Fittings shall be installed to guide sewage and waste in the direction of flow. Change in direction shall be made by fittings installed in accordance with Table 706.3. Change in direction by combination fittings, side inlets or increasers shall be installed in accordance with Table 706.3 based on the pattern of flow created by the fitting. Double sanitary tee patterns shall not receive the discharge of back-to-back water closets and fixtures or appliances with pumping action discharge.
FITTINGS FOR CHANGE IN DIRECTION
|TYPE OF FITTING PATTERN||CHANGE IN DIRECTION|
|Horizontal to vertical||Vertical to horizontal||Horizontal to horizontal|
|Combination wye |
and eighth bend