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I am installing a floor drain in an upstairs laundry room and need to install a primer valve. The drain I am using has a trap primer port inlet on the side of the drain near the top. I am installing...

I found the installation instructions for the mixing valve I was planning on using: http://www.forwardthinking.honeywell.com/related_links/water/amx_300/install/62_3112.pdf
This valve connects...

Is there any way to get a circulator system to work with a tempering valve (and not get super hot water in the lines)?

So it sounds like I could use the Grundfos Comfort System with the mixing valve and not have to add a dedicated return line. Is this correct?

Thanks!

Next question... Can a recirculating pump be added to this system? This valve has a cold water return inlet and the product manual siad this can be done if you add an aquistat and a temperature...

I am looking to install a mixing valve on our current water heater so I can increse the temperature to 140 to 150 and not be scalded. I was looking at the Honeywell AMX300 mixing valve that attaches...

The other issue I see with the drain waste recovery exchanger is that the vertical 2" line is at the other end of the house. Would I need to run a 3/4" line from the house input to the heat exchanger...

I like the idea of a drain waste recovery system, but I read that it needs to be installed on a vertical drain pipe, is this correct? We just have a crawl space, so everything under is horizontal. I...

I am looking to replace a 10 year old Bradford White conventional 50 gallon water heater. We are a family of 4 with two small kids so we take a lot of baths. Also, we have a dual showerhead shower in...

What defines vertical? Is it 45 degrees to the horizontal or more? If so, maybe I can slope that flat section up until I get into the wall.

Thanks for the feedback...

I have changed the fiitings below the flood line to all drain fittings. I like Terry's idea of using a wet vent for the lav, but I think it will probably be over 42"....

I am putting a small addition on the back of our house with a new bathroom. I was hoping I could get some reviews of my DWV layout. It is a simple bathroom with the vanity, toilet, and tub/shower.
...

I am installing a soaking tub with a roman tub faucet. The roman tub faucet has a pull-out hand-held sprayer with a braided stainless steel hose with threaded fittings at each end. The hose will...

I am plumbing the drain for a new bathtub and was wondering if it is legal to come out of a trap with a 90 (see attached picture). I am trying to clear an existing floor joist.

Thanks!

David

They are 2x10...

What about my "Shower & Tub DWV 4.pdf" idea above?

It seems a little redundant to have two vertical down to the crawl space, but I know you can't have two traps on one arm...

Are you talking about connecting into the horizontal drain line that I have shown in my "Shower & Tub DWV 3.pdf"? If so, I think that the line will be too high (I think the centerline is about 3"...

I like your idea, but I don't think it will work in this case...

There is a dining room below this bathroom, so I need to run the vertical up in the outside wall. Additionally, there is only a...

Ok... I think I came up with a way to get rid of most of the horizontals. I will run two vertical stacks (one for the tub and one for the shower) down from the 2nd floor and into the crawl space. In...

I have attached a floor plan showing where the fixtures and walls are located.

Let me know if you have any ideas.

Thanks again for all of the help!

Thanks for the description of a wet vent. Now that makes sense to me.

What do you think of my 2nd sketch? I think that is more of a conventional venting situation.

Thanks!

If my horizontal wet vent (or maybe flat vent) will not work, here is another idea. Please see attached sketch.

Thanks!

I was thinking that everything to the left of the shower was a horizontal wet vent which is allowed under the UPC.

Am I wrong on this? If so, any suggestions on how I can correct this?

Thanks!

I was hoping I could get some opinions on my DWV plan for my tub and shower. Please take a look at the attach sketch.

- I have two options (I think) for venting. Option A involves tying into an...

Thanks for the reply!

Instead of the sanitary tee on its back, is it okay to use a combo wye?

Also, is it okay to put a cap on top of the double fixture fitting?

I am remodeling our bathroom and am working on the DWV for the double vanity. I want to recess a cabinet into the wall right where the existing vent goes up. See attached diagram. I would like to cap...