replaced the heat break that shipped with my D9. Currently using this with a Micro-Swiss A2 hardened steel .4, and everything is working well.
Heat Break - Wanhao Duplicator 9
Free shipping in Canada for orders over $140 before tax. (via Canada Post)
Heat break for the Wanhao Duplicator 9.
Buy a Wanhao spare parts in Canada without the surprise cost of the exchange rate!