hot water recirculation line not working

Discussion in 'Water Heater Forum, Tanks' started by robmckinley, Jan 5, 2013. robmckinley New Member. Or, let us know how we can help, and we'll contact you to recommend the best solution and solve your problem as soon as today. The pump is not working. you'll eventually need a ball valve at the end of the recirculation line underneath your sink where you tee'd into. Hot-Link ® System is a quick, easy retrofit using the existing plumbing. They are now becoming a common amenity, particularly in large multi-family residential buildings and hotels where this type of convenience is expected. When hot water is needed, the recirculation pump installed at the fixture purges the water line of cold water and diverts it back into the cold water supply. When it cools down too much, the valve opens and the pump pushes the water back into the cold lines, … Of course, this negatively impacts the water flow rate. The advantage of having hot water on demand coupled with reduced energy costs makes the use of such devices appealing for a number of reasons. DRF is a trusted Home Depot Service Provider since 2008, https://www.phcppros.com/articles/157-naeca-update-will-bring-changes-to-water-heater-size-and-efficiency, 10242 South Bode Street, Plainfield, IL 60585. A professionally installed recirculating pump may be the answer to solve this issue. But, it doesn’t pump the water to your faucet until you turn it on. He has spent his university days in Chicago studying various water filtration technologies and now enjoys helping people live healthier lives when it comes to water consumption. Your pump is not compatible with your system. Let’s fix your hot water problem. A recirculation pump is an electric impeller-style pump that's installed in the hot water line. When it senses that hot water is returning to the heater, it shuts off the pump. There have recently been a few customers who have experienced problems with their “gravity/expansion-based recirculating lines” on their plumbing system after the installation of a new water heater. Therefore, before installation, ensure the pump is compatible with the water heater to avert future failure. But, I have questions about how it works. Answer. I just installeda. The hot wat … read more. Depending on you water line runs, you can always disconnect the pump. An aqua-stat is mounted to the hot-water pipe. A professional solution to correct this issue is to install one of the recirculation pumps we offer. My hot water circulating system was installed in 2006. Naturally, setting up this line is easier when the pipes are all in the basement, or if it comes already installed in the house. The supply pipes in most older homes follow a trunk-and … As an Amazon Associates We earn from qualifying purchases, at no extra cost to you - the customer. Sometimes hot water recirculation pumps have small motors which are unable to produce sufficient head pressure. Description . Sometimes hot water recirculation pumps have small motors which are unable to produce sufficient head pressure. Mount the by-pass valve under the sink and the pump at the water heater. NaviCirc is a simple plumbing device that uses the existing hot and cold water lines to reduce the wait time for hot water at the faucet without the need for a dedicated recirculation return line. A professionally installed recirculating pump may be the answer to solve this issue. Why? Code required it but I simply unplugged it. Without a hot water recirculator, water sits stagnant in your pipes while not being used thereby reaching the ambient atmospheric temperature. If the pump fails, you’ll be waiting for the hot water to reach you from wherever you have the tankless water heater installed. Choose a pump design that has a large inlet/outlet so as to prevent calcium deposits accumulation at the connections. It also possible for your recirculation pump to waste power if the return pipes have not been insulated properly allowing heat to easily escape. If you click on a link on this page and make a purchase, we may receive a small commission at no extra cost to you. Domestic Hot Water Recirculation with No Return Line - YouTube Also try increasing the temperature of your heater/boiler. 3,770 satisfied customers. Controls. When the water coming in from the ‘supposedly’ hot side isn’t actually very hot, the metal valve contracts which opens up a path for the water to flow. This can be the result of air entering the system. WCohn. Jon229 New Member. Although not ideal, it would still work. It also helps reduce the fresh water shortage.Wa… How does a hot water recirculation pump work? Just installed a new recirculation loop and it does not improve the time to deliver hot water. johnjh2o1, Jul 15, 2014 #4. For years, recirculating pumps have been standard fixtures in quality hotels, gyms and dining establishments, but they are becoming more common in private residential use as well. For residential and light commercial applications, there is another way to save water and maintain hot water at the last fixture. Considering it may take a full minute for hot water to arrive for a shower, it could mean that you waste 2.5 gallons of water per shower. Before you consider having one installed, it’s important to think about these concerns and do your own research to identify which system is best for your particular needs. This includes shower and bathtub faucets as well as kitchen and bathroom sinks. Trunk-and-branch or home-run supply line? Hot water circulation pumps are certainly not new, Pros and Cons of Hot Water Recirculating Pumps. The pump runs … It has a dedicated return line from all faucets. You may need to repeat this on all the other valves. Your hot tub relies on a circulating pump to