Frontgate Professional 38" Grill "srph02" Questions

charmflow patio heater will not fire i have a charmglow patio heater model # SRPH02 and the pilot will light and stay on but when i turn the knob to fire the burner the pilot will extinguish.why? turn

...turn the gas up then the pilot goes out any help with that? I have a Charmglow Patio Heater Model SRPH02, it needed a Thermocouple and searching the net was hard to find an ariginal part, but here ...