Difference between RS-460 and RS-460 II

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milbournosphere

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I'm a recreational diver shopping for my first new regulator. I'm currently diving an old un-balanced US Divers system and am looking to get a balanced setup for deeper diving. I am looking at a few Tusa models (amongst others), the RS-460 and the RS-510, and I have a few questions.

The first is regarding the RS-460 regulator. Is there any significant difference between the first stage on the 460 vs the 460II? Are both cold-water insulated? Also, how much is the DIN conversion kit for the R-400 regulator? I can't find it anywhere online. Also, is the 460 eligible for the Free Parts for Life program if purchased new?

The second is regarding the RS-510. Will it operate well in cold-water (is it cold-water insulated)?

Thanks for answering my questions. I have a Tusa BC and am very happy with it, and certainly wouldn't mind giving Tusa some return business.
 
Last edited:
HI-
The RS-460 and RS-460II are essentially identical. The II version has been available on the market for approx 2yrs, so current LDS stock should be RS-460II. The change was an updated poppet assembly to improve performance and reliability. Each R-400 first stage is CE EN250:2000 approved for cold water conditions <10 deg Celsius/50deg F. The RS-510 is not cold water rated, which requires usage above 10 deg Celsius/50 deg Fahrenheit.
 

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