31 votes

Is it safe to have a drain in the floor out to the septic tank with no trap?

There may be a trap but if no water was put in it won't stop the smells. Contractors sometimes forget to add water to floor drains. The water will also eventually evaporate from the trap if there is ...
George's user avatar
  • 411
25 votes
Accepted

Is it safe to have a drain in the floor out to the septic tank with no trap?

NO NO NO. It's not safe. Your plumber was completely incompetent or negligent to do that. It definitely needs a trap. I would make him fix it.
George Anderson's user avatar
24 votes
Accepted

How do I tighten this appliance's valve?

That appears to be cross-threaded. i.e. the threads on the male and female parts are not correctly engaged with each other. The parts should be straight to each other, not off at an angle like that. ...
Ecnerwal's user avatar
  • 214k
23 votes
Accepted

Installer won't install dishwasher due to "old" stop valve

Capsule summary of the comments: Your old valve should probably be replaced with a new quarter turn ball valve version. Those old valves wear out and break your heart when it really matters. Report ...
23 votes
Accepted

Do I need to replace this valve that a plumber claimed needed to be replaced?

Yes, it needs to be replaced. It is severely corroded and will probably fail when the pipe is replaced. It looks to be a 3/4 inch gate valve, and a new one will be cheaper than having to take the ...
Mike Schroedel's user avatar
23 votes

Is it safe to have a drain in the floor out to the septic tank with no trap?

A water heater drain should never drain to a septic tank. One purpose of the drain is to reduce or eliminate water damage to your home in case the tank leaks. However, if the tank develops a fast ...
Jeff Wheeler's user avatar
  • 3,382
16 votes
Accepted

Can't find a garden hose that fits

That is not a standard garden hose fitting. Instead it looks to be part of a anti-siphon adapter where the other part was unscrewed to reveal the inner section of the unit. The regular hose thread ...
Michael Karas's user avatar
  • 64.6k
15 votes
Accepted

How can I add valves to supply lines when the lines are soldered to the faucet?

This isn't a very difficult job for a new diyer to tackle. You'll only need some basic tools in addition to a pipe cutter and deburring tool. Here is what needs to be done: Installing the Shutoff ...
HoneyDo's user avatar
  • 8,754
14 votes
Accepted

What is the best way to permanently bond a driver tip to a stuck screw head?

The torque required to turn the screw will be too great for any of the locally purchased epoxies. Take a rotary tool, like a Dremel, with a cutoff wheel or a hacksaw and deepen, widen the slot on that ...
JACK's user avatar
  • 80.5k
13 votes

Corroded Water Shut Off Bolt/Lever - Is this okay for now?

That's a ball valve and they are pretty good valves. At this point, I'd just wire brush all the rust off and clean up the valve. Then test the valve to make sure it operates smoothly and totally turns ...
JACK's user avatar
  • 80.5k
13 votes

Temperature Pressure Release (TPR) Valve Leaking

After a couple trips to Home Depot I learned that I'd have to cut a section of the pipe out, and re-attach it with a SharkBite coupling The guys at Home Depot told me another alternative was to un-...
SDSHuge2.0's user avatar
12 votes
Accepted

Is it necessary to shut off the water supply to a radiator in order to replace a radiator valve?

You need to drain the water from the heating system, effect the remove and replace, then refill the heating system. Some circulating-water heating systems are filled with tap water from the home's ...
A. I. Breveleri's user avatar
11 votes

How can I seal the gap around a valve handle in drywall?

There are ball valve stem extensions available, or you can make your own fairly easily. Extend the stem about 1/2". Now get a standard low voltage wall opening kit with expanding wings. Cut the ...
gbronner's user avatar
  • 5,593
11 votes

How to remove this water shut off valve under the kitchen sink?

That plumbing is PEX which uses compression fittings. You have two styles of compression rings on it, the black-ish ones with the aqua copper corrosion are "copper crimp rings" and the ...
Fredric Shope's user avatar
10 votes

Installer won't install dishwasher due to "old" stop valve

You should update this valve now that you are in there installing a new dishwasher. The dishwasher purchase, "with installation" correctly does not include updating your plumbing. It is ...
jay613's user avatar
  • 37.4k
9 votes

How can I add valves to supply lines when the lines are soldered to the faucet?

