----- Original Message ----- From: Aleksander Mierzwa <alexaudi@kki.net.pl> > I noticed a shiny, metal _manual_ valve installed as a heater valve. Yes, > the type you can get from plumber's supply store :-) Want to have heat? > Pull over, open the hood and turn the valve :-) Actually how a number of pre-war British cars controlled their heaters. Jim Haseltine