<strong>Yahoo Message Number: 6922</strong>Friends Called and want to go RV "Kamping" tonight in Oregon. Got down to mid-20's last night in Portland. So I had the Hydronic Heating set at 45 deg. Was concerned about engine warmth this morning if we go today. It is 45 deg outside rigth now at 10:00 am. I was going to plug in the Engine Block Heater. I checked the anaolg and Silveleaf...