Yes, sort of. I asked a similar question on the Plumbing forum (see link below), although I was looking to cut costs more than size. Although they don't promote it much, Insinkerator does make an adapter that converts a common continuous-feed disposer into a batch-feed disposer called the CCA-00, whichs sells online for about $35-$40.

ISE will only warrant it (for 6 years) if you install it on one of their Evolution Series disposers. The smallest (and least expensive) of these is the Evolution Compact, which is considerably smaller than the Evolution Cover Control (their only disposer that ships as a batch-feed model) but larger than one of their Badger series. What I don't know is if the CCA-00 will at least work with a Badger or an older Insinkerator disposer if you're ok with not having a warranty, or for that matter if it will work with one made by another manufacturer (note that most disposers are made by one of two companies; Insinkerator's parent company Emerson also makes disposers for Whirlpool's brands (Whirlpool, Maytag, Kitchenaid etc.) as well as for Kenmore, and all use a related design. Insinkerator can be reached at 800.558.5700; ask away and report back!

BTW, I've used an Evolution Compact and found it works well and is very quiet; barely noisier than the top-line Evolution Excel installed elsewhere in the same house if at all.

Insinkerator's previous batch feed disposer was the model 17, which had a unique design with a large grinding chamber, and is tall but slightly narrower than the Evolution Cover Control. I see that Canadian Home Depots still sell the 17.

Here is a link that might be useful: Insinkerator CCA-00 Batch Feed Adapter

Oh, and also, consider swapping your sink for one the same size but with the drain at the rear corner. That will position the disposer in the back corner of the cabinet, out of the way. Sinks with the drain at the rear center, or the side center, are also available. Besides making space under the cabinet, a rear-corner drain also means the first plate you put in the sink won't cover the drain.

I have just ordered a 3/4hp batch feed Waste King from costco.ca since they have an additional $30 off at the moment. (Comes to $147 with tax and shipping)

If I am able to find out that there is something better out there, then i can still easily return it to Costco!
It seems like a great deal, but I am finding it incredibly difficult to research - there are so many different models of Waste Kings and they don't seem to be very different from each other!!

"I never even knew that batch disposals existed until I looked here - and now I need one! Especially with kids in the house."

You do realize how far down in the disposal the actual macerating takes place?

You really have to work to reach in there to pull out undesired things that fall in.

Really?
Of course i am hoping not to drop things in to it....
Does anyone have any pics of their batch feed in place? I can't find any images online.

Brickeyee is incorrect. I have the KA 1 hp batch feed, and it is about the biggest on the market--I think Waste King's 1 hp batch feed is a bit bigger. If I drop a spoon or something down my disposal, I just reach in & fish it out. And I have a deep sink, and I am short with short arms, so I would notice if the disposal is so "far down" as to make pulling something out "work". C'mon. Meanwhile, the advantages of a batch feed in those situations are that (a) there is no flange, so you can see directly down into the disposal to see where the object is, (b) no flange means you don't have to slide your wrist past a clammy slimy flange, and (c) there is no fear that while you are fishing for your object, the disposal might turn on, since a batch feed can only turn on if its cover is on it.

Having said all that, the OP's question is directly opposed to the function and purpose of how a batch feed disposal is constructed. Since you feed the disposal in "batches", you want the chamber to be large so that you don't have to stop the disposal often, if at all, to feed more into it. Typically I can just run my disposal once and be finished, except on big dinners like Thanksgiving or parties or something. Conversely, a small disposal like the Evolution Compact mentioned in this thread, is a continuous feed disposal. Because it can be fed "continuously" there is no need to have a large chamber. People like that "continuous" aspect and that's one reason they choose that style. I like the batch feed cause of the safety issue and no need for a switch. Everyone has different preferences and there is no "correct" choice.

To the OP, I don't think choosing a batch feed disposal over a continuous feed disposal will make a significant difference in your storage capacity under your sink assuming you are sticking with the 3/4 hp size. People typically choose the Evolution Compact disposal because the location of their plumbing outlet dictates a shorter-height disposal, not because they want to eke out a few more inches under their sink. But check the measurements online and you'll see.

Also, you mentioned "there are so many different models of Waste Kings". Waste King only has two 3/4 hp batch feed disposals, the 9900TC which has the 3-bolt mount, and the 5000TC which has the EZ Mount. Other than the mounting method, the two are identical. People choose the EZ Mount model because, well, it's easier to mount. Really a cinch, particularly if you are DIY. People choose the 3-bolt model because they tend to be more solidly mounted, with less vibration, but more of a PITA to install.

Actually, it is disposer *width* that often must be reduced to fit into cramped spaces more than height IME, especially with the aforementioned corner- or side-drained sinks. I mentioned the old ISE 17 because it was designed from scratch to be a batch-feed disposer and has a deep chamber. These show up used on online sale and auction sites for fairly cheap.

Thanks for the synopsis shannon, it really helps!

The one that I bought at Costco is indeed the 9900TC which is the 3 bolt. Should be fine because my contractor will be happy to mount it for me.

I suppose i am wanting a small one because I am really not a big chef - so I am not often packing the disposer full! But i can't stand to let debris sit in the sink, so I run it will mostly plate scraps. I also really do like the idea of no having a slimy flange.

My other reason for wanting it in the first place is my little girl's fingers! :)

I am hopeful that the 9900TC will serve my needs well.