If the rainwater is on a seperate system then the downpipes can be connected directly to the drain. As several others have already stated, every drain needs a trap of some sort to prevent the maliforous scent of “eau de pew” from rising out of the drain and spreading its tendrils throughout your living space. Various p-traps. First, your P-trap should be located directly below the center of your shower and close to your shower drain. ... and I know both those sinks have p-traps directly under them. Quite common really. A shower trap is intended for use like any other types of drain trap. It doesn't need to be directly below the drain pipe of the sink, but it does need to be between the sink and the first connection to the main drain pipe and/or the vent pipe. Our Sacramento plumbing team can help you determine whether the P-trap is allowed on the plumbing section you wish to install it but there are … The potential? But most people don’t think much about how this machine works. They either leak, or I end up melting the inside seals! But too many DIYers reach for the liquid drain cleaner first and they pour in way more than the recommended amount. Some homes have no trap on the main drain itself from the home. Sinks, bathtubs, washing machines, all have p-traps to drain the waste water. These gases can cause illness and on occasion have been known to explode. Your trap should be directly under the drain. Or, simply remove the P-trap and pour out the clog. It would probably be the worst idea you have had in a long time, especially if you really meant feet and not inches in your measurements. Back to "S" traps - The reason "S" traps aren't allowed is because they have the potential to suck, or 'siphon', water out of the trap as the water flows down the drain. Under both the IRC & UPC the maximum length of the tailpiece is 24" vertical from the finished edge of the drain opening to the standing water level in the trap except washer standpipes. problem I have is that the ptrap must be higher than the drain line. Then you should have an access fitting to be able to pour about 1/4 cup of vinegar down the drain line. If there is no p-trap installed then the sewer gasses have a clear path into your home. If connection is to be to a combined (foul and surface water) sewer ... Should the property be located under or near a tree then naturally there is … It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out instead of it flowing downwards naturally. There is a heating duct that prevents placing the drain trap directly under the drain. Hello to all that read this, I have a home built in 1961 and due to flood damage had to replace my bathroom vanity. Under a double sink, it might look like the garbage disposal isn't connected to a P-trap, but if you follow the pipe, you'll see that it leads to a P-trap, even though the trap may be on the other side of the cabinet. The reason I asked about the distance from p trap to shower drain was to resolve the problem of a bad odor emanating from the drain. Thanks Lv 7. As water drains down the steep slope at the wye, it can create a siphon effect such that water will be sucked out of the trap. We have a lot af a/c condensate lines out here that are tapped into the lavatory drain pipe, upstream of the trap. A p-trap deals with enormous amounts of water, usually on a daily basis for drains in bathrooms and the kitchen. If so, you can move the trap to the drain location. I'm cleaning the male pipe with fine sandpaper, and a wire brush for the valve. And the empty trap … Under the UPC a washer standpipe must be 18" but not more than 30" Under the IRC a washer standpipe must be 18" but not more than 42" ref: IRC-3201.6 & 2706.2 Hi Folks, I always seem to have trouble getting a good sweat connection on ball valves (or stop valves for that matter). P-traps have a water seal and this prevents poisonous sewer gases from escaping into homes. On a properly installed "P" trap, there is a vent at the same place the drain turns downwards, which breaks the siphon. To get past that barrier, we suggest that when a dehumidifier is placed, it should have the hose to a drain option hooked up. P-Trap Leaks and Replacements. In the small chance that I get one that doesn't leak, the connection looks darn ugly. The condensate line comes out of the main trunk and runs to the floor just above the drain near the furnace. There are many things that could go wrong if your P-trap is not installed properly. Is the shower drain within that length? In oil refineries, traps are used to prevent hydrocarbons and other dangerous gases and chemical fumes from escaping through drains. So many people have asked about trap/drain sizing for fixtures we decided to give you at least a loose guide for each type of plumbing fixture. No p-trap. A p-trap is comprised of a tailpiece, the curved trap piece, and a drain elbow. Also, check the grade on the pipes, you want 1/4" per ft fall. 1 decade ago. Almost any household equipment that drains water has a p-trap. You can run a horizontal pipe away from the sink and put your trap along that line. It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out … One end of the hose gets connected at the fitting at the dehumidifier and the other end to a floor drain. P-traps are S-shaped pipe components that keep toxic sewer gases from escaping into your residence. I have a forced air furnace/air handler in my basement with a standard A/C unit (condenser out side / A/C coil in the main supply truck