sgolembiewski09ExplorerAug 27, 2019How to test my furnace and water heater?I recently bought a 2005 Keystone Cougar from my neighbor. He says everything works, I believe him, but like to see for myself. The only things I have been unable to figure out how to test are the fur...Show More
time2rollNomadAug 27, 2019Connect water to the RV inlet. Run the hot water at the sink until no more air comes out. Could be full already.