59+ Bathroom Vent Pipe Pictures. Easiest way to vent bathroom plumbing. When you flush the commode or drain the tub, wastewater pushes the existing air in the pipes and.
Surprisingly, bathroom fans are not required by some building codes.
The plumbing vent, also known as a vent stack, helps regulate the air pressure in your plumbing system. The 2 pipes, one a 4″ (master) and the other a 3″ (2nd) do not go through the ceiling but into a common box that goes through the roof. Because the vent pipe is the warmest pipe in the house all year long, the moisture that is trapped in a bend may turn to vapor and cause a vapor lock. Thousands of diyers successfully tackle the job every year, and so can you.