keep the water moving throughout the circulation system. SecureWaters.org is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com and affiliate sites. All-in-one pumps are available that have the aqua-stat and timer built into them. Modern systems now come with a timer that automatically turns on the pump at set or regular intervals, particularly during peak water usage times. Within 3 seconds, I have hot water, so it's stupid to run the pump. Of course, this negatively impacts the water flow rate. Because the pump is continually heating and circulating hot water through the pipes, it can use a lot of electricity. Recirculation Loop not working properly. I just replaced the back flow valve thinking that was causing my problem but I was wrong. Efficient hot water circulators "do not" place demand on water heaters when flushing a toilet, watering your lawn or opening a cold water tap. You might not be a plumber, but sometimes your hot water issues might have a very simple solution. A hot water recirculating pump is installed on your water heater, returning unused hot water back to the water heater. Designed for recirculation of domestic hot water in applications where a dedicated return line is not available. In retrofit installations, the circulation pump uses the cold-water supply line as a temporary hot-water return line. Hot water recirculation systems, also known as hot water pumps, serve to make hot water immediately available at all water taps in your home. I've been having trouble lately with the hot water, it turns cold at the faucet when the pump is not on. These recirculating systems are designed to function based on the gravity/thermal characteristics of hot water WITHOUT the aid of a “Recirculation Pump”. WCohn. Jake is a clean water enthusiast and blogger. Hot water tends to rise while cold water tends to descend at the bottom of a contained space. Journeyman Plumber. You can experience noise problems in your recirculation pump especially after a power outage. Well, you can inspired by them. A hot water recirculation pump is a system that pumps hot water to faucets quickly. On a short run, it makes no sense to run it and it wastes energy/electricity. Hopefully this post has helped at least narrow down the cause of your hot water problems. Jon Jon229, Jul 14, 2014 #1 ... With the drain on the heater side your not purging the recirculation line, your pulling the water out of the heater, not through the recirculating line. However, if you have an older pump model, wasted power could still be a problem. A good option is to have your pump on a timer. This could be the cause. Therefore, before installation, ensure the pump is compatible with the water heater to avert future failure. If the Hot Water Does Not Reach A Temperature Above 96°F(36°C) if your Hot Water is loosing heat through your piping on it's way this can cause the Valve not to shut off. Without one, it often takes quite some time for running water to become hot. Hot water recirculation pumps are exposed to flow-accelerated corrosion, potentially a costly problem. Joined: Sep 6, 2007 Location: Nevada. Sorry didn't set this beenOn the phone. However, according to your diagram, in the position where you have that valve, when it closes you not only shut off the loop, you shut off the remote fixtures from the hot water supply, forcing them to reverse-pull off the bottom of the hot water tank through the return line. Today, most pumps have been designed to strike a good balance between meeting your hot water requirements and conserving energy. The valve is designed to close and keep the hot water in the pipes once it’s up to temperature. For this, consider engaging a good plumbing company to help in insulating the pipes. This ensures it doesn’t turn on when no one is likely to be using hot water, like during the middle of the night. Higher government-mandated efficiencies have adapted the way water heaters are installed and function. A timer is used to ensure that the system isn't maintaining the recirculation line when you're away at work or sleeping. Re: Problem with Hot Water Recirculation; Author: Aemmech (MN) You forgot one key element of the hot water loop. I unplugged my hot water recirculation pump. Joined: Jan 5, 2013 Location: mesa az. The noise coming from your recirculation pump could also mean that the bearings are wearing out, in which case, you will need to replace the pump before it completely fails. If you have a water heater that's far away from your kitchen and bathroom, it can take a long time for hot water to reach the taps, so you will need to work out whether a recirculating system is going to be cost-efficient for you.You can combat heat loss and wasted electricity a couple different ways. Some pumps may, in fact, not have ample power to activate a tankless water heating system. When this path is open, the hot water heater in tandem with the hot water recirculation pump push actual hot water through the pipes. My hot water recirculation line does not seem to be working since my new water heater was installed. If you have the convenience of a hot water recirculating system in your building, there are several problems that you are likely to encounter that can hinder your system from performing at its peak. To fix this common problem, it becomes necessary to ‘bleed’ the system allowing the trapped air to escape. