The kitchen window is always open, but the gas valve is not closed, is it dangerous?

Usually do not need to turn off at home, turn off the butterfly-shaped switch every day before going out to prevent the pipe from accidentally breaking and leaking. If you are not at home for two or three days, turn off the long switch. Don't turn off the switch every time you don't use the gas, and it is easy to break if you switch it frequently. >>>More

There is no such name. Ponder your name and wonder if you're asking about the ignition? >>>More

There are many ways to do this:

Add a decorative cabinet, purely decorative, only require to cover the pressure reducing valve, and do not affect the gas pipeline; >>>More

No,maybe your grandmother doesn t understand the dangers of that thing You re doing the right thing

Don't check it yourself, find a gas company to check it, usually a hose or excuse for a problem.