Back to Back 45 Degree Offset in Drain Line

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by louk, Jul 19, 2008.

  1. louk

    louk New Member

    Joined:
    Jul 12, 2008
    I need to offset a 1 1/2" drain line in a wall to clear a 4" dryer vent just below the floor. The dryer vent and drain have to live happily together in a very tight joist space. Basically I need to take the drain from the front of a 2x4 wall to the back.... an offset of about 1.5 inches.

    Is it OK to use back to back 45 degree street elbows similar to Charolotte 323 ell?
     
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