Here is my hot water tap: I have not been able to to figure out why the hot water coming from the ho

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Here is my hot water tap: I have not been able to to figure out why the hot water coming from the hot water tap on my La Cimbali M30 is flash boiling. I have another La Cimbali M30 that does not have the same problem as the water is hot but does not splatter all over your hands and burn you. I took the nozzle from the good machine and put it on the M30 that is flash boiling and it made no difference. The water line goes directly to the boiler where it meets some kind of valve that appears to inject fresh cold water with water coming from the boiler. The screw like valve was stuck in place so I replaced the inside part of the valve with a new one. Last night was the first time I was able to adjust the valve and turn it while hot water was flash boiling out of the hot water tap. Adjusting the valve has not solved the problem. Does anyone have any idea why adjusting this has not fixed the flash boiling? Thank you for the help, Craig ontum   Posts: 38 Joined: Jul 08, 2012 Location: Portland, aroma espresso bar United States
I haven't seen this particular model, but my La Marzocco Strada has a similar mixing aroma espresso bar valve for the hot water tap. It also has a programmable feature to enable/disable the pump while drawing water, so you can pick between a mix or only steam boiler water (e.g., if you're only using it for cleaning portafilters and such). Back to your opening post: ontum wrote: The water line goes directly to the boiler where it meets some kind of valve that appears to inject fresh cold water with water coming from the boiler. Judging from the video, it looks like either there is no incoming fresh water into the mixing valve, or the pressure of the incoming water is so low, the resulting aroma espresso bar water flow is 98% steam boiler water. How is water supplied aroma espresso bar to the mixing valve, i.e., mains pressure or by the pump? If by the pump, is it possible there's a solenoid or stuck check valve preventing incoming water from reaching aroma espresso bar the mixing valve? Just a guess. aroma espresso bar
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