The level boards are now obsolete and retrofit kits for the use of traditional probe type assemblies are now all that are available. See the Rancilio Infotech flyer here.
Attention CA Residents: Prop 65 Warning
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.