Hot water heater relief valve too short, can I use a coupler?

Discussion in 'Water Heater Forum, Tanks' started by plaidacid, Aug 15, 2013.

  1. plaidacid

    plaidacid New Member

    Messages:
    1
    Location:
    Philadelphia
    Can I just extend the existing pipe for my hot water heater relief valve to extend it to be within 6in of floor?

    Would adding the additional pipe and coupler still meet code, or do I have to replace the entire vertical pipe? The valve starts at the top of the heater and has one 90 degree elbow with 2 or so feet of pipe directed at the floor, it needs to be 20 inches longer.
  2. Terry

    Terry Administrator Staff Member

    Messages:
    15,422
    Location:
    Bothell, Washington
    A coupling would be fine to extend the relief line.
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