This AZ Patio Heaters Thermocouple replacement is easily installed to make your heater run like new. The thermocouple includes two connectors that attach to an anti-tilt safety device.
Sensor activates main control valve after pilot light is lit
Allows the main gas to be released
2 connectors for attaching to an antic-tilt device
18 Inch long, M8 (metric) connection
Will also fit Glass Tube Heater sold by Home Depot SS-GT BFC-A-SS