Amazing Toilet Vent Distance
Vent pipes shall be not less than 1 1 4 inches 32 mm in diameter.
Toilet vent distance. This means that the vent has to be able to feed into the drain line within 6 feet of the connecting trapways. Click to see full answer. The required vent shall be a dry vent that connects to the building drain or an extension of a drain that connects to the building drain.
When builders look only at the table without reading the text they find that a 2-inch-diameter drain can run a maximum distance of 8 feet to the vent. From what I have gathered if a toilet with a 3 in drain line is within 5 feet from the vent it meets code and should be acceptable. Such vent shall not be an island fixture vent as allowed by Section 913.
They may also see that the slope column references 14 inch per foot but they are likely to assume that its just reiterating the minimum allowable slope for a 2-inch drain. When installing your vents its highly recommended that you plan out your drain lines to minimize the risk of clogging. Its advantageous to design the plumbing so that the toilet is within this distance of the soil stack so the toilet can be vented by the vent stack.
And heres how the UPC wants this measurement taken. Youll now need to take a tee fitting and install it to the drain line with the use of PVC glue where the line meets the wall. Tie the waste line from the new toilet directly into the stack if the toilet is within six feet of the stack and the waste line is 3 inches in diameter.
Measure from the face of the closet flange along the centerline of the pipe to the inner edge of the vent opening. The company does not cite a. In other words for the vent to work properly it needs to feed into the drain line within 6 feet of the trapways that connect to it.
Moving it to the other side of the room would put the overall distance at 6 feet from the bathroom vent. If your drain is 4 the max is 10. The required vent shall be sized in accordance with Section 9162 based on the required size of the building drain.