The Garland 2200600 18″ Metric Thermocouple is a reliable OEM “SIT”-type safety component used in Garland commercial gas ranges and griddles. It features an 18-inch stainless steel probe and a 9 mm (M9-1.0) threaded fitting for secure installation. This thermocouple converts the pilot flame’s heat into a small voltage (typically 20–30 mV), allowing the gas valve to stay open as long a... https://www.partsfe.co.uk/garland-2200600-sit-type-18-metric-thermocouple