HTW SETA Manual Del Usuario página 28

Change the gas cylinder in a well ventilated place, away from any source
of ignition (candles, cigarettes, other appliances that produce flames, ...);
To check that the regulator gasket is correctly positioned and able to fulfil
its function.
To avoid obstructing the ventilation openings in the cylinder housing; To
shut off the gas supply at the gas cylinder valve or regulator after use;
In the event of gas leakage, the appliance shall not be used or, if lit, the
gas supply shall be shut off and the appliance investigated and rectified
before being used again;
The recommended frequency of checking the pipe or flexible hose (at
least once a month and every time the cylinder is changed). If it shows
signs of cracking, splitting or other deterioration, it shall be replaced with
a new hose of the same length and of equivalent quality;
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