I have a Reddy garage heater that lights and runs for a handful of mins then shuts down. Can it be an oxegon sensor?

Problem by Tom: I have a Reddy garage heater that lights and runs for a couple of mins then shuts down. Can it be an oxegon sensor?
It is the non-vented type heater


Very best solution:
Answer by Large Johnsounds like you need to alter a thermostat if it has 1.

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