I just looked again at the ones posted on here and start at 0 .05 .10 so that is still really not the right one. i think I'll just go with mark II 25That would work...or you could just use 1 hose...just leave the other port open to atmosphere. The 2 hoses will easily peel apart.
Yeah, that should do the job too...
	
	![[Hearth.com] New Furnace Day: Drolet Heat Commander [Hearth.com] New Furnace Day: Drolet Heat Commander](https://www.hearth.com/talk/data/attachments/300/300166-6084124d96b5ba3ced0001b52555fe1c.jpg?hash=_6iof7zLuC)
