Attached are photos of the control knob for a post-1932 Harrison hot water heater in my 1932 Confederate. I've just gotten a proper 1932 Harrison for the car, but am wondering if this control knob is correct for that model?
That knob and switch is not correct. A three position toggle switch was originally used. Center off, one way had a resister that gave low fan speed, other way no resister and faster speed.
If you were a VCCA member you could search the club G&D magazine for an article on installing the heater. You should be able to search this site for the listing of the year and month of the article. I wrote it but don't remember which issue and am not home to look it up.
The installation instructions are also available in the Sept.1931 Service News Publication. I suggest you obtain the 31and 32 Service Bulletins as there is lots of pertinent info in them. I believe reprints are available from ; The Filling Station- www.fillingstation,com The parts book (Aug edition) and service manual along with the Fisher Body Service Manual 29-31 and 32 Supplement are also good investments if you do not already have them.
Thanks for the tip. Much of the black wrinkle finish is missing from the one I have thanks to rust. I don't know how to replicate that once I get the rust off. Probably just a flat black paint, since the heater hardly shows anyhow when installed?
I see in an earlier post that you have or have had a lot of 1932 Harrison heaters and parts? I found one on ebay and bought it. Seems to be in pretty good shape, and the motor still purrs nicely. I cleaned it up, painted it with black wrinkle paint, and installed it according to the instructions in your G&D article. One thing. The "radiator"--for want of a better term--is damaged. Looks like pot metal and it is split, so water would never pass through it. You don't happen to have one of those to sell? Also, even though I doubt I would ever actually use the heater, I am curious what items I would need to have to have it properly connected to the engine, and if those are available.
Contact John Potter, a VCCA member, he told me he was making some more heater cores as he sold all he made and finds he needs one for a heater he owns. He can be found by a member search on the vcca.org website.