Can I Use A Studor Vent For A Washing Machine Drain

I ve been using them for years and never had a problem.

Can i use a studor vent for a washing machine drain.

Sep 8 2015 how to plumb drain line for washer and vent with studor vent google search. Whether you vent or not make sure you always use a drain trap. Studor vents are not against the codes in the code book it is up to the plumbing inspector weather you can use the studor vents are not. I ve included the proper pipe sizes for the system.

Sep 8 2015 how to plumb drain line for washer and vent with studor vent google search. Aavs can be used to service an individual fixture or several what s permitted depends on local code and the model being used units like the redi vent can accommodate a mere 20 dfus drainage fixture units while large units like the maxi vent can handle up to 500 dfus. Often when a bathtub shower or washing machine is bubbling or gurgling either a studor vent needs to be installed or an existing vent is locked in the open position. Studor aavs installed in attic area must be located a minimum of six 6 inches above the ceiling insulation.

No vent unless mandated by building codes if there s a gap around the drain tube for the washing machine where it enters the drain you probably won t need to install a vent as there will be ample air to prevent the formation of a vacuum. If the entire cross section of a drain is able to fill with water downstream of the trap a siphon can be created for a sufficient period of time to pull enough water out of the trap to render it ineffective. Aavs are most often found under sinks especially island sinks and in basement bars or bathrooms. The pipe that drains the lavatory sink is 3 inch in diameter because that drain line also acts as a vent for the toilet.

A vent is supposed to maintain air in the cross section of the pipe to prevent a siphon from forming. Step 1 use the studor maxi vent on drainpipes from 3 to 4 inches the vent is manufactured primarily for commercial buildings and is the largest one made by studor with a correspondingly large venting capacity. E plumber ny i believe that our code nys ipc does not permit aav s to be installed on any fixture that utilizes a pump to discharge waste water. I would suggest raising the stand pipe to 30 and having the drain line snaked and cleaned.

The dashed lines are vent lines and note the one vent line for the half bath is a full sized 3 inch vent that goes up and through the roof.