La Marzocco Vacuum Breaker Anti-Vacuum Anti-Depression Valve B.2.029
La Marzocco has introduced a new vacuum breaker (anti-vacuum valve) on the steam boiler of the, GS3, Linea Mini, KB90, Leva, and Strada. This new vacuum breaker uses a shape memory alloy (SMA) spring which changes shape depending on the temperature. When the appropriate temperature is reached, the spring changes shape causing the valve to seal.
- For use with La Marzocco GS3, Linea Mini, KB90, Leva and Strada
- This vacuum breaker can be retrofitted onto older Linea Mini and GS3 machines, but the 90 degree fitting must be removed and the vacuum breaker must be screwed directly into the boiler.
- Tech Bulletin
- Don't forget the crush washers!
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Please Note: It is not recommended to retrofit the new SMA vacuum breaker into machines other than the GS3, Linea Mini, KB90, Leva, and Strada. No tests have been made on other models. As the mechanism for sealing is driven by temperature, the distance from the boiler, and the connection components, this may cause the vacuum breaker to perform incorrectly.