Question about Rancilio Silvia Espresso Machine
1; Second hose is for expansion valve from pump, in case there is excess pressure the water returns to the reservoir.
2; Either the coffee is stale or the amount of tamp pressure is not enough. Think of your grind coarseness rocks and sand, that will help you find the right grind.
4; Yes it is normal. You need a higher temp for steam than for coffee, therefore the thermostat on the machine is programmed to get the water in the boiler to steam temp when you ask for steam, a few seconds at the most.
Posted on Aug 02, 2010
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Posted on Jan 02, 2017
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