I have a Robertshaw 300-226 hp stat. it has w y r c g b & o connections. y turns on the compressor & w turns on auxiliary heat. b & o select heating or cooling respectively.

I have a 2 stage furnace & wish to know whether this stat wil work with it.
If I connect b(stat) to w1 (furnace) & w(stat) to w2 (furnace) would this work to control 2 stage heating on the furnace?

Is b(stat) at 24 volts like w1, w2 normally are ?

thanks Mark