Ideal Isar HE30 & M30100 DHW Heat Exchanger Kit 170995

I need a heat exchanger for he30 ideal isar combi installed between 2005-2007. is the part listed here suitable?. thanks.

Hi does this fit the he35 too, art no 068424.8?

For the vf model? And does it come with the O rings. Thank you.

The boiler I have is CP not WILO Does it make a difference? Do you have a Heat exchanger for Product code 173957