The Most Common Causes and Symptoms of Check Valve Failure. Check valve failures may also result from worn elastomers and seat seals, as well as excessively high operating temperatures. A licensed technician can assist you with the installation of a sump pump. Model: DJ-545 Sump Pump Check Valve Size: 1.5 in. On some models the check valve prevents the backwash of pumped out water back into the sump pit. Can be installed vertically or horizontally. The gadget spec URL could not be found. Back to top: Mon Jul 10 2006 12:03 pm Re: Sump pump check valve . Sewage Check Valve with Flexible PVC Fittings Used in sewage applications, this Sewage Used in sewage applications, this Sewage Pump check Valve is designed to help stop pumped water from flowing back into the basin. Always umplug the pump from power before servicing or inspecting it. Bill Burnett, Kevin Burnett . 7 Things that Cause Sump Pump Failure. This contractor grade Zoeller quiet check valve with built in air chamber allows silent closing of the flapper design and prevents back flow for efficient pump operation. You can read my sump pump check valve failure repair tips here. Do consult manufacturer for clarifications or questions. You can see in the pictures where the unit failed. For a check valve that works with almost any 1-1/2 Inch pump we recommend the Zoeller 30-0181. Power Failure The most common cause for sump pump failure is an electrical power outage. A fuel pump check valve is a component of a mechanical fuel pump, which is found on many vehicles that were manufactured before electronic injection. (Threading) - 1.5 in. Pumps use 115 volts AC which can injure or kill. Sump Pump Check Valve Failure. The > primary pump has a check valve installed and it drains into a underground > pipe that runs to a sewer. herlihyboy wrote: Quote: I have a basement sump for my basement bathroom. Tags: Sump Pump Check Valves, Sump and Sewage. By shaking a check valve you will be able to hear the failed flapper bouncing around. Sump pump check valve failure is a common problem with sump pumps in the basement. A Sump & Sewage Check Valve is a plumbing product that is specifically used in a Sump or Sewage Pump system. Includes: Model 53 115-volt pump, Model 508 Aqua not, 115 Volt DC backup system with pump, check valve, float switch and piping; Plumbed in 1-1/2″ Such 40 PVC pipe; Comes fully assembled and ready to install in your clear water sump; Extra protection when the primary AC pump fails due to power outages Use a check valve between the bubbler and generator to prevent unwanted pressure build up in the generator, and a safety against a low level bubbler. This is called intermittent pump cycling. A sump pump is a pretty critical and expensive piece of equipment. Installed in the discharge pipe leaving your sump pump, the sump check valve prevents your pump from having to re-pump water it has already discharged. Trapped air is caused by agitation and/or a dry basin. Top Pick. When a check valve is not installed on your sump pump's discharge line, a back flow of water can cause the pump impeller to rotate backwards and unscrew off the motor shaft. Sump pump failures lead to substantial water losses and insurance claims that require the attention of claims representatives. Over time, sludge, and dirt could build upon the Because battery backup sump pumps have a limited life-span during a power outage, an alternative backup solution is the Water Comm We checked compatibility, discharge size, build material and PSI to find the best sump pump check valve for your home. It pumps up about 4' to the main drain that goes out to my septic. 2 in. 1. Use caution when checking anything electrical. “Hammer” noise is a worrying sign that all is not well within a sump pump system. We just bought the house and I need to put a backflow check valve in it. A sump pump is a good idea for all homes as well, as flooding can happen to anyone. A failed sump pump is usually the result of a switching problem. Noisy sump pump and check valve prevent a good night's sleep. A secondary, typically battery-powered sump pump can operate if the first pump fails. Usually when a check valve fails the water will run backwards after the pump shuts off, and the pump will start again even when no one is using water. Whatever your decision, be sure to have a professional install your sump pump or backwater valve for the best possible results. A battery-powered secondary pump will have a separate battery and charger system to provide power if normal supply is interrupted. If this occurs, the motor in your sump pump will sound like it is running but it will not be pumping any water out the discharge line. pump Sump valve check. June 12, 2004 Updated: Jan. 26, 2012 11:53 p.m. Facebook Twitter Email. debris or sediment, then place the sump pump on a hard surface inside the basin. Proper installation the first time will save you time and money. Do drill a 3/16" (5 mm) weep hole between the check valve and the pump housing. The check valve sometime jams due to debris and thus malfunctions. Put the pump back in its pit first if you removed it. Even if your system has an existing check valve, it's best to replace it when installing a new sump pump, just in case minerals have corroded or damaged the valve flap. Alternative sump pump systems can be driven by municipal water pressure. Sump Pump Check Valve Size: 1.25 in. or 1.5 in. Before proceeding to discussing typical failure modes, a brief review of sump pump system technology may be helpful. check valve Sump pump Sponsored Link. Qty. Here is a good example of what it looks like. These valves help to make sure that the water that was pumped out does not come back into the pit. The backup pump float is set a little higher and > turns on if the primary doesn't. Exhaust fume odor. Many sump pumps have check valves. The noise occurs after the pump stops. Connects to 1-1/2 in pipe and can be installed vertically or horizontally. Check the valve and clean it if the valve is clogged with debris. 