TPMS Sensors (4) TyreSure T-Pro Tyre Pressure Valve for Vauxhall Astra H Van 11-EOP. This listing is for 4 TyreSure T-Pro Programmable Sensors. The T-Pro sensor is widely compatible, versatile and made with the highest quality materials. Powered by the market-leading NSX (formerly Freescale) chip and long lasting Maxell battery. Sensor programmed for: Vauxhall Astra H Van (2011-EOP). Brand: TyreSure Model: T-Pro Programmable Sensor Type: Clamp In Nut Torque: 4.0Nm Screw Torque: 1.4Nm. Note: There are various relearn processes available for different cars.