Lukewarm Water on a Hotplate Before Shabbat | Sheilot

Lukewarm Water on a Hotplate Before Shabbat

Question

Is it permitted to place lukewarm water on the hotplate before Shabbat so that it will heat up on Shabbat?

Answer

Shalom u’vrachah 

Strictly speaking, it is permitted. 

However, it is proper to boil the water before Shabbat. 

Answered 15 June 2026 How answers are reviewed
Answered by
Answers questions at Rav Amram Fried's Beit Horaah
Smicha "Yoreh-Yoreh" (2012), Rav Amram Fried's Beit Horaah
Orach Chaim, Yoreh Deah
About the Rabbi

Source

See Shulchan Aruch, Orach Chaim, siman 253, se’if 2; and Mishnah Berurah, se’if katan 73. 

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