On demand Hot water pump not working


Many homeowners experience a long wait for hot water to reach their shower or bathroom faucets that are not located near to the hot water heater. This delay is caused by water that has cooled down while standing in the hot water line pipes. While the homeowner waits, the shower or faucet is left open, and the water running, which simply goes down the drain, thereby wasting the cost of the water as well as the sewer cost of removing the water.

The solution is an On Demand Hot Water Pump.

On demand Hot Water Pump

An On demand, Hot Water Pump drives a recirculation system, which is activated as needed by a homeowner, to pull hot water from the water heater, while simultaneously sending cooled-off water from the hot-water lines back to the water heater.

In addition to having the convenience of near-instantaneous hot water, the system conserves water and uses little energy.

How does an On Demand Hot Water Pump work?

After you push a button,...

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We have all been there. It is a cold morning and you are ready to take a nice warm shower. You turn on the faucet and wait, and wait, and wait, and then after what seems like an eternity, hot water finally comes out of the faucet.

You probably have only waited three to four minutes, but during that time almost three gallons of precious water has been wasted running down the drain.

This process is repeated for countless showers, baths, dishes and other daily tasks all across the country every day. The average household wastes around 40 gallons a day or almost 14,000 gallons of water a year!

What you are dealing with is basic plumbing. The hot water sitting in your water heater has to move to the faucet. In front of that hot water is cold water sitting in the pipe. The cold water has to be moved out of the pipe in order for the hot water to reach the faucet.

A Hot Water on Demand Pump solves this problem by temporarily...

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The Enovative AutoHot™ Demand Controller Learning Center Support

How is the The Enovative AutoHot™ demand controller different from other typical hot water circulation pumps?

Conventional hot water circulation pumps typically operate on a continuous basis, 24/7, whether or not people are actually using hot water. This is an excessive amount of pumping as there are only two times that the pump should be circulating hot water: 1) When there is demand for hot water, and 2) When there is no hot water in the pipes. By using sensors that detect both hot water demand and loop water temperature, the Enovative AutoHot™ demand controller operates more efficiently than any other control strategy that is available.

How long does it take to install the Enovative AutoHot™ demand controller?

Installation of the Enovative AutoHot™ demand controller usually takes between 1-2 hours and is done by a trained plumber or boiler technician.

How does the...

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Many new homes these days are plumbed with a dedicated loop that circulates the hot water, often via gravity, to the fixture that is farthest from the hot water heater. As the water in the hot pipe cools down it becomes heavier and drops down this dedicated line to the water heater in the basement and the hot water, which is lighter, rises through the plumbing up to to the fixture farthest from the heater. This is great if your house has a basement and the builder was forward thinking enough to plumb it this way. If not, or you live in a one story house, then you need an electric pump to move the water. Many of these systems operate the pump via a timer that corresponds to your regular pre-work/shower routine. These are ok if you keep a regular schedule but I prefer a on-demand system that only circulates the water when you tell it to.

Metlund on demand recirculation kit "...
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Q. "How do I know which activation system to choose?"
A. The type of activation system you choose will be based on both personal preference and your installation limitations. Each system comes with one hardwire activation button (almost like a doorbell) included. The buttons can be placed anywhere you need hot water, but they must be directly wired to the pump so this type of activation can sometimes be difficult for retrofits and is generally recommended for new home construction or during an extensive remodeling. It's the same for the hardwired motion sensors as they must be connected directly to the pump.

The wireless remote control or the wireless motion sensors are often the best choice for those installing the D'MAND Kontrols® systems in existing homes. Only the receiver is hardwired to the unit and the remote control or sensors can be placed further away - in short, wherever you need them to be. Note that the motion sensors are designed to not allow activation...

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Having your own well gives you a few advantages over using the municipal water supply, especially the lower monthly costs of having fresh clean water easily accessible in your home. But you also have more water technology to maintain and repair to keep that dependable supply running through your faucets. From major issues of a low-yielding well to the more common problems that can occur with the pressure tank, switches and pumps, there are various things to be informed about with your well water system.

How to tell if your well pump is going bad:

No water flow from faucetsPoor water pressureConstantly running pump

Now that you know the signs, Mr. Rooter Plumbing has compiled a comprehensive guide to troubleshooting and repairing the problem, or knowing when it is time to call in reinforcements.

Need more information or assistance? Call the professionals at Mr. Rooter Plumbing!

What to Do If Your Water Stops Flowing

Chances are you’ll need to call...

