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Synesso Sabre with one Hydra Group!

Today I am upgrading a 3 group Synesso Sabre to have a single semi automatic group and two fully automatic groups. Sort of a Hydra / Sabre hybrid, you could say; it will definitely have the best of both worlds.   This particular machine is owned by well known Adelaide roaster and cafe owner, Mark Barun (The Coffee Barun!).

The first task is to split the group being converted from the water inlet manifold that supplies the flow meters at the point where it connects to its heat exchange pre heating tube. We then build a new water supply assembly which includes a check valve, brew gauge, expansion valve and hose connection. This machine is already fitted with the dual supply hose modification, so the Hydra group will only need a single braided hose.  The Sabre side pump will look after the steam boiler filling.

Once the manual group top has been fitted we can commence the wiring up of the group switches, brewing motor relay and pump motor. As a bonus, I will be fitting a pre-infusion timer also, maybe I should just go ahead and throw in some steak knives…

~rich