The Blue Flame Multifunctional Valves patent pending design, allows the installer to preset the BTUS prior to installation, for wood logs 22,000BTUS, small artificial log sets 44,000 BTUS and large artificial log sets and fire pits, up to 270,000 BTUS, One valve, many functions, Blue Flames Multifunctional Valve is a 0, 5 valve with a 0, 75 throat, Quickly adjusts to a 14 turn valve for wood logs at 22,000 BTUS, Adjusts to 44,000 BTUS for small artificial log sets, Works for large artificial log sets and fire pits with a maximum BTU rating of 270,000, CSA Certified for fireplaces, Installation instructions included, Actuation: Manual, Assembled Depth: 0, 5, Assembled Height: 4, 25, Assembled Width: 1, 25, Compatible pipe material: Brass, Connection: Screw on, Material: Brass, Maximum pressure psi: 0, 5, Maximum working temperature F: 125, Minimum working temperature F: 32, Pipe and Tubing Product Type: Valve, Rating: 125 psi, Valve inlet diameter: 0, 5, Valve outlet diameter: 0, 5, Size: 0, 5, SKU: CTRY059