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I camp a lot, and I tend to camp in remote areas that do not have facilities such as water, electric, or bathrooms available. When I am not actually camping, I like to spend time building 'toys' for camping.

When I am camping, water is very important. Many times I bring water with me in a storage tank, jugs, or buckets. Sometimes water is available from a spring or stream.

Although I can do all my cooking, cleaning, and bathing with water from a bucket or tank, it is much more handy to have a source of pressurized water, it's also fun to build a system to provide that water...

I could of just taken a 12 Volt On-Demand Water Pump and attached an inlet hose and an outlet hose, but where is the fun in that...

This instructable will show you what I built. It is certainly not the best or only way to do it, but it is what I did & I find it quite handy at the campsite. Hopefully this will give you a couple of ideas for your own water pump...

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On an average, it takes around 30-40 seconds for the hot water to reach the faucet or shower from where the water heater is installed. This problem can be easily solved with the help of a hot water recirculating pump.

The delay in the hot water supply can be very frustrating as it not only waste your precious time but also waste valuable water as well as consumes power supply.

Like most of the people, you would have faced the problem of delay of hot water from a water heating equipment.

The equipment helps to reduce the delay of getting hot water from the water heater and provide hot water quickly available throughout the plumbing connection of the entire house. Also, a water recirculating pump doesn't let the cold and warm water get waste to drain while waiting for the hot water. Altogether, it provides quick access of hot water and also saves a valuable amount of fresh water and power supply as well.

Best hot water recirculating pump reviews in...

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Are you someone who likes to have hot water ready at a moment’s notice? Are you tired of having to wait for minutes on end to get your shower or faucet up to the right temperature each time? If so, then a hot water recirculating pump may be the right thing for you. These handy devices allow you to manage the hot water in your house much more effectively, and can even save you a lot of money on your water bill. Today we’re going to look at some of the best hot water recirculating pump on the market, as well as go over the most important features and benefits you should pay attention to when making your final decision.

Top 6 Hot Water Recirculating Pump Comparison Table

Best Hot Water Recirculating Pumps Reviews - Top picks

1. Watts 500800 Hot Water Recirculating Pump

If simplicity and efficiency are the most important things to you (they should be), then this is a fabulous place to start with regard to finding the right pump for your home. Watts is...

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Depending on the size of you home and the distance of the plumbing pipes, some fixtures may require several minutes before hot water is delivered from a water heater that might be located some distance away. And how much water goes down the drain as you wait for that hot water to get delivered? In these times of sensitivity to water use, wasting hundreds of gallons of water is something to think about.

If you are tired of waiting for hot water or don't like the idea of wasting water, you might want to think about installing a hot water recirculating system or having one installed. The principle of these systems is simple. A recirculating pump installed in the plumbing lines creates a loop that circulates the water in the hot water pipes back into the water heater for reheating, rather than letting this water go down the drain as you wait for warm water. This means that as soon as you open a faucet or turn on a shower, warm water is already present in those pipes....

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Popular Demand Water Pump-Buy Cheap Demand Water Pump lots from China Demand Water Pump suppliers on Aliexpress.com Popular demand water pump of Good Quality and at Affordable Prices You can Buy on AliExpress. We believe in helping you find the product that is right for you. AliExpress carries wide variety of products, so you can find just what you’re looking for – and maybe something you never even imagined along the way. If you are interested in demand water pump, AliExpress has found 52 related results, so you can compare and shop! Try finding the one that is right for you by choosing the price range, brand, or specifications that meet your needs. Our selection of brands is always growing, so chances are your favorite is on AliExpress. You will find a high quality demand water pump at an affordable price from brands like SAILFLO. ...
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I've since upgraded my system, but it originally had a 12 Vdc RV water pump and a small pressure tank. I think having a pressure tank is a good idea.

Motors take an inrush of current to get them started. Once they are running the current draw drops down to the normal running current. The magnitude of inrush depends on several factors. I thought generally it 4 or 5 times the running current. A quick Google search gave me some websites saying up to 20 times. Anyway the point is given two pumps moving the same amount of water, one stopping and starting a lot, and a second stopping and starting just a few times. The first pump will have a shorter life and use more current.

Adding a pressure tank would minimize the cycling of thus decrease the current used and extending the life of the pump.

Now, with all that said SHURflo makes some kind of super duper water pump designed to work without an accumulator tank.

I've also install a low flow shower head to reduce that...

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Demand or Delivery Pumps are pumps used to send water from a storage tank to a point of use. Typical applications for demand pumps are to send water from a non-pressurized tank to a water vending machine or to increase water pressure from an undersink reverse osmosis unit to a refrigerator or icemaker that it is supplying.

