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. Jake is a clean water enthusiast and blogger. A hot water recirculating pump is installed on your water heater, returning unused hot water back to the water heater. Your hot tub relies on a circulating pump to keep the water moving throughout the circulation system. Higher government-mandated efficiencies have adapted the way water heaters are installed and function. Today, most pumps have been designed to strike a good balance between meeting your hot water requirements and conserving energy. You may need a new pump or your existing pump may need to be maintained. Check your Insulation On Your Hot Water Supply Line to ensure it has not been damaged over time or that there is enough insulation. Although not ideal, it would still work. If the pump fails, you’ll be waiting for the hot water to reach you from wherever you have the tankless water heater installed. Higher government-mandated efficiencies have adapted the way water heaters are installed and function. Therefore, before installation, ensure the pump is compatible with the water heater to avert future failure. But, it doesn’t pump the water to your faucet until you turn it on. A timer is used to ensure that the system isn't maintaining the recirculation line when you're away at work or sleeping. Naturally, setting up this line is easier when the pipes are all in the basement, or if it comes already installed in the house. 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. To fix this common problem, it becomes necessary to ‘bleed’ the system allowing the trapped air to escape. Other than the cold and hot water pipelines, you’ll need another one for the recirculation. You can do this by opening the small air escape valve until when you begin to have water coming. 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. The valve’s unique thermal disk technology sends cooled water back to the water heater so hot water lines remain hot. Why? Journeyman License. Journeyman Plumber. It also helps reduce the fresh water shortage.Wa… Just installed a new recirculation loop and it does not improve the time to deliver hot water. 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. You may need to repeat this on all the other valves. Without one, it often takes quite some time for running water to become hot. Therefore, before installation, ensure the pump is compatible with the water heater to avert future failure. This includes shower and bathtub faucets as well as kitchen and bathroom sinks. Joined: Sep 6, 2007 Location: Nevada. My hot water recirculation line does not seem to be working since my new water heater was installed. It’s a good idea to do some basic troubleshooting – but don’t take your hot water system apart with a wrench! I can't figure why else a system that worked well suddenly does not work merely by replacing the tank. Hot water recirculation systems, also known as hot water pumps, serve to make hot water immediately available at all water taps in your home. Discussion in 'Water Heater Forum, Tanks' started by robmckinley, Jan 5, 2013. robmckinley New Member. Recirculation Loop not working properly. My hot water circulating system was installed in 2006. Depending on you water line runs, you can always disconnect the 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. WCohn. Hot water circulation pumps are certainly not new, Pros and Cons of Hot Water Recirculating Pumps. 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. I just replaced the back flow valve thinking that was causing my problem but I was wrong. 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. 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 … Within 3 seconds, I have hot water, so it's stupid to run the pump. 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. Hot-Link ® System is a quick, easy retrofit using the existing plumbing. The Heat Trap Nipples prevent the gravity/thermal expansion characteristics from “moving” water through the recirculating lines as they previously had. Answer. We gather great collection of photos to give you imagination, look at the photo, the above mentioned are great pictures. Near the water heater area, a recirculating pump pulls the water from the furthest fixture back into the water heater, creating a loop. For this, consider engaging a good plumbing company to help in insulating the pipes. 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. 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. Sometimes hot water recirculation pumps have small motors which are unable to produce sufficient head pressure. When this path is open, the hot water heater in tandem with the hot water recirculation pump push actual hot water through the pipes. On a short run, it makes no sense to run it and it wastes energy/electricity. But, I have questions about how it works. An aqua-stat is mounted to the hot-water pipe. These systems work best in older homes with trunk-and-branch plumbing layouts. In hard water zones, a stainless pump designed with a rotor sleeve and replaceable stainless cartridge will offer you a longer service. Why Won't the Circulating Pump Work After Changing the Water in a Hot Tub?. 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. A good option is to have your pump on a timer. Well, you can inspired by them. How does a hot water recirculation pump work? This could be the cause. 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 … You might not be a plumber, but sometimes your hot water issues might have a very simple solution. I unplugged my hot water recirculation pump. Controls. 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. Wasted Power. Re: Problem with Hot Water Recirculation; Author: Aemmech (MN) You forgot one key element of the hot water loop. 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. Hot Water Recirculation: Controlling for Comfort and Savings . It also possible for your recirculation pump to waste power if the return pipes have not been insulated properly allowing heat to easily escape. Not every domestic hot water recirculation system requires a return line. Trunk-and-branch or home-run supply line? © 2017 by Secure Aqua - All Right Reserved Hot water circulation pumps are certainly not new as they have been used extensively in high-end hotels and restaurants for years. Some pumps may, in fact, not have ample power to activate a tankless water heating system. This process saves water, utility costs, and energy and sewer expenses. A professionally installed recirculating pump may be the answer to solve this issue. Description . 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. Some pumps may, in fact, not have ample power to activate a tankless water heating system. We added information from each image that we get, including set size and resolution. So, that water sitting in your pipes from the tank to your faucet ends up cooling to the ambient temperature. 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. 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. Modern systems now come with a timer that automatically turns on the pump at set or regular intervals, particularly during peak water usage times. When it cools down too much, the valve opens and the pump pushes the water back into the cold lines, … Your pump is not compatible with your system. I just installeda watery heater and now seem to have air in the lines … read more. When it senses that hot water is returning to the heater, it shuts off the pump. * https://www.phcppros.com/articles/157-naeca-update-will-bring-changes-to-water-heater-size-and-efficiency. Sometimes hot water recirculation pumps have small motors which are unable to produce sufficient head pressure. 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 hot water recirculation pump provides hot water without wasting water. 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 … The hot wat … read more. The pump runs … Having an inefficient hot water circulator as just described can significantly effect your pocket book. They are now becoming a common amenity, particularly in large multi-family residential buildings and hotels where this type of convenience is expected. A hot-water circulation system with a demand-controlled pump can save both water and energy. Gravity/Thermal expansion characteristics from “ moving ” water through the pipes as they gradually lose heat to easily escape work. 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