Drain mechanism for the toilet: the operation and maintenance basics

Compulsory affiliation of any decent housing is a tank and included in its kit drain mechanism for the toilet. Last often breaks down, leading to the creation of conditions uncomfortable when visiting the toilet. So rarely encounter this problem, it is necessary to choose the right, install and configure the mechanism drain. Deal with this issue will help in this article.

As the toilet tank is arranged: internal filling device

Normal operation of the drainage system is provided by the interaction of its individual components. The water supply to the tank is carried out thanks to the filling or the inlet valve to the toilet. It is submitted with the threaded pipe which is inserted into the hole in the side wall or bottom of a tank. The presence of the thread allows the press member to the vessel wall by means of nuts that ensure tightness compound. Control over opening and closing the opening through which water is supplied, carries out a locking mechanism coupled to the yoke.

The rocker is a lever that actuates the exhaust valve. The free end is attached to the float member or control valve. Float - a plastic sealed container, inside which there is air. At the moment when the float rises or the locking device is activated, the yoke is lifted, thereby overlapping the lumen in the inlet valve, or vice versa.

Normally, the drain hole closed by a drain valve. This flat or hemispherical elastic strip, which connects the carrier portion of the hinge bracket.

operation control mechanism for the drain tank is performed through the touchtone or single control mechanism which is disposed in the upper portion of the container. When exposed to its carrier there is a rise portion, opening a hole for admission of water at high speed in the bowl.

All the constituent elements of the mechanism can be arranged in different ways. While older cistern flushing mechanisms and control of water overflow mounted separately. In modern models valving represented by a single complex that promotes easy installation and configuration, at the same time making it more difficult repairs.

How to work a drain mechanism for toilet

Drain mechanism for toilet is located inside the tank. It does not differ a complex structure, but performs important functions. The drain mechanism is responsible for the discharge of water from the tank, filling the tank with water, control over the level water, which eliminates the possibility of an overflow reservoir upon reaching a certain liquid level.

The operating principle of the toilet tank is as follows. Water enters the container through the inlet valve, which may be in the wall or bottom of a tank. As the filling container locking device is activated in the form of a float or valve which closes the fluid supply at the moment it reaches the specified level, by blocking the inlet valve.

When it becomes necessary to perform a water wash, have an impact on a button or lever, thereby opening the check valve toilet tank toilet. As a result, fluid flows into the toilet bowl. the system is similar to working with a double-click. When you press the small button, poured from the reservoir of the water when a large - there is a complete drain.

Important!Drain mechanism cistern toilet with a button on the two modes provides water savings.

Draining entails a lowering of the liquid level in the vessel. This contributes to the activation of the control device, whereby the exhaust valve is opened and the tank is filled with water.

Types of construction for the drain fittings toilet tank

There are several embodiments of the drainage system. The inlet valve may be lower or lateral placement. In the former case, a branch pipe located at the bottom of the downcomer barrel. The structure of such a system includes a vertical float rod and float rod. The last two elements are connected to a common structure, which serves as a water stop.

When emptying the tank float drops. At this point, the toilet valve starts to affect traction, opening it. When the float reaches a predetermined level, the valve overlap. Sealing system provided a pair of gaskets.

By placing the lateral pipe with valve introduced into the tank through a lateral opening which is located in the wall of the container under the cap. This clearance is done conventionally sealed, as the water does not reach up to it. In this construction, the control mechanism cistern placed horizontally. It consists of a locking device, a float arm and the inlet tube. When emptying the tank float drops, which results in movement of the post, which opens the shut-off valve. When filling the water reservoir control mechanism rises gradually.

From the standpoint of efficient and comfortable operation of the drain device selection is better to stop on models with bottom connection, which are more reliable, less noise at the time of filling the container water. Systems with side connection characterized by ease of installation, availability, performance adjustment and repair work.

Important! Tanks with bottom connection require close attention to the tightness of the joint.

The drain mechanism is actuated via the trigger device which may be represented by a lever or button rod for the toilet. Older models were equipped with a lever, which is attached to the cord or chain to the handle. draining system with a rod actuated by lifting the handles up. This option is also lost popularity and is rarely found in modern tank.

Currently, models of management are mostly carried out by acting on the button, which is located in the lid of the tank. The push system, in turn, can be one-button or two-button. In the first case the tank is emptied completely by pressing the button. The second option involves two modes of operation cistern mechanism with a button. The first provides a sink half volume of the container, and the second - a complete emptying of the tank.

Varieties of the drain valve to the toilet as a control mechanism of the system overflow

Toilet tank drain valve can be provided a float or diaphragm closing device. Models of the first embodiment may be different structure and operating principle. Older tanks were equipped with valves Croydon, which consisted of a body, a piston axis, the seat and the float arm. mechanism starts to operate when subjected to the float lever. The piston then moved vertically.

