Decided to go for it and purchased a diverter for a m35a2. Hopefully the installation isn’t too big of a problem.

Thanks for the reply. I have the manual for the heater and have looked at the M35a2 diverter but not sure what would be required to make it work. Looks like $30-60 price range for the ones I have found.

Thanks for the reply. Yes I have contacted these suppliers with no luck.

Hello, I know this is a long shot, but I need the hot water heater diverter that goes under the dash that diverts hot air to the defrost plenum. Looking for the tubing for this heater as well. I live in Pana, IL thanks.