Bob Dweller
Registered
Anyone knows (Or tell me) the correct kit for repair my older scubapro mk5 ?
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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.
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