Water temperature rating for Core regulator

[archer1960]

I'm looking at getting a new regulator for use in colder water. I was first looking at the Legend Glacia, but my LDS told me it would be overkill unless I'm doing ice diving. He suggested a Core instead, saying that it was plenty good for 40F and up water. Is he giving me the correct info?

 

[tbone1004]

buy Apeks, still in the Aqualung family. XTX50 with the DST first stage is the best regulator the whole company makes

 

[Willar]

Aqua Lung regulators with Supreme in the name indicates they are environmentally sealed and therefore many be used in cold water. i.e. Core Supreme, Legend Supreme, Titan LX Supreme.