about a couple inches over the furnace/air handler. You attach the p-trap directly to the drainage and manuever the p-traps exits into you existing drain. I'm worried will raise the level the water sits in the trap nearly to be level with the entry point for dishwasher. The drain for the tub was put in without thought to a shower/tub combo but rather just a shower pan. I have the idea to install the trap perhaps 4 inches from the drain, but that would put the trap approximately 2 feet above the sewer line. I have purchased a Whirpool Reverse Osmosis Water Filter which installs under the sink. For most households, the dishwasher is a must-have appliance that makes cleaning up after meals a breeze. But it’s not. Under the portion of the sub floor where the center drain will go I have heating pipes so i cant install p trap directly under the drain. But now, ... would I have to cap off the drain under the p trap….it is under … When this is the case any trap that is not used for a long time can dry out and sewer gases from the city sewer can then enter the home when the house is under negative pressure. A p-trap can suffer damage due to … I purchased a new vanity and it was not until it was bolted in place and a new faucet installed that I noticed the inside of the vanity is much higher than the previous one. If you have a trap in the drain make sure it goes into the trap for best results. Now just connecting in sink waste to drain. The floor drain needs to be located lower than the hose connection so that the water runs down the hose. The drain trap also provides a place to clear clogs—either from the trap bend itself or in the branch drain leading into the wall. You attach the p-trap directly to the drainage and manuever the p-traps exits into you existing drain. 6 Answers. Shower drain trap [ 1 Answers ] I have removed a bathtub and I'm replacing with a shower. 0 0. paul. I do have free space between two of the joists that support the sub floor near the west wall. It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out instead of it flowing downwards naturally. It can also be lower than your exit pipe you need to drain into ; You attach the p-trap directly to the drainage and manuever the p-traps exits into you existing drain. Is there some kind of obstruction that wouldn't allow that? As long as the drain is below the bottom of the sink, it should drain. Homeowners who install their P-traps too far away from the drain may experience more odors than what’s normal. Can I install a p-trap anywhere along the “horizontal” run of pipe between the shower drain and sewer stack? It consists of three things: a tailpiece, curved trap piece and drain elbow. The trap is supposed to be directly under the drain so you can verify that it is holding water and has not been damaged. Yes, a shower needs a p-trap. A P trap goes through the wall. Our shower does not have a p- or s- trap – it is connected directly to the sewer pipe in the basement, so we oftem have sewer gas smells in the bathroom. My question is, does it matter if I have to bring the waste pipe up higher than the trap for it to meet the pipe that drains into 6 inch waste pipe. They are required on all … Shower and tub drains have to have them, toilets have built-in traps and sink drains must have them, even those with garbage disposals. In plumbing, a trap is a U-shaped portion of pipe designed to trap liquid or gas to prevent unwanted flow; most notably sewer gases from entering buildings while allowing waste materials to pass through. Would I get a vacuum and thus draw the water from the trap. The shower tile installer asked that the new drain be placed in the middle of the floor. Just remember, the longer the distance from the shower drain to the P-trap, the more your drains will stink your bathroom up. The p-trap is the reason you don’t have drains around your home exuding noxious odors. The easiest way to remove kitchen and bath sink clogs is to use a snake or a barbed drain cleaning tool. My question is since the drain is 24" from the framed wall on the right and 22" from the back of the wall can the p trap be put in where the concrete is cutout for the drain or does the p trap have to go directly under the tub drain cutout? It works by allowing water to go a point in the pipe that is lower than the rest. How to Install a Bathtub P-Trap. You never need to access the trap, which is why they are buried underground in slab houses. California code does state that there are certain restrictions and cautions on using this style of trap that you should know. This is done to make heavy sediments that are in the water to fall down or settle out in it while the cleaned water goes on down the pipe. Now, since there is no air-gap, this would be considered a direct connection right? The shower base I want to install is 60x42 with a center drain built in. The drain elbow for a p-trap fits into the drain pipe which goes directly into the wall. If you’re considering replacing or installing a new dishwasher yourself, you’ll want to be aware of how to hook it up to the drain before you get started. Using Drain Cleaners as a First Choice. Let the vinegar sit in the drain line for about 5 minutes then flush the drain line by pouring about a gallon of water through it. An S trap would go through the floor. I have also seen a/c condensate lines that are connected directly into a dedicated trap. Maximum length for a 2" trap arm is 5ft. 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