The heater doesn't care which hose is connected where at the heater. It'll work either way, so you could just switch the heater hoses at the heater and run the hoses without crossing them.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.