These will work in any machine, of course, but for La Marzocco auto-fill applications they are NOT installed backwards, like when using a three-way valve, but are installed normally, with the water flowing in the direction of the indicating arrow on the bottom of the brass valve body. This is also not required when using this valve for the hot water dispense function; install normally.
Also available: just the coil, part G_251 or valve nucleus, part G_253. Uses W_635 voltage connector. These employ what is called a "mechanical" seal for the valve guide, so no o-ring is used.
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