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There will be no problem, you can buy a methane test hanging, and the alarm will be given when the concentration reaches a certain level!
The national standard does not allow pipes to have taste, but there are all kinds of pipes on the market, this is our China, and no one can do anything. >>>More
1. Find the place where the water is leaking. When the water pipe leaks, the wall is wet, and you can still see where the leak is. The water is from the top down, so if you look all the way down the wet marks on the wall, you can still find the leaky pipe. >>>More
You can use adhesive tape.
It is estimated that the sewer is not smooth, so hurry up and find someone to dredge it, don't wait until it is blocked.
To be on the safe side, don't do it. After all, the water heater burns natural gas and will have an open flame. If the cover is on, there will be a safety hazard. Safety first