Spiral 90-degree elbow

Before you start

• Dry-fit the elbow before you commit.
• Confirm the rotation is achievable in the space you have, and confirm the elbow clears structure, conduit, and any access zone.
• If you are using the elbow to solve a problem that actually needs an offset, stop and get the fitting you need.
• Stage the needed tools and materials before lifting the section: Elbow, hangers for the elbow and both adjacent sections, sealant or gaskets, screw gun, fasteners, level, tape..

Lay it out

1. Support the elbow AND the adjacent straights independently. An elbow is a heavy fitting; it does not hang on the pipe joints.

Set and support it

1. Support the elbow AND the adjacent straights independently. An elbow is a heavy fitting; it does not hang on the pipe joints.
2. Use the approved support method for this condition: Hanger at/near elbow plus adjacent run supports.

Make the connection

1. 1

   Dry-fit and confirm the rotation before you seal anything.

2. 2

   Seat the first connection fully.

3. 3

   Align the elbow in ONE plane. An elbow that is twisted out of plane makes both straights fight you and the run comes out crooked.

4. 4

   Seat the second connection.

5. 5

   Seal and fasten evenly around both joints.

6. 6

   Confirm clearance from structure and from any access panel or service zone.