Sunan an-Nasa'i 175
سنن النسائي#175Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ بَشَّارٍ، قَالَ حَدَّثَنَا ابْنُ أَبِي عَدِيٍّ، عَنْ شُعْبَةَ، عَنْ عَمْرِو بْنِ دِينَارٍ، عَنْ يَحْيَى بْنِ جَعْدَةَ، عَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو، عَنْ أَبِي هُرَيْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " تَوَضَّئُوا مِمَّا مَسَّتِ النَّارُ " .
It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:'Perform Wudu' from that which has been touched by fire
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 1:176