Looking to buy Parts for BOSCH Tankless Hot water

Hi guys,

I need your help, I have BOSCH Grentherm 9000 Series, Model# T9800SE 160, Tankless Hot Water.

So I am looking for this Parts below.

1)--Water Filter
2)--Gaskets & Burner

I am attaching Photos, I am in Toronto Ontario Canada.

Please help me for this Parts either Online or Local Shop I want to purchase.

Thanks