Top of 4 story 12 apt building in bathroom and living room are both loops like in picture shown . I was assuming the trap discharged into smaller line . But then ive never seen that kind of trap where the disc is vertical , i was assuming all angle traps discs sat horizontal . And if you know whag kind of trap whats the name as all the hoffmans and mepcos i have used in past are set up different . ![]()
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