When there is a "demand" for water, the pump comes on and supplies it. When the demand is removed, the pump shuts itself off.

When you push a button to fill a water bottle from a supermarket's water vending machine, the button-push activates a solenoid that opens a closed valve in the water line. When the valve is open, the pump senses a demand for water and comes on. It pumps water through the open line until you release the button, closing the solenoid-controlled valve and shutting off the demand. Closing the valve causes pressure to build in the delivery line and the pump senses the pressure and stays off until there is another demand for...

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Save over 10,000 gallons a year (the manufacturer claims up to 17,000) by installing a hot water Recirculation Pump. This pump makes hot water more quickly available everywhere in the home, thereby reducing the wait for hot water (and thus the savings by not letting all that cold and warm water go down the drain while waiting for hot water).

Hot water recirculation pumps can be located either at the water heater itself, or at a point of use (fixture) in the building, and either timer aquastat driven or on demand & aquastat

Pump at the water heater (dedicated return line)

Pumps located at the water heater are suitable for installations with a pre-installed hot water return line. The building's main hot water line is kept primed with hot water without pushing any hot or warm water into the cold water supply. However, hot water supply branches from the main supply line to individual fixtures are not kept hot, and there will be a short delay while this water is...

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While ACT, Inc. D'MAND Kontrols® hot water recirculation systems are NOT on demand hot water heaters, also known as tankless heaters, they do dramatically reduce the wait for hot water. Often, when people look for on demand hot water heater systems they are looking for a way to get hot water to their fixtures rapidly. ACT, Inc.’s D'MAND Kontrols® recirculating hot water pumps send cold water in the plumbing back to the water heater, via the cold water or dedicated return line, while simultaneously bringing hot water to all fixtures on that plumbing line, in a matter of seconds. Unlike other hot water recirculation pumps, the ACT, Inc. D’MAND Kontrols® pump does not allow hot water into the cold water line, and delivers hot water to the furthest fixtures on-demand, rather than on a timer based system. Even if you are already using an on demand hot water system, like a tankless water heater, the ACT, Inc. D’MAND Kontrols® pump will reduce your wait time for hot water. It is important...

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C3-100 (C3-100 $706.03)

This D'MAND KONTROL® System includes an electronic circuit board, thermosensor mounted in composite volute, 3/4" CPVC threaded connections, and internal check valve. Recommended for use with dedicated return lines in buildings up to 4,000 sq. ft. with tank water heaters. Or pipe runs up to 120 lineal ft. with tankless water heaters.

C3-100-PFS (C3-100-PFS $859.70)

This D'MAND KONTROL® System includes an electronic circuit board, thermosensor mounted in composite volute, 3/4" CPVC threaded connections, and internal check valve. Recommended for use with dedicated return lines in buildings up to 4,000 sq. ft. with tank water heaters. Or pipe runs up to 120 lineal ft. with tankless water heaters. *See PF KIT for more info.

S Series models:

S3-100 (S3-100 $866.76)

This D'MAND KONTROLS® System includes an electronic circuit board, thermosensor mounted in stainless steel volute, 3/4" threaded stainless steel...

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Have you ever woken up early with visions of jumping into a warm steam shower, only to find that your shower is freezing cold? Is it taking longer for your water to heat up to the desirable temperature? If so, then you understand what a hindrance it can be to have a problem with your hot water. Fortunately, in many cases, this problem is easily solved . . . as long as you know what is causing it. Here are some reasons why your hot water may have stopped working:
The pilot light. This is the simplest and easiest hot water problem to fix. Check your water heater to make sure the pilot light is still on (check your owner’s manual if you need helping finding the pilot light, as it is well hidden). If the pilot light is out, then you should follow the manufacturer’s instructions for how to re-light it.
Gas hot water heaters. If you have a gas hot water heater, then your problem may be caused by a leak in the gas line leading to the appliance. If this is the case, you may...

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Check for discolored water or smells. A well that has rust, brown or black elements in the water requires a treatment system to correct the problem. Residential wells, depending on their location and geographical region, can be drilled into areas that contain iron, sulfur, calcium, magnesium and other naturally occurring minerals. Iron, for instance, leaves rust stains or can grow iron bacteria inside your toilet tanks, creating a soft red-brown fur. Manganese leaves black stains on clothes and forms a coating inside refrigerator water lines. Contact a water treatment specialist in your area to fix this problem. Under-counter or faucet filters are not sufficient to correct the...

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