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Unanswered Questions

6,519 questions with no upvoted or accepted answers
7
votes
3answers
659 views

Basement Bathroom Plumbing - Rough in Backwater Valve

I am trying to figure out how in the world to frame this basement bathroom. As you can see from the image, there is a backwater valve that would end up right in the middle of the room. I know that ...
6
votes
2answers
371 views

Per IRC, are flexible PVC couplings ever allowed to be used above ground for PVC to PVC connections?

It is my understanding that flexible PVC couplings (e.g. Fernco) meet the definition of Mechanical Joint in the international residential code. The 2015 IRC prohibits the use of Mechanical Joints on ...
6
votes
1answer
745 views

Is LP gas trapped between the shutoff valve and the pipe end cap potentially dangerous?

I am renovating my fireplace that was original to the home built in 2007. It was not to our liking, so I am doing a resizing to make it fit better in the room. In doing this I needed to change the ...
6
votes
1answer
144 views

Halogen light stops working when cover is installed

I have an under-counter halogen light (jc / g4, 12 watts) that doesn't work. If I remove the glass safety cover (might be called the lens) from the light socket then the light works fine, and will ...
6
votes
2answers
228 views

Damp concrete floor in bedroom

Had water overflow into bedroom and closet. New laminate floor removed. Concrete floor has glue strips from another flooring that is sticky in some places. Will thoroughly clean with as little water ...
5
votes
2answers
271 views

Is there a recessed floor box for a water supply?

You know how they have those floor boxes that set in concrete with a flush cover, and when you open it there's electrical outlets inside, but when closed it's flat like the floor and not in the way? (...
5
votes
1answer
139 views

Adding a C wire to older 3 wire

How do I use the green wire as a C wire as suggested in most installation instructions for the newer wi-fi thermostats? They all reference terminal strips at the furnace, all I have is the 3 wire ...
5
votes
3answers
2k views

Why does hot water only run for 30 seconds in bathtub?

In the bathroom of this rental is a tub with a shower diverter. It's an older setup with a hot & cold faucet and a center valve (one direction diverts to shower, the other to the tub faucet). If ...
5
votes
3answers
718 views

What is the proper way to convert a pair of three-way (SPDT) switches into a single two-way (SPST) switch?

I'm in the process of replacing some of the light switches in my house with smart switches, Wemo Light Switches in this case. I've had no problem with the replacement of my One-way switches (SPST I ...
5
votes
2answers
254 views

What should be used between a concrete tub and wall tile?

I have an older home that has a large, decorative concrete bathtub/shower with tiled enclosure walls. The walls behind the tile and tub are poured concrete. (Yes, the house is very sturdily built.) ...
5
votes
2answers
7k views

What could be causing vibration in my furnace?

I have a vibraton in furnace only when flame is lit. Blower motor seems fine. Is this vibration normal? Recently replaced inducer motor. Heat exchanger has been replaced once. Does not appear to be ...
5
votes
2answers
900 views

Are there any advantages to using higher priced sealers?

I want to use a water based sealer on my pavers to bring out the color and also for some resistance against dirt and fading. I went to the store and saw sealers varying in price from about $11 per ...
5
votes
2answers
1k views

How would I ground an internal ethernet surge protector?

I have a Cat-6 cable running to an external PoE security camera that I'd like to have surge protected, but I'm unsure how to ground the protector. It has a prong coming off that I assume is the ground ...
4
votes
1answer
230 views

Why is one mounting screw left behind each electrical panel's cover?

I have three electrical panels in the house and with each one, one of the face screws is under the cover as seen in the picture. So it's clearly intentional. What's the purpose of it?
4
votes
1answer
228 views

What kind of sound input socket is this?

I have this surround sound system at home that is very old and have these strange sound input sockets that I have never seen before. Does anyone know what kind of input socket this is?

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