I have one. I bought the 47.
I removed the Hx and went diesel fired heat because I mostly do T&G.
Good components but I had issues with changing the belts on the blower.
The alignment system doesn't work very well on mine so I added rails so the blower stays true when loosened.
Personally I won't buy another one.
Also it took forever to get it delivered. I'm in Florida so I drove the van to Pete because he offered free installation in lieu of shipping.
That turned out to be a joke.
The driveway was not level and he had no suitable bolts of plates for installation.
We ended up using 2 bolts and a couple of lag screws.
I did the full install back at my house.