Gast To Fireplace. Connect to the 1" line from the gas meter going into the home and install a tee and shit off valve. From the shut off valve install new 3/4" black iron gas piping from the meter to the new location of the fireplace. (approximately 35') Install second valve at the fireplace and connect the supply line from the fireplace to the new gas line. Paint all piping to protect from the elements.