Sunan at-Tirmithiy كتاب الطهارة باب ما جاء فى وضوء النبى كيف كان

حَدَّثَنَا هَنَّادٌ وَقُتَيْبَةُ قَالاَ حَدَّثَنَا أَبُو الأَحْوَصِ عَنْ أَبِى إِسْحَاقَ عَنْ أَبِى حَيَّةَ قَالَ رَأَيْتُ عَلِيًّا تَوَضَّأَ فَغَسَلَ كَفَّيْهِ حَتَّى أَنْقَاهُمَا ثُمَّ مَضْمَضَ ثَلاَثًا وَاسْتَنْشَقَ ثَلاَثًا وَغَسَلَ وَجْهَهُ ثَلاَثًا وَذِرَاعَيْهِ ثَلاَثًا وَمَسَحَ بِرَأْسِهِ مَرَّةً ثُمَّ غَسَلَ قَدَمَيْهِ إِلَى الْكَعْبَيْنِ ثُمَّ قَامَ فَأَخَذَ فَضْلَ طَهُورِهِ فَشَرِبَهُ وَهُوَ قَائِمٌ ثُمَّ قَالَ أَحْبَبْتُ أَنْ أُرِيَكُمْ كَيْفَ كَانَ طُهُورُ رَسُولِ اللَّهِ صلى الله عليه وسلم. قَالَ أَبُو عِيسَى وَفِى الْبَابِ عَنْ عُثْمَانَ وَعَبْدِ اللَّهِ بْنِ زَيْدٍ وَابْنِ عَبَّاسٍ وَعَبْدِ اللَّهِ بْنِ عَمْرٍو وَالرُّبَيِّعِ وَعَبْدِ اللَّهِ بْنِ أُنَيْسٍ وَعَائِشَةَ رِضْوَانُ اللَّهِ عَلَيْهِمْ.
Abū-Ḥayyah said, "I saw 'Alī perform ablution. He washed his hands (up to the wrists) until he cleansed them. Then, he rinsed his mouth three times, and washed his nose three times (by sniffing water into it then blowing it out). He washed his face three times and his arms (up to the elbows) three times. He wiped his head once, then washed his feet up to the ankles. He then stood up, took the unused ablution water, and drank it while standing. He then said, 'I wanted to demonstrate to you the ablution of the Messenger of God, peace and blessings of God be upon him.' " Click on ḥadīth to read more