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When I laid out the components I mentioned to my wife I thought the PRV should be located on the secondary output side of the Taco X-Pump Block, but who am I to disagree with the Taco design...

The system schematic shown in my post above is from the Taco X-Pump Block installation manual. I am just following the instructions from Taco’s design engineers for the placement of a check valve in...

I am finally ready to move ahead with the supplemental heating system for our master bathroom tile floor. The Joist Trak has been installed in the joist bays below the master bath and the 1/2” Uponor...

Good Evening Terry,

Thanks, I now understand you are not permitted to wet vent the 2” drain for the standpipe. I also got my hands on a copy of the chapter on venting from the California plumbing...

Terry,

I have to go to a meeting, but I will get back to this thread later this evening. I appreciate you trying to help.

Howard

Terry,

I don't understand. Why is the sink considered wet vented? The Studor AAV attaches to the top of the santee for the sink.

HJ,

They fit fine. The top of the sink is at 37-1/2" and the center line of the existing 2" horizontal drain is at 11-1/2". There is 6" between the bottom of the basket strainer and the top of the...

I am in the process of installing a sink in my garage and I will be trying the drain into the 3” vertical drain that services a toilet, tub and sink in the bathroom above. There was a standing pipe...

I am in the process of replacing and moving my water heater from the upstairs laundry room to our garage. I am installing an AO Smith Vertex water heater and I see I need to provide a method of...

Thank you for your reply. I am still considering the Vertex, but your experience with the heat exchanger has me concerned. I snipped the following from HVAC-Talk.
...

I am thinking about installing a GE GeoSpring water heater in my garage and stopped by a Sears store to check out the product. I see there is a removable cover to allow access to the heating elements...

I see the AO Smith Vertex GPHE-50 has been out for a few years now and I would like to know if anyone has had any experience with installation and reliability.
...

OK, I will drill 3/4” holes and use the sealant you recommended.

Thanks

What size holes should I drill for 1/2” copper supply lines penetrating 2x top plates and sole plates and how should they be firestopped.

Thanks

I want to locate a new 30” sump basin in our crawlspace. The old basin was a temporary means to pump out water while we determined the source of the water infiltrating our crawlspace. At the same...

I talked with a structural engineer yesterday and he said any of the options above for the attachment of a beam to a CMU wall are acceptable. Based on some efflorescence on the CMU wall I am hesitant...

Our townhouse experienced significant damage to the framing in the crawl space due to water infiltration. We spent the last two years investigating where the water was coming from and believe we have...

One more question. Are there general guidelines on how high the horizontal 1-1/2” drain line that exits the wall and connects to the kitchen sink trap should be from the floor? We don’t have the sink...

Thank you or your comments. So tying the sink drain line into the 2” washer drain line is not permitted. You are also recommending we stay with a 1-1/2” drain for the sink and trap. How about using...

We had to rebuild the foundation and floor under our kitchen and disconnected the existing plumbing to do the work. Below is a picture of the stud wall with the disconnected plumbing. I inserted some...