This brand new heavy duty pressure switch is a vital control component for C02 engines. It accurately perceives real-time internal operating pressure and triggers timely switch actions to protect engine running safety. It effectively avoids abnormal pressure faults and keeps the whole engine system operating smoothly. Made with thickened durable materials and fine internal assembly craft, it owns outstanding durability for long-term continuous use. Fully compliant with OEM production standards, it features tight matching, sensitive reaction and long service life for engine overhaul and part renewal.