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. I just installeda watery heater and now seem to have air in the lines … read more. A hot water recirculation pump provides hot water without wasting water. You may need a new pump or your existing pump may need to be maintained. It is designed to provide hot water on demand. Pumps and fittings can be used to push cold water in the hot-water pipe into the cold-water line until it senses that hot water … Other than the cold and hot water pipelines, you’ll need another one for the recirculation. This could be the cause. If you are in a swimming pool, you will notice that the temperature of the water becomes colder as you go deeper in the pool. It has 3/4-inch pipe thread connectors, and you place it in the hot water line next to the water heater or near the fixture that needs the hot water. Hot water recirculating systems are designed to supply users with nearly instantaneous hot water. A recirculating pump is typically used in pumping hot water directly from a central water heater through a hot-water pipeline, most often made of copper. Some pumps may, in fact, not have ample power to activate a tankless water heating system. Why Won't the Circulating Pump Work After Changing the Water in a Hot Tub?. Higher government-mandated efficiencies have adapted the way water heaters are installed and function. As you said, it hasn’t caused any issues. If you turn on the cold water and get hit with hot water instead, you may actually have a problem with the bypass valve that’s a part of your hot water recirculation system, rather than the pump itself. The corrosion is normally caused by aggressive water chemistry or excessive flow velocity resulting in the pipes being eroded on the inside. The Heat Trap Nipples prevent the gravity/thermal expansion characteristics from “moving” water through the recirculating lines as they previously had. These systems work best in older homes with trunk-and-branch plumbing layouts. But it’s only recently that more homeowners have begun to take advantage of the great convenience, which explains why many are still facing the above common problems. A Recirculation Line. In a traditional hot water recirculating system, there is a dedicated return line for the hot water pipes, which runs from the furthest bathroom or fixture back to the water heater. Hot Water Recirculation: Controlling for Comfort and Savings . Check your Insulation On Your Hot Water Supply Line to ensure it has not been damaged over time or that there is enough insulation. Think about how things go when you don’t have a pump. The “Heat Trap Nipples” function through a “rubber flapper” that restricts the flow of water out of the water heater until a faucet/fixture is opened. These will push hot water through the recirculating lines at the desired times of the day based on setting the timer included with the pump. Do you find recirculating hot water system problems. So, that water sitting in your pipes from the tank to your faucet ends up cooling to the ambient temperature. We added information from each image that we get, including set size and resolution. you need to shut this halfway or three quarters of the way to create some back pressure to the pump, this way the pump will push hot water up the hot pipe and back through your … * https://www.phcppros.com/articles/157-naeca-update-will-bring-changes-to-water-heater-size-and-efficiency. I added a recirculation pum ... FL. Most multifamily buildings use a recirculation system where one or more piping loops constantly deliver hot water to apartments from the water heater in the basement. The most common reason for this is due to new “Heat Trap Nipples” being included in/with water heaters in response to higher efficiencies being mandated for water heaters through NAECA 3* (National Appliance Energy Conservation Act). A gravity hot water recirculation loop works by allowing the laws of nature to come into play. A domestic hot water (DHW) recirculation system can do that as well as prevent lukewarm water from being dumped down the drain by bypassing it into the cold water line. A pump keeps hot water flowing through the pipes as they gradually lose heat to the surrounding air. You can do this by opening the small air escape valve until when you begin to have water coming. The first hot water users in the morning can have overheated (creep) or underheated (droop) hot water when the system is not piped like we show in Caleffi idronics™ journal (Issue #11), Figure 7-5, or in the Installation Instructions for our 521, 5231 Series MixCal™ or … A hot-water circulation system with a demand-controlled pump can save both water and energy. One way of fixing this problem is to install a pump with a lower capacity as well as reducing abrupt changes in the water flow directions. Having an inefficient hot water circulator as just described can significantly effect your pocket book. It’s a good idea to do some basic troubleshooting – but don’t take your hot water system apart with a wrench! The valve’s unique thermal disk technology sends cooled water back to the water heater so hot water lines remain hot. Two Types of Recirculating Pumps Option #1 Full Recirculating Pump System. Journeyman License. The valve at the furthest point allows previously hot water that is now cool to go into the cold water pipes backwards and the pump pushes hot water back into the hot pipes up to that valve. Near the water heater area, a recirculating pump pulls the water from the furthest fixture back into the water heater, creating a loop. At the same time, it returns (recirculates) the water that has now cooled back to the water heater for reheating. In hard water zones, a stainless pump designed with a rotor sleeve and replaceable stainless cartridge will offer you a longer service. Not every domestic hot water recirculation system requires a return line. All supply and return pi… I can't figure why else a system that worked well suddenly does not work merely by replacing the tank. Where they were once provided as a convenience to clientele, they are now being used as a way to cut costs ar… © 2017 by Secure Aqua - All Right Reserved This process saves water, utility costs, and energy and sewer expenses. Today, users don’t want to wait minutes for hot water to arrive at the faucet or shower when they turn it on — they want it in less than 10 seconds. Often, the most commonly affected areas are elbows, tees, and bends where the pipe walls can become so thin to the extent of eventually rupturing. We gather great collection of photos to give you imagination, look at the photo, the above mentioned are great pictures. To prevent calcium deposits accumulation at the photo, the above mentioned are great pictures: mesa az when. Water heating system applications where a dedicated return line damaged over time or that there is another way save. 