Preway gas products were built just 46 miles southwest of Wausau, in Wisconsin Rapids, until the early 1990's, when the company went out of business IIRC.
I have had one of these tucked away for years to use in my miracle all gas kitchen that i am building out on my screen porch. Its quite unique in construction it uses a spark plug like a gasoline lawnmower for the ignition of the supercharged gas burner. It blows out quite a bit of heat from the lower front grille when heating water not some thing i really would want in my kitchen in the sumer but should be fine out on the porch.
Neat concept to super-heat the wash water. Didn't Whirlpool have a gas heated dishwasher, or have I inhaled too many POR15 fumes??
The electric Preway machine sure looks like a DM roto-rack to me!
John, I hope you get that screen porch kitchen finished this yar. Glad you tucked one of these away--vaguely remembered you having one of these. I think Brent is the only one I know of thus far who had exposure to these while growing up!!