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Anonymous users2024-01-24No, this is due to the fact that the check valve does not play a role, and the air flow in the air duct causes the impeller of the exhaust to rotate together, indicating that the resistance of the bearing of the exhaust fan is relatively small, and the exhaust fan can continue to be used normally.
There are several possibilities for the kitchen exhaust fan to turn but not exhaust smoke. >>>More
If the machine is fine, it means that there is a problem with the air duct and the sound caused by the return air, but this possibility is relatively small, and most of them are due to the machine wiring or power supply problems.
Parallel connection. It is generally connected in parallel. That's right. Do you like Zhilong and TOP's Sippi? What I like is Canbai said.
The exhaust fan is to expel the odor from the toilet, so the wind should blow outward.
Most bath bombs are equipped with an exhaust fan. Some feel that the exhaust airflow is small, and a separate exhaust fan can be added.