{"id":17573,"date":"2026-03-19T00:39:15","date_gmt":"2026-03-18T22:39:15","guid":{"rendered":"https:\/\/www.ish-tsadik.org.il\/?post_type=faq&#038;p=17573"},"modified":"2026-03-19T00:39:15","modified_gmt":"2026-03-18T22:39:15","slug":"koshering-a-dishwasher-for-pesach","status":"publish","type":"faq","link":"https:\/\/www.ish-tsadik.org.il\/en\/faq\/koshering-a-dishwasher-for-pesach\/","title":{"rendered":"Koshering a Dishwasher for Pesach"},"content":{"rendered":"<p data-path-to-node=\"3\">If the dishwasher contains parts made of earthenware or porcelain, it cannot be koshered. However, for other types of dishwashers, the process is as follows:<\/p>\n<p data-path-to-node=\"5\"><b data-path-to-node=\"5\" data-index-in-node=\"0\">We<\/b> must first clean it thoroughly, ensuring no food residue remains. One must then refrain from using the dishwasher for a full 24-hour period to ensure that any absorbed flavors become &#8220;nullified&#8221; (<i data-path-to-node=\"5\" data-index-in-node=\"199\">Pagum<\/i>). Afterward, run the dishwasher through its longest cycle at the highest temperature setting using a strong cleaning agent (<i data-path-to-node=\"5\" data-index-in-node=\"329\">Ch\u05d5\u05de\u05e8 Pogem<\/i>). Through this process, the body of the dishwasher and the racks are considered koshered for Pesach (<b data-path-to-node=\"5\" data-index-in-node=\"442\">Igrot Moshe<\/b>, Vol. 3, 56).<\/p>\n<p data-path-to-node=\"6\">Regarding plastic trays and racks: According to <b data-path-to-node=\"6\" data-index-in-node=\"48\">Rabbi Moshe Feinstein<\/b> (<i data-path-to-node=\"6\" data-index-in-node=\"71\">Igrot Moshe<\/i>, Vol. 2, 92), plastic cannot be koshered. However, according to the <b data-path-to-node=\"6\" data-index-in-node=\"151\">Minchas Yitzchak<\/b> (Vol. 3, 67), if the vessel will certainly not be ruined by the heat, there is no restriction, and it may be koshered through boiling (<i data-path-to-node=\"6\" data-index-in-node=\"303\">Hag&#8217;ala<\/i>). This was also the ruling of the <b data-path-to-node=\"6\" data-index-in-node=\"345\">Chelkat Yaakov<\/b> (Vol. 2, 163).<\/p>\n","protected":false},"author":5,"featured_media":0,"template":"","class_list":["post-17573","faq","type-faq","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Koshering a Dishwasher for Pesach - Ish Tsadik<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ish-tsadik.org.il\/en\/faq\/koshering-a-dishwasher-for-pesach\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Koshering a Dishwasher for Pesach - Ish Tsadik\" \/>\n<meta property=\"og:description\" content=\"If the dishwasher contains parts made of earthenware or porcelain, it cannot be koshered. However, for other types of dishwashers, the process is as follows: We must first clean it thoroughly, ensuring no food residue remains. 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However, for other types of dishwashers, the process is as follows: We must first clean it thoroughly, ensuring no food residue remains. 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