【HVAC Version】Daily Question 20171027
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This post was last edited by hesonchang214 on 2017-11-8 09:31. The installation of faucets and floor drains should be even and secure, with them positioned below the drainage surface; there should be no leaks at the surface. The height of the water seal for floor drains must not be less than ( ) mm. Answer: 50
The installation of drain faucets and floor drains should be level and secure, below the drainage surface, with no leaks around them. The height of the water seal for floor drains must not be less than (50) mm