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Since I think that the location is a problem, I can only do this, it is recommended to use a PVC pipe outside the exhaust pipe to cover it again, and add more layers of protection!
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Don't worry too much, there's nothing dangerous, the only thing to focus on is not leaking.
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There is a large amount of carbon dioxide and a certain amount of carbon monoxide and other harmful gases in the exhaust smoke of the gas water heater, if it passes through the bathroom, it is easy to accumulate toxic and harmful gases in the bathroom space due to problems such as broken smoke exhaust pipes and air leakage, which will cause harm to people and even cause danger. >>>More
Pay attention to the quality of the pipes when installing, try to bend as little as possible, and do not have interfaces, because the ceiling will not be inspected after the ceiling, so as to minimize the possibility of hidden dangers in the water heater will give you the door-to-door installation of the cracked one, please ask them to install more professional, more assured.
It's no problem to walk in the shed, if there is a condition, you can use a seamless steel pipe as a sheath pipe outside. If you use an aluminum alloy ceiling, you don't need special protection. If you use PVC ceiling, you need to do sheath treatment.
This is basically no problem.
The main thing is to consider the safety of bathing in the bathroom, and the ventilation safety is solved, and the people are safe, which is not the biggest benefit. >>>More
This is best to be protected, and it is generally enough to wrap it with fireproof materials. This is mainly done just in case.