universalblue UBE2410-21 Manual De Instrucciones página 46

Valve adjustment
The valve adjusts the control knob. The knob must be set to the flame
saving position ON. Remove the knob and adjust the flame with the
help of a small screwdriver.
Checking the flame setting
Heat the burner with the knob in maximum position for 10 minutes.
Then turn the knob to the saving position. The flame should not be
extinguished or moved over the nozzle. If either of these two
situations occurs, you will need to reset the valve.
Note: it is the user's choice whether to convert the unit to another gas
type. A person trained and authorized by the supplier must make this
adjustment.
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