Ouch! had not heard that they discontinued the WC (wood/coal) line of boilers. But their new website clearly omits the WC line. I can't help you with grates, as my WC 90 is in use ... but I'm wondering what happened to yours. If you need any help with your boiler, this is only my 2nd yr using mine, but I do run it yr round.
I'm guessing they made the decision to discontinue some time in 2013, hard to believe they had no spare parts or boilers in stock. I'll be calling them soon.