To remove the old jets, use the jet wrench that comes with the conversion kit (or a socket on an extension bar). Then install the proper jets for your grill model. Remove the valve knob by pulling it ...

Q. I have a 2,500-square-foot Colonial with hot water baseboard heat. My boiler is 25 years old and in good shape. Last spring, after paying $5.50 per gallon for heating oil, I had National Grid ...