| 摘要 |
The present invention provides a plumbing apparatus that includes an offset or tangential T-fitting providing for offsetting a branch pipe from a run pipe in end elevation view, and for the branch pipe to intersect the run pipe orthogonally in side elevation view. That is, the branch pipe may intersect the run pipe substantially tangentially, so that an arrangement of plumbing fittings and devices may be nested into a thinner wall or into a smaller dimension of space than would be the case if a conventional T-fitting were employed. By use of the inventive T-fitting a considerable savings in materials of construction may be realized in the construction of swimming pools and spas, for example. Particularly, the present inventive offset or tangential T-fitting provides for the installation of bubble jet fittings and associated piping into a comparatively thin (i.e., about 6 inches thick) dam wall between a swimming pool and spa.
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