BT-LGXLite-THS-SB LGX Lite TH Sensor for Stealth Burner BOM QTY Pos 1x 4mm Steel Ball 1x omron Microswitch (D2F-FL / D2F-5L) 2x Self tapping screws m2x10 1x ECAS or BSP 1x 14mm ptfe tube between LGX lite and sensor (OD4 ID2.5)