HoneyDo has a great answer; I'm putting extended comments here with some photos of one of my bathroom sinks with a new faucet installed last year. I would just note that I like to spend extra and buy ...
Armand's user avatar
  • 4,428
9 votes
Accepted

Any risk in installing a one-way valve?

You might start having problems with water hammer after installing a valve. If a valve* is turned off suddenly, it can cause a spike in pressure in the pipe behind it. Without a non-return valve, ...
Simon B's user avatar
  • 3,948
8 votes
Accepted

Is it possible to control water pressure using a ball valve?

To answer your question; A ball valve only controls flow not pressure. A few seconds after water is flowing a ball valve will limit the pressure based on the flow. A pressure regulator requires no ...
Ed Beal's user avatar
  • 103k
8 votes

Is it necessary to shut off the water supply to a radiator in order to replace a radiator valve?

Heating systems can vary by region. I have answered this from a UK perspective as you appear to have bought from B&Q. If the broken part is the white thermostatic cap, then it would be much ...
James's user avatar
  • 593
8 votes
Accepted

Adding an additional stop valve to existing supply stop valve

Add-on Stop Valve: The downstream add-on stop valve you are looking for is called an inline "repair stop valve". Its upstream end has a captured nut and seat to exactly fit on the "...
Armand's user avatar
  • 4,428
8 votes
Accepted

Replacing leaking valve where the only upstream source is at the hot water tank itself

You aren't going to hurt the water heater by turning off the hot water outlet, that's what it's for. That pipe in the middle is your pressure relief if anything did happen. As far as water draining ...
JD74's user avatar
  • 1,824
8 votes
Accepted

Hot water heated T&P valve fully opened itself flooding my garage

Yes, it is safe to assume that the T&P valve has failed and needs to be replaced. Even without the flood, a constant dripping is a sign of a problem. However, that leaves open the question of ...
manassehkatz-Moving 2 Codidact's user avatar
7 votes

What is this copper ring insert in my sharkbite supply valve?

Here is the correct answer to the question as it is written. The copper ring is a ferrule, which is part of a compression fitting. You absolutely need the copper Ferrule for a watertight connection,...
Alaska Man's user avatar
  • 13.6k
7 votes

How can I seal the gap around a valve handle in drywall?

How about a split flange, they come in different sizes. You could pack the opening with steel wool or insulation to seal the hole.
Steve Wellens's user avatar
7 votes
Accepted

Why does the water from my shower get hotter when I use a shut-off valve?

Let's flesh this into an answer. This happens with my kitchen faucet and one of those "quick-flip - not quite total shutoff" valves that screw into the aerator. My guess is that some hot ...
Ecnerwal's user avatar
  • 214k
7 votes
Accepted

What happens to quarter valve when I don't turn it on/off completely?

A quarter-turn valve is a poor choice for metering (controlling the flow, as you want to.) They are best for "on/off" operation but plenty of folks use them for flow control anyway. The ...
Ecnerwal's user avatar
  • 214k
7 votes

Any risk in installing a one-way valve?

and then strong air pressure kept the water meter running That wasn't air pressure. Where would the air even be coming from, unless you have a constant leak??? Or left a faucet wide open after ...
Harper - Reinstate Monica's user avatar
7 votes
Accepted

Leaking Bathroom Sink Water Supply Valve

That is typical of a valve stem packing leak. It's a typical old-age failure (maintenance issue) for a stop valve of the screw actuated type, since they are rarely operated and the old packing can ...
Ecnerwal's user avatar
  • 214k
7 votes
Accepted

Hydronic heating system uses ONE line for supply and return?

You have a One Pipe System and it looks and works like this one pipe Suggest to Read the article, it nicely explains the details. The main drawback is there is a temperature drop at each radiator ...
Traveler's user avatar
  • 17.3k
6 votes
Accepted

Can I glue the float back onto linkage to my toilet fill valve?

That whole assembly is the toilet tank fill valve. The float assembly below rises as the tank fills and pushes up the tab that broke. That in turn pushes up the linkage rod and then the lever to turn ...
Michael Karas's user avatar
  • 64.6k

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