The Maxi-Vent eliminates roof penetrations and can be used with the Mini-Vent to vent an entire building without the need for passive vents pipes. … The Maxi-Vent is discreet – it can be installed in the attic area, or even below the flood level of the highest connected branch.

How does a Durgo vent work?

How does a Durgo valve work? Durgo valves are activated once wastewater is sent to the waste pipe. As the pipe fills with negative pressure, the valve will open and allow air into the pipe. Once the pressure is equalized, the valve will close, which is what prevents unwanted smells from escaping and entering the home.

Are studor vents allowed in an attic?

Yes, a plumbing vent can terminate in the attic. But it must have an air admittance valve at the termination to keep noxious sewer gas fumes from rising into the attic. … Also, the air admittance valve must be at least 6-inches above the attic insulation, and there must be at least one other vent that extends outdoors.