Hello!
You're visiting the Easy Appliance Parts site in U.S.
Would you like to shop on the Canadian site?
Burner valves are attached to the main gas line. When the switch is turned the gas then flows into a tube that mixes with air, creating the appropriate mixture for ignition.
This is not the exterior piece of glass for the oven door.
This Harpco style gas oven thermostat has a capillary tube and is intended for use with many spark ignition model gas ovens.