Most modern flush valves are equipped with piston valve, which moves horizontally at the time effect on the lever. Water supply is controlled by contact of the piston and seat. At the moment of filling the container inlet is covered by a gasket, which is located at the end of the piston.

Diaphragm valve not equipped with a piston seal, a rubber or silicone membrane. Plastic piston when exposed to bias the lever starts membrane which closes the water supply.

Important!Diaphragm valve facilitates quick and quiet filling of the reservoir.

The drawback of this element is greater sensitivity to pollution products and the presence of impurities in the water. Diaphragm Valve quickly lose its performance characteristics due to the poor quality of water in the system. Will help avoid the problems of mechanical cleaning filter.

There bespoplavkovye options drainage system. Water supply is stopped therein due to the presence of a special chamber having the shape of an inverted cup.

Material manufacture drain valves for toilet

Expensive models of the toilet discharge system are made of bronze or brass. These materials are durable, reliable, resistant to corrosion, ability to withstand mechanical and chemical stresses. The design can be both simple and sophisticated design. Metal filling is found in high-end collectible models, are available with a certain stylization.

In other cases, bronze and brass can be used in the manufacture of the filler valve only, making shut-off and drain the system of universal, easy to install, configure, repair and can replace each node separately.

A plurality of valve models are made from polymers. The quality of plastic production and precision affect the value of the product. The more expensive fittings, more reliable and more durable will drain system. However, there are high-quality models with an affordable price.

How to choose the right parts for the toilet

At failure of the elements of the drainage system is important to choose the right one that will fit the original equipment. Nodes may differ in the manufacture of the material. The most high-quality and durable products are considered to be made of bronze and brass. However, they are characterized by high cost.

Repair kit for the toilet tank is chosen based on the model. Important parameters are the location of the inlet opening, its size, the diameter of the lumen of the drain and the overall dimensions of the device, which must freely enter the tank. Drain mechanism for a toilet bowl can be represented by a single structure or may consist of separate (drain and filler) devices. The second option makes it much easier and simplifies the process of replacing the product.

When choosing a valve should pay attention to the quality of manufacturing. Under its own weight mechanism should be triggered. It is essential that all of its components were moving, moving smoothly and freely. Seizure of any kind should not exist.

When choosing a cistern mechanism, the elements should be inspected carefully. They should have a one-piece body, devoid of chips and cracks, and regular geometric shape that will facilitate the efficient and smooth operation. Spare toilet, made of high quality material, have a high cost.

Seals and gaskets should be purchased from silicone. Such products, in contrast to rubber, characterized by the strength, reliability and durability. The elements are tested for compression and bending. They should not deform or crack.

Useful advice!The best performance and strength properties possess sealing elements, manufactured added to enhance the elasticity of rubber.

Removal and installation of the drain mechanism for the toilet tank

At failure of the drainage mechanism can be changed by a new self-repair kit. Replacing the flush valve in the toilet tank with the following algorithm.

Related article:

How to choose a toilet: main criteria and characteristics of different models

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The first step is to stop the water supply. Then press the drain button to empty the tank. She gently removed, which makes it possible to remove the tank lid. Then, the water supply hose is disconnected. Performed loosening the nut that fixes the filler neck. Out of the hole you want to remove the item itself.

Useful advice!Before the change in the drain mechanism of a toilet tank with the lower water supply, plumbing under It is recommended to install a small container, which will drain the water that did not come out in drain.

It is extracted from the tank internal fittings, which can be turned out of the mounts. Next, unscrew the bolts that secure the tank to the toilet bowl. Capacity withdrawn. After that dismantled the lower part of the drainage system and cleaned gaskets for sealing. After the end of the disassembly is necessary to clean the inner surface of the tank and all its holes, remove plaque, debris and lime deposits.

Installation flush mechanism involves the reverse sequence of operations. The hole is inserted into the lower part of the drainage system, are mounted sealing gaskets. Next, you install the toilet tank to the toilet and fix it with the fastening screws.

Important!If the old bolts formed corroded elements must be replaced.

The siphon toilet is installed inside of the discharge mechanism. The inlet valve should be inserted into the lumen in the bottom or side wall of the tank, fixing with nut and sealing gaskets. To discharge connections necessary to connect the hose feeding water. The water is turned on, and the system runs a check of operation.

If all the elements are properly installed and securely sealed abutting places, then there will be no leaks.

