Thermo™ SCUBA valves are manufactured in Taiwan and are distributed in the US by XS Scuba. The Thermo Pro DIN/K valve has been independently tested as meeting the CGA V9-2009 Compressed Gas Association Standard for Compressed Gas Cylinder Valves. The Thermo valves have a polished heavy chrome cosmetic finish and include a pre-installed DIN-to-Yoke adapter.

DGX Premium SCUBA valves are also manufactured in Taiwan. DGX Premium valves are available in an exceptionally wide variety of specialized versions. The DGX Premium valves have a satin chrome cosmetic finish. Our unbranded generic valves have a lower retail price as a result of being sourced directly from the manufacturer. Although the DIN-to-Yoke adapter is included with most cylinder and valve packages, when sold individually our DGX brand valves do not include a DIN-to-Yoke adapter. The adapter is always available separately as a low cost accessory.

There are internal differences (for example the bonnet nut seal on the Thermo uses a copper crush washer and the DGX uses an O-ring), but oxygen compatible materials and construction of the valves are similar for both Thermo and DGX. Both are described as Nitrox Ready, although Thermo valves are explicitly labeled "40% MAX OXYGEN PREMIXED" on the valve body. Our long experience with the branded Thermo and generic DGX Premium valves has been both have similar reliability and durability in the field. Regardless of brand, every product we sell is backed by Dive Gear Express 5-star quality customer service.