This family of valves has been designed to meet the multiple requirements of the, OUTDOORS FIREPLACES, FIRE PITS, TANK TOP HEATERS and PATIO HEATERS..sectors. They have tapered plugs, with thermoelectric interlocks, certified for the international market (CE, AGA, IGA, CGA, BRITISH STANDARD, etc.) Turns: 0?-58?-47?-40?-55? / 0?-60?-70?-70? Usage temperature: 0-80? C Flow: 40, 000 BTU Max. pressure: 50 mbars. Piezo-electric: optional. Aplications: Patio heater, fire pits, outdoors fireplaces, tank top heaters