...thanks guys, appreciate the nice comments!
...Vaughn, the over all size is 25"L X 12"W X 10"H, and the brick work is foam board. I'll post some pics.
...John, the handles are from Ozark Miniatures, their white metal castings. The plumbing is styrene tubing and the plumbing connections are resin casts of Ozark Miniatures boiler parts.