Siphon for washing in the kitchen performs several functions at once. It creates a water plug that blocks the flow of gases from the sewerage system, provides high-quality drainage, and prevents clogging of pipes. Therefore, it is important to clean the device in time, monitor its serviceability, and if it fails, replace it. You can dismantle the old one and assemble a new sink siphon in the kitchen without the help of a plumber, if you follow the instructions correctly.
materials
Siphons are made mostly of plastic, but you can purchase a model made of stainless steel or chrome-plated brass.
Steel siphons are the most durable. Copper alloy oxidizes over time and dirt lingers on the surface.
A plastic drain does not look as attractive as a metal one, but it is not afraid of corrosion, it is strong enough, durable and cheap. It does not accumulate dirt on its inner surface, which is a great advantage, especially for the kitchen.
When choosing a siphon for a kitchen sink, we recommend that you first of all pay attention to the functional and operational qualities, and not to the appearance, since the device will still be hidden in the cabinet. beautiful metal design product - the choice for a wall-hung washbasin in the bathroom.
Siphon device
By design, siphons are divided into 3 types:
- bottled - the most common;
- pipe;
- corrugated.
The advantage of a bottle siphon over others is the presence of a sump, which can be periodically cleaned by unscrewing the bottom tank cover. It may have a different shape, which is selected depending on the installation location. The principle of operation remains the same.
Designations in the plumbing lexicon
To assemble a sink siphon, an ordinary user will need instructions. It uses specific terms. It is important to understand what they mean.
- Branch pipe - a piece of pipe of any shape (straight, rotary, loop) with a thread or socket.
- Fittings can extend from the pipe - short pipes for connecting other devices, such as a dishwasher, to the sewer through a siphon.
- A socket is an expanded part at the end of a pipe for joining with another pipe. A rubber ring is inserted inside for sealing.
- Drain - part of the siphon, consisting of a grate connected by a screw fastener to a branch pipe.
- Corrugated hose (corrugation) - mostly needed to connect the siphon to the sewer.
- Adapters - branch pipes for connecting hoses and pipes with the same or different diameters.
Siphon selection
When buying a drain for washing, you should pay attention to some points:
- Coincidence of the diameters of the opening of the sink and the grate-filter of the device.
- The need to connect other appliances, such as a washing machine or dishwasher. To do this, the siphon pipe must have an additional fitting for connecting the hose.
- Compliance with the dimensions of the device to the free space under the sink.
- The diameters of the outlet pipe and the sewer pipe must match. If they differ, a rubber adapter is required.
- The cost of the product is justified by the corresponding quality.
Step-by-step instructions for replacing the drain device
To change the siphon in the kitchen, you need to prepare everything you need, and then proceed to the assembly steps.
- When the water supply to the sink is turned off, the old siphon is dismantled. In this case, it should be borne in mind that there is still liquid left in it. In order not to spill the remnants, a spacious container is placed below. An old cast iron product planted on cement will have to be removed with a hammer and chisel.It is important to ensure that cement residues or cast iron fragments do not enter the sewer.
- The sewer pipe is plugged with a damp cloth to eliminate unpleasant odors.
- The hole in the sink is thoroughly cleaned of dirt.
Assembly steps
Let's start installing a new device:
- The protective grille, together with a gasket lubricated with sealant, is installed in the sink hole and centered.
Important! During assembly, all gaskets are lubricated with sealant, which allows you to tighten the joints without much effort and prevent leaks.
- The docking pipe with a sealing gasket is inserted from below and fastened to the sink and grate with a screw with a wide screwdriver. In this case, it is necessary to ensure that the mesh from above does not move during installation. If the sink is double, both outlet pipes are attached.
- A gasket is put on the flask, then the lid is screwed on.
Note! The gasket of the flask itself does not need to be lubricated with sealant, since it will often have to be unscrewed to clean the sump. It is convenient to use silicone grease here. Then the cover will be easily unscrewed and maintain tightness after installation.
- Now you can collect the flask. A docking pipe and a corrugation are connected to it by installing conical rubber bands and plastic nuts.
- If the sink has an overflow hole and a suitable siphon is selected, an overflow hose is screwed to the outlet pipe. The top is inserted into the overflow hole of the sink and sealed with gaskets, as shown in the diagram.
- A rag is removed from the sewer pipe and the corrugation exit is installed there. The flask is inserted with a docking pipe into the drain and fastened with a union nut. Here you can adjust its height. If the device is joined to an old cast-iron pipe, it must be cleaned of dirt, and a rubber gasket should be installed at the junction.
- Water is supplied to the sink, and the tightness of the assembled structure is checked. At first, it is better to leave the container under the siphon in case it still leaks.
- Lastly, additional equipment is connected to the fitting of the product. The drain hose must lie freely, without strong bends or twists. It is attached to the fitting using a clamp.
If you understand the design of the siphon, you can independently connect a device of any complexity: for a double sink, with an overflow, side fittings for a washing machine and dishwasher.