How 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...
Forum Discussion
sgolembiewski0903 wrote:Not if you open it first.
Do I need to be careful when using the pressure relief valve?
