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Does one need to perform Bedikas Chametz towards Chametz vessels?
Some Poskim rule that all Chametz vessels require a Bedika. Practically, the custom is not to perform a Bedika on vessels and to suffice with washing the utensils. One is however to check with a candle the inside of an oven and microwave.
 Chayeh Adam 119/10; Kitzur SHU”A 111/3
 Nitei Gavriel 18/8 footnote 14 and in Volume 3 Teshuvah 1
 Nitei Gavriel ibid