Ensure reliable and consistent operation of your commercial espresso machine with the genuine SUPPORT PORTAFILTER CONTACTS (Part # F.1.170). These critical electronic components are essential for accurately initiating the dose or shot timer when the portafilter is locked into the group head. Engineered to factory specifications, these contacts guarantee immediate and precise signal transmission, eliminating frustrating delays or missed shots. The core features include high-durability construction to withstand repeated daily use and precise spring tension for optimal electrical connection. If you are experiencing issues where your "espresso machine isn't starting shot automatically" or your "portafilter contact switch is failing," replacing the support contacts is the key solution to restore seamless workflow and dosing accuracy. The primary benefit of using this OEM replacement kit is the restoration of consistent automation, which minimizes user error and standardizes shot timing across all groups. This part plays a crucial role in maintaining machine calibration; when contacts wear out, baristas often ask, "Why is my espresso machine not recognizing portafilter?" or "How to fix intermittent dosing on commercial espresso machine?" Our SUPPORT PORTAFILTER CONTACTS resolve these common problems by ensuring a perfect circuit closure every time. Installation is generally straightforward for qualified technicians, providing a long-term fix and protecting the machine's control board from electrical instability caused by faulty switches. This essential assembly is manufactured from high-grade conductive materials and robust polymers for longevity in high-volume café environments. The unit includes the necessary contact block and wiring harness for a direct replacement of the F.1.170 component. Usage involves mounting the new support contacts assembly near the group head portafilter lock-in area. Don't let a small, worn part disrupt your service—investing in genuine SUPPORT PORTAFILTER CONTACTS is the best way to "prevent downtime due to electrical dosing errors" and ensure your machine runs at peak efficiency.