- Versatile Thermocouple for low-pressure control valves: 600 mm length with an M8x1 headboard. Rated up to 50,000 BTU, this thermocouple sensor delivers precise temperature control for your patio heater. - Low operating pressure: designed to operate at a maximum of 65 mbar, with a 3/8" male thread for easy installation. The low pressure design enhances safety and efficiency of your outdoor heater. - Compatible design: includes a 40 mm diameter flat black Bakelite knob and a "D" connector, suitable for valve shafts from 6.0-6.1 mm. This compatibility helps ensure a proper fit across a variety of patio heater models. - Convenient installation: comes with a 900 mm copper inlet pipe to simplify setup. Valve stem measures 1155030 mm, with 5/8-18UNF (3/8" flare) inlet and outlet threads for straightforward installation. Use scenarios: - Replacing a worn thermocouple in a residential patio heater during seasonal maintenance to restore reliable flame safety and consistent heat output. - Retrofit for outdoor heaters in cafes, bars, or patios where precise temperature control and quick, low‑effort installation are required. - Replacement part for commercial outdoor heaters using valve shafts of 6.0-6.1 mm with a D-connector and Bakelite knob, ensuring broad compatibility and reliable operation.