• Easy pre-set up time as consumer's desire by simple operation to open the medium valve.
• Very economical by adopting mechanical timer because of the possible operating without interruption during power failure.
• Time control (longer or shorter) is possible during in use.
• Easy installation by bolt.
• Fuse-Cock function by the open/close gas valve.
• Possible long time operation

1) Time Set Up

If set up times, the gas valve is opened.
(ex. 45Min. time set up as illuminated on the left image)

2) Failed Lock-up Gas

In case of failing lock-up gas due to "going-out" and any other reasons.
(the timer works continually as the time goes by as illustrated on the left image.)

3) Locking-up

(when pre-set time comes to end)
If the time of gas keeper comes to end, the gas is interrupted at medium valve. (the time on the left image comes to end, free from danger of any accident)