18 in. See Check Valve. Pump is not receiving enough electricity Check outlet to ensure it has power. If the valve does not work properly then the water goes back into the basin and thus creates extra stress on the pump. You can read my helpful tips on how to tell if you have sump pump check valve failure, how to trouble shoot it and how to replace a check valve. Be sure to keep in mind pump efficiency, pump protection and location when you go to install a sump pump check valve. Sump Pump Check Valve Failure. Figure 1A. To prevent … Water that is not released externally when the pump stopped starts flowing backwards. Do consider a Two Pump System with an alarm where an installation may become overloaded or primary pump failure would result in property damage. Test your sump pump check valve. 1. (Threading) - 1.5 in. Sometimes the pump can shift inside the basin, causing the float that operates the switch to lodge against its side. (Adapter) Model: CH-150S-150MT Sump Pump Check Valve Do install a check valve and a union in the discharge line. If you do not have a Check Valve installed, it will cause your system to work much harder and more often to pump out the same amount. The discharge pipe should be the same size as the discharge of pump (1-1/2 in.) By understanding why valves fail and how to detect the early warning signs of valve failure, you'll be able to prevent them from failing in the first place and avoid costly downtime and repair. A mechanical fuel pump has a two-port check valve, one that is located on the pump’s inlet and one that is located on the pump’s outlet. 3/16") must be drilled in the discharge pipe below the check valve and pit cover to purge the bottom intake unit of trapped air. Share Remove Report: herlihyboy. Model: CUCV-1.5W Sump Pump Check Valve Size: 1.25 / 1.5 in. > In the same crock I have two sump pumps on two separate breakers. Connect the discharge pipe, fittings, and check valve (not provided) to pump discharge. OVERVIEW. In the industry, we call this a short-cycling sump pump. pipe. If not, replace fuse or reset breaker in home's fuse/breaker box. A failing check valve can be a disaster when you're operating any liquid handling equipment. NOTE: Make sure there is enough room in the Reduces pump noise . A IL2048 22 in. With the sump pump installed, you finally get to enjoy the results of your hard work. It is often the case that the sump pump is not working properly because the check valve is not fitted correctly. Water-powered ejector pumps have a separate pump, float and check valve. Plug the pump into a nearby outlet and listen for the sound of water rushing through the drainage pump. (Adapter) Model: CH-150S-125/150MT Sump Pump Check Valve Size: 1.5 in. check valve A valve that closes to prevent backward flow of liquid; Limits the flow of gas to one direction only. See Full Product Description Close. Here is a good example of what it sounds like. At some point, this will reduce the pressure in the pressure switch, causing the pump to cycle back on to increase the pressure. This was overloading the new sump pump causing the loud noise. Preventative Measures to Avoid Check Valve Failure. If this occurs, the motor in your sump pump will sound like it is running but it will not be pumping any water out the discharge line. In order to test it, pour some water in with it. There are a variety of failure modes associated with sump pumps, some covered by insurance, others not. It is advisable that all submersible sump pumps be of the bottom intake design to reduce clogging and seal failures. Over time the valve can develop leaks either due to loose connections to the pipes or a failing internal valve. A check valve, such as used on torches, is recommended. The check valve is missing or broken. The check valve … On other models where the discharge pipe connects to the sewer system, the valve prevents sewage from backwashing into the sump pit. The key to preventing check valve failure and ensuring valve longevity is proper and … Usually, when the air pump check valve fails, it will display a few symptoms that may alert the driver of a potential problem that should be inspected. When a check valve is not installed on your sump pump’s discharge line, a back flow of water can cause the pump impeller to rotate backwards and unscrew off the motor shaft. The Zoeller 30-0181 was our favorite check valve. But if you have two or more check valves, the lower one can be masking the problem of a bad upper check. The back-flow moves at high speed and pressure, causing the water to violently slam against the check valve. It would be a shame to burn it out over a $25.00 check-valve that fails in 3 months. Sump pump check valve connects to 1-1/2 In. One of the first and most common symptoms of a bad or failing check valve is an exhaust fume odor. Installing a sump pump check valve is critical, but it is also extremely important to ensure it is being properly installed in the correct location. This is the world's most reliable sump pump check valve. A flapper swing designed check valve failure will show water dripping from the check valve downward into the pit when water is pumping through the discharge pipe. A leaky foot-valve or check valve allows water to drain slowly down the well piping and flow back into the well. If a check valve is incorporated in the installation, a vent hole (approx. Causes of valve failure. Sump pump check valves are an important part of any sump pump system. 1 2. See More. or larger. Reduces sump pump maintenance and failure; Increases life of sump pump; Included with every Basement Systems sump pump installation; Prevent backflow into your sump pit with a check valve . Step 1: The Check Valve. Sump Pump Check Valve Failure Identified.