Repair kit for 2nd stage Scubapro MK5

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Depends on which second you have. MK-5 is the model number of the first stage only, it could have several different second stages, each with its own model number. Your best bet is to post a photo of it, then we can tell you which it is and what kit you need.....and if upgrades are needed.
 
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The first stage this is MK10

dph26s.jpg
 
The second stage you posted is a R109, you can get the kits for it at Vintage Double hose. You can also get an upgrade kit to balance it, making it a R156.
 
That first stage is a Mk5, and a very desirable one at that. It have the more desirable 5-lp port turret and the very hard to find din fitting. In the USA, the din adapter may actually be worth more than the rest of the Mk5. Parts for that also available from VDH but Scubapro does still produce Mk5 kits or it could use the Mk10 kit (same HP seat and seat retainer seal) and would just require a separate standard size o-ring for the piston head. With a little care, your grandchildren could dive that some day. Great regulator.
 
The second stage you posted is a R109, you can get the kits for it at Vintage Double hose. You can also get an upgrade kit to balance it, making it a R156.

Thanks for the great explanation. But then it's right the G200 kit For it ?

That first stage is a Mk5, and a very desirable one at that. It have the more desirable 5-lp port turret and the very hard to find din fitting. In the USA, the din adapter may actually be worth more than the rest of the Mk5. Parts for that also available from VDH but Scubapro does still produce Mk5 kits or it could use the Mk10 kit (same HP seat and seat retainer seal) and would just require a separate standard size o-ring for the piston head. With a little care, your grandchildren could dive that some day. Great regulator.

Are you sure that the first stage is an mk5 and not mk10 ? Searching and Looking the photo on google my first stage seems an mk10.
Wich is the corret kit for repair of it ?

Store - Vintage Double Hose

it looks like you have the poppet with the replaceable seat so you can also punch your own seats like awap and get some orings instead of buying a kit

Many thanks!
 
That is def a MK-5, the easy way to tell the difference is where the ambient holes are, on the MK-5 (like this one) they are on the lower section of the reg as opposed to a MK-10 where they are on the main body. The main body on a MK-10 is also longer than that of the MK-5. There are a number of variations of both but the above always holds true.
 
https://www.shearwater.com/products/teric/

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