Does an oven have to be Cholov Yisroel?

 

If I understand your question correctly, if someone used an oven for a product that is not Cholov Yisroel does the oven need to be Kashered.

Yes it needs to be Kashered.

 

Sources:

רמ”א יו”ד סי’ קטו סעי’ א.

 

 

#4190