Product Description 301504, PRESSURE SWITCH. Lamber-Eurodib Genuine OEM replacement part. Lamber-Eurodib specializes in providing products that are used in the commercial food industry. Use genuine OEM parts for safety reliability and performance. From the Manufacturer 301504, PRESSURE SWITCH. Lamber-Eurodib Genuine OEM replacement part. Lamber-Eurodib specializes in providing products that are used in the commercial food industry. Use genuine OEM parts for safety reliability and performance.