Rabbi Aryeh Lebowitz

Meaning, let's say when you make something in a pot.

So you could make something that's this hot or that hot or that hot.

Meaning, depending on how high you turn the flame, it could deal with multiple levels of heat.

But you have a clean, like a dishwasher.

The highest you could turn it on is high.

And that's the most heat it's ever going to have.

So there is a principle in halacha called kibolo kachpolto.

However it absorbs taste, that's how you can draw the taste out.

So if you know that the dishwasher never ever gets hotter than a certain temperature, then you can use that same temperature to kasher the dishwasher.

And you won't need a rolling boil, you won't need a regular...

hagala, you can use just that same temperature to kasher the dishwasher.

So those who kasher dishwashers without an aven milbenes would assume that that's what we could rely on, that we can get the dishwasher to be as hot as it ever got by pushing the most intense cycle and just running it through on that cycle, and that way it will kasher it out.

Now, the...

I would just add that in terms of matzias, in our homes we often have a hot water tank somewhere in our basement where the hot water tank is usually set, usually it's on a 1 to 10 scale of how hot you want the hot water to be in your house and we usually have it set around 5 or 6.

Before cautioning the dishwasher, you may want to turn it up to 10 so that, you know, let's say a half hour before running the dishwasher through so that you could be certain that it's the hottest water it ever had when you're cautioning the dishwasher because you don't know.

Maybe some previous time you had the hot water setting at a hotter setting and now you're turning on the dishwasher on high and it's not as hot as it could have gotten.

So you probably want to turn it on to its highest setting before you caution the dishwasher.

I would just caution to turn it back before you take a shower so you don't burn yourself because you would want to turn it back to the way it was.

The other issue, the other challenge that we have with kashering a dishwasher is that there are those posts that argue that it cannot be cleaned.

In order for anything to be kashered, first it needs to be cleaned of any chametz.