Testing of the toilet discharge system after installation

After installation or repairs toilet tank flush mechanism with a button you are testing the system. The first step is checked for visible leaks. To do this several times expel water into the sanitary apparatus. Water should not unnecessarily flow into the bowl, it should also make sure that there are no leaks underneath. In case of detection should be possible to firmly fix the bracket.

Next, check whether the water has reached the desired level in a tank mark. If it does not, it adjusts the toilet tank. The inlet valve thus should work normally without seizing. Ensure as it can work by implementing a mechanism on sudden impacts down or up.

Next, we need to evaluate the system in the ear. If published hissing, whistling or other sharp sound, it indicates the closing of the valve flap. Problem eliminated by lowering or raising member by a screw which is driven by a screwdriver.

To ensure the normal operation of the system adjusts the water level in the tank. The float, which is held thick wire should be placed so that it was located 1-2 cm below the edge reinforcement. For larger sets of water required to bend metal lever downward arc. To reduce the level of the liquid, the product is bent in the opposite direction.

If the float arm is made of plastic, it adjusts to a special screw that rotates as long as the float will not take the correct position. Considered optimal liquid level in a tank, where the water will be at 3 cm lower than the overflow outlet.

The correct position of buoy indicates that the water is not poured through the system and does not go into the toilet bowl without need. After the adjustment cap is installed on the tank and fixed by means of a button.

Possible faults in the system and how to resolve them

Examination of the work bowl will help to identify potential problems and eliminate them. If you do not control the overflow is triggered, you want to find the reasons that caused the damage to the system. The most common can be covered in a warp of the lever or rocker, holding the float. It must align to ensure proper movement of the float and the resumption of the system performance.

In the toilet discharge systems with membrane valve at the transition element in the upper position opening may remain open. In this case, the adjustment of the position of the membrane or its replacement. The reason for failure of overflow controls could consist in perforating the float with water seepage. This issue requires a complete replacement of the item. If the above steps did not solve the problem, you must replace the inlet valve.

The filler valve leakage occurs primarily as a result of wear of the sealing gasket. In the early stages of the problem can be eliminated by tightening the fixing nut. In advanced cases will need to perform replacement of gaskets.

If not activated the push button, the cause may be skewed arm that connects it to the drain valve. This problem may occur due to damage to the plastic elements of internal fittings. In this case, the need to replace the drain mechanism.

When the primary reservoir operation problems may result from incorrect adjustment. To ensure its operability is necessary to choose the height of the downcomer, corresponding to the height of a tank, and secure it in the correct position.

If there is a weak pressure during filling of the tank at atmospheric pressure in the overall system, performed dismantling water supply hose, its cleaning, removal of the calcareous deposits which closed the gap. If cleaning is not possible, change to a new hose.

If the problem persists, you need to check the inlet valve and check its performance. For this purpose it is opened, purified inner chamber and adjusting the overflow system. If the problem persists, the valve must be replaced.

Popular manufacturers of dispensing devices for toilet tank

One of the most well-known manufacturers of sanitary products and spare parts is a Czech company Alka Plast. It produces high-quality, functional and durable products at an affordable cost. A popular model is the universal cistern mechanism AlkaPlast A2000 with the function of stop button. The device is suitable for replacing the existing mechanism in ceramic cisterns. The special design can adjust the height of product in the range 310-405 mm (depending on the height of the tank).

The apparatus is equipped with a click stop function which promotes the beginning in the primary draining pressed and ending it with repeated exposure. The mechanism is made of ABS plastic which exhibits abrasion resistance and various loads. Buy the drain device can be for 850 rubles.

The drain mechanism of a dual flush Alka Plast A08A has two modes of release of water of 3 and 6 l. device is designed to adjust the height of the drain mechanism within 315-450 mm. The product is made of plastic ABS. The cost of the device - 1.1 thousand. rub.

Another no less popular manufacturer of flush valves for toilets is a Swiss company Geberit. a global manufacturer of products are of high quality. The company is constantly improving the technique of manufacture of sanitary elements, introducing technological innovations.

Among the most popular models of discharge systems can be identified with a dual flush mechanism Geberit Impuls Basic 230 is equipped with chrome-plated button. The device is made of durable plastic high pressure, which increases its technical and operational properties. Buy a drain mechanism for Geberit toilet can be for 2,3 thousand. rub.

Qualitative model is the drain mechanism Geberit Impuls Type 290, designed for two modes of operation - the sink 3 and 6 l. The device is intended for tanks 300-450 mm. The water supply can be carried out both laterally and from below. Cost drain mechanism Geberit 2.8 thousand. rub.

The drain mechanism of a simple structure. Having understood the principle of its operation and following the above tips, you can manually perform the installation, adjustment and repair of the unit without complete replacement of the toilet tank.

Device for toilet cistern: video repair and adjustment mechanism