Very difficult to tell, but since the manual for the amp indicates that it can use a whole bunch of different footswitches I really wouldn't want to rely on it at all. I'd probably not cheap out and just buy the official footswitch, it's got a much more solid guarantee on it and it's really not that much more expensive. If you can't afford it right now then save a bit longer.
R.I.P. My Signature. Lost to us in the great Signature Massacre of 2014.

Quote by Master Foo
“A man who mistakes secrets for knowledge is like a man who, seeking light, hugs a candle so closely that he smothers it and burns his hand.”