Scubapro

Scubapro MK17 EVO 2/C370 (DIN)

The same sealed MK17 EVO 2 first stage as Scubapro's flagship reg, paired with the more affordable, adjustable C370 second stage instead of titanium.

Environmentally sealed, cold-water rated

Sealed first stage keeps water and ice crystals out of the internal mechanism, the standard for diving below 50°F/10°C.

Scubapro MK17 EVO 2/C370 (DIN)
4.1Comparison Score
$759
Buy on AmazonBuy on Scuba.com
Released2024
First stagediaphragm
BalancedYes
Environmentally sealedYes
Cold-water ratedYes
ConnectionDIN
Max pressure300 bar
HP / LP ports2 / 4
Adjustable 2nd stageYes
Weight1080g
Nitrox-ready (EAN40)Yes
Octo includedNo

"HP / LP ports" is the number of high-pressure and low-pressure ports on the first stage, which caps how many accessories (transmitter, SPG, inflator, second second-stage) you can run at once.

Pros
  • Fully sealed dual-diaphragm first stage is EN250A rated, the same cold-water protection as the pricier S620 Ti version
  • C370's diver-adjustable inhalation knob and coaxial dive/pre-dive lever are usually reserved for higher-tier second stages
  • Meaningfully cheaper than the MK17 EVO 2/S620 Ti while sharing its first stage entirely
Cons
  • Fiberglass-reinforced nylon C370 casing is less premium feeling than the titanium-bodied S620 Ti
  • No octopus included, budget for a second second stage
  • Also sold in an INT/yoke configuration, confirm the listing matches this DIN spec
Diver community sentiment
Mostly positive

Across several Scubaboard threads, divers consistently praise the MK17 EVO/C370 combo for smooth, effortless breathing they describe as indistinguishable from Scubapro's higher-end MK25/S620 lineup, and for reliable performance in cold, silty, or surge-heavy conditions. The compact, sealed diaphragm first stage is repeatedly called a strong value, "best bang for the buck" in the Scubapro range. Complaints are less common but real: one diver reported a brand-new unit arriving with noticeable IP creep and a loosely-seated piston cap, blamed on inconsistent factory QC rather than a design flaw. No serious in-water failures were reported.

Scubaboard: C370 second stage owner impressionsScubaboard: MK17 EVO real-world experiencesScubaboard: new-unit IP creep QC complaint

Summarized from public forum discussion (Scubaboard, Reddit, and similar), not a survey we ran ourselves. See the linked threads for the original conversations.

The MK17 EVO 2/C370 takes Scubapro’s flagship sealed first stage and pairs it with the mid-tier C370 second stage instead of the titanium S620 Ti, a way to get the same cold-water-proof core at a lower price. It’s a natural step up from the MK11 EVO/C370 for divers who want the more robust first stage without paying for a titanium second stage.