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Hello everyone, I'm working on my master bathroom. The attached picture is for a freestanding tub. I'm not very familiar with flat vents; is this allowed per code? My area uses 2015 Michigan Residential Code / International Plumbing Code. I used 2" because I read both 2" and 1.5" are...

Hey friends, I’ve chosen to use PEX-A Pipe / Expansion Connections for my current project (master bath). Is it wise / allowable to mix brand names? For example, Apollo, Sharkbite, & Uponor all make PEX-A Pipe and Expansion Connections… can these be mixed into one system? Thanks I’m advance for...

This is a huge help! Thank you.

I have one more question… can you place a vent / drain in an exterior wall? I live in a state with a cold climate. Thanks again for your help.

Hello everyone, Is it okay / does code allow for attaching to the vent stack in the attic? In other words, I don’t think it is practical / possible to tie into the vent stack in the “living space,” the attic would be much easier. I am re-plumbing a master bathroom (shower, sink, separate...

I’ve actually just been using a hose to test it... so no suds.

LG WT7100CW... I’ll call them today. Thanks.

I really screwed up on that first one, just threw it together without doing any research. But that makes sense, I'll also try a bigger AVV. Thanks. Do you think increasing the height of the vent line would make a difference? Would that allow more air flow?

Water was not coming out of the vent line when I removed the AVV... and no, I corrected the AVV placement, it is now 12" above the standpipe. That is a good idea, I'll raise the standpipe to it's max. I'll look into the discharge rate of the washer... but as of right now, the line is backing up...

Yes, I jackhammered out the floor, removed the trap, and connected directly. It is not double trapped.

The arrangement you see in that picture is no longer. I have corrected as everyone has suggested in previous posts-- it is done properly. I have already attempted to snake the drain without any change. It is hard to tell where the 2 in. becomes 3 in., but I believe it is less than 8 feet. I'm...

I tried removing the AAV when I rebuild the standpipe and water was still backing up. Are you saying that whether the vent is 12” or 12’ above the standpipe it wouldn’t make a difference? Thanks again for your help.

Thank you for all of the tips! I rebuilt the standpipe according to everyone's advice, but I'm still having issues. I think it's still not getting enough air. I'm going to try to extend the vent up into the attic space... unless anyone else has another suggestion?

Hello everyone, I recently put together a drain system for my washer (see attached picture). However, it keeps backing up... did I do something wrong? Please help! Thanks for your ideas and comments.

Great. Thank you.

Hello everyone, I recently winterized / blew out my sprinkler system. However, I would like to drain the residual water out of the supply line. To do this, I need to add a drain screw. The main supply line is PVC. How do I add a drain screw to a PVC line? I've added a picture of what I am...

Thank you. That is helpful to see the actual code.

Right... good point. Thanks.

Thanks for your response. My plan would still be to provide a ~42 inch riser... however, I would not add a p-trap above ground, I would just use the existing shower drain trap (underground - 2”). I am just trying to avoid breaking up all the concrete... to clarify... is it ok if I use the...

The shower drain is right next to a toilet, which is attached to a roof vent.