Made with the Highest Quality Components Available 6 Months Unlimited Warranty Pressure and Computer tested for consistent Quality and unsurpassed reliability The Pilot Tube fits heaters and fireplaces including wall mount gas heaters, fireplaces, Gas logs and other appliances. The 099387-09 Pilot Tube is used on gas logs, fireplaces and wall heaters from various manufacturers. 099387-09 Pilot Tube is 19 inches long with a 7/16 x 24 UNS Male threaded fitting that screws into the gas valve and a M8 Female compression nut that attaches to the pilot assembly.