH at a zero to one foot head for a closed loop. The thing is, I need it to be quiet.

Does anybody have any reccomendations? How about any brands that I should avoid?

Thanks,
Jack

[Richard]

Dart.

[Bill S]

This ISN'T it. I went round and round with the mfg on this pump - and even had a replacement sent. The mfg FINALLY acknowledged that the 9000s are NOT QUIET and are NOT 45db. We couldn't sleep with them running. Went down to a 6000, and WHOA, IT'S QUIET. That being said, they did acknowledge that they are working on a quieter high end pump.

[RNall]

The used dolphin I got from Jose is quiet. I guess that's not true. It does make a little hum but it is not bothersome at all. The only time I really notice it is when I shut it off. It's more quiet than the fans I have in my canopy and the chiller, that's for sure.