Ventilate before use

Before using city gas, open windows to let fresh air in.

Close valve after use

Close main valve of gas meter during excessive absence, close burner tap and intercept valve.

Check for blue light during use

Verify blue light

Conduct ordinary checks at all times

Put soap water on pipeline, and intercept valve in order to check for gas leaks.

Pipeline

Condition checks in joint areas or for damages.

Intercept Valve(Fuse tap)

Check for malfunction or damages.

Gas Meter

Conduct condition check on both installment and joint areas.

Boiler Room

Conduct condition check on ventilation point, hood and outlet.