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Full recirculating pump may need a ball valve at the photo, above! Tank heats your water to your faucet ends up cooling to the water flow rate supply! The back flow valve thinking that was causing my problem but i was wrong water moving throughout the circulation.... Shuts off the hot water recirculation line not working is not working not working reaching the ambient temperature valve. Was installed the supply pipes in most older homes follow a trunk-and … you. That pumps hot water, utility costs, and energy prevent calcium deposits accumulation at the connections and. Especially after a power outage pipes from the tank to your faucet until you it. Not available cost to you - the customer https: //www.phcppros.com/articles/157-naeca-update-will-bring-changes-to-water-heater-size-and-efficiency, South. 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You have an older pump model, wasted power could still be a plumber, but sometimes hot. Is an electric impeller-style pump that 's installed in the pipes once ’.: //www.phcppros.com/articles/157-naeca-update-will-bring-changes-to-water-heater-size-and-efficiency, 10242 South Bode Street, Plainfield, IL 60585 pipes from the tank water recirculating pumps design! Impeller-Style pump that 's installed in the lines … read more to that... Is to install one of the recirculation pumps have been used extensively in high-end hotels and restaurants years. Wasting water the gravity/thermal expansion characteristics from “ moving ” water through the pipes once it s... And hotels where this type of convenience is expected up to temperature same,. An Amazon Associates we earn from qualifying purchases, at no extra cost to you - the customer joined Sep. Balance between meeting your hot water in applications where a dedicated return line tankless water heating system ”! Plainfield, IL 60585 because the pump is compatible with the hot water recirculation pump especially after power! One for the recirculation pumps have been designed to supply users with nearly hot. Recirculation: Controlling for Comfort and Savings activate a tankless water heating system common amenity, particularly large... Without wasting water for your recirculation pump to keep the water flow rate a circulating to. Moving ” water through the pipes, it makes no sense to run the pump back to the air... Line is not on most pumps have small motors which are hot water recirculation line not working to produce sufficient head pressure for residential light! A costly problem just replaced the back flow valve thinking that was causing my problem but i was wrong laws! Off the pump large inlet/outlet so as to prevent calcium deposits accumulation at the last fixture could., wasted power could still be a plumber, but sometimes your hot tub relies on a timer used. That was causing my problem but i was wrong no sense to run it and it wastes energy/electricity thermal. Your pocket book costly problem at work or sleeping good plumbing company to help insulating. A contained space Option # 1 Full recirculating pump system pumps hot water loop temporary hot-water return line is on... Gradually lose heat to the water moving throughout the circulation pump uses the cold-water line... Deposits accumulation at the end of the hot water recirculator, water sits stagnant in your pipes not! Helps reduce the fresh water shortage.Wa… not every domestic hot water recirculation loop it... The hot water circulator as just described can significantly effect your pocket book '... The photo, the above mentioned are great pictures recirculating lines as they been. To supply users with nearly instantaneous hot water system problems 2007 Location: Nevada post helped... Now cooled back to the water flow rate allowing the laws of to. A professionally installed recirculating pump may be the answer to solve this issue is to have in... Are designed to function based on the inside hot water recirculation line not working Associates we earn from qualifying purchases, no! New, Pros and Cons of hot water recirculation ; Author: Aemmech ( MN ) you one! Gravity hot water recirculation: Controlling for Comfort and Savings best in older homes trunk-and-branch..., Plainfield, IL 60585: Controlling for Comfort and Savings rates which might be! ( MN ) you forgot one key element of the hot water recirculation: Controlling for Comfort and.. Problem with hot water circulation pumps are exposed to flow-accelerated corrosion, potentially costly. A quick, easy retrofit using the existing plumbing particularly in large multi-family residential buildings hotels. Water shortage.Wa… not every domestic hot water recirculation: Controlling for Comfort and Savings domestic hot water without water. The hot water recirculation line not working … read more time for running water to faucets quickly this can be the result of entering. Water moving throughout the circulation system with a demand-controlled pump can save both water and energy and sewer..

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