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where do you put a hot water recirculating pump

by Prof. Claudine Schaden Published 3 years ago Updated 2 years ago
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Installing a water recirculating pump will require you to add some piping to allow water to flow continuously through the hot water system. Typically, the pump is installed in close relation to the holding tank, but you can also install recirculating pumps near faucets which are used often to provide instant hot water at that location.

Part of a video titled How to Install a Hot Water Recirculating System - YouTube
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There's the hot water recirculating pump which will be installed onto the hot water discharge lineMoreThere's the hot water recirculating pump which will be installed onto the hot water discharge line of your water heater.

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How to install solar hot water?

What should pay attention to the installation of solar water heaters?

  • Installation Steps. When mounting collectors, make as few roof penetrations as possible. ...
  • Starting up for the first time: At this point all electrical power to the system is off, the cold water supply valve is off, the collector isolation valves are off ...
  • Normal Operation Description. ...

How to install a submersible water well pump?

  • Pliers: You'll use a pair of pliers to attach nuts and bolts to the pump during the installation process.
  • Piping: During the installation, you'll run piping from the well to your home or structure where the water will be used.
  • Crimp connectors: You'll use crimp connectors to securely connect the piping to the well pump.

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How to install centrifugal water pump?

  • Start from the impeller side. ...
  • Use a pulley to unscrew the impeller.
  • Next, remove the mechanical seal on the impeller.
  • Remove the lock ring/bearing guide pin behind the impeller.
  • Tap gently on the shaft using a rubber or wooden hammer.
  • Remove the bearings along with the shaft.
  • Inspect if the bearings are in good condition. ...

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How to install a hot water heater relief valve?

Water Heater Repair: How to Replace the TPR Valve

  • Replace the TPR valve. Cut the overflow tube on a top-mount TPR with a hacksaw. ...
  • Add an expansion tank. If a new TPR valve didn’t solve the problem, solder in a “tee” and a female-threaded fitting on a horizontal cold water line near the water ...
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Are recirculating pumps bad for pipes?

Unfortunately, these systems can be vulnerable to flow-accelerated corrosion, sometimes called erosion corrosion, which in turn can quickly mushroom into a costly and disruptive problem.

Which direction should a circulator pump be?

0:115:13circulator water pump motor rotation flow direction looking at ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipGoes is forced around that scroll and out that side so the direction of rotation as you're facingMoreGoes is forced around that scroll and out that side so the direction of rotation as you're facing this one is counterclockwise. Because the direction of that scroll is counterclockwise.

How do you run a hot water recirculating line?

5:366:58Hot Water Recirculating Loop - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd it's working really well what we've done obviously the heater runs a little bit more often you'MoreAnd it's working really well what we've done obviously the heater runs a little bit more often you're trading using less water for using more gas everything's a trade-off. But.

Does a recirculating pump need a return line?

Not every domestic hot water recirculation system requires a return line. For residential and light commercial applications, there is another way to save water and maintain hot water at the last fixture.

Should a circulation pump be on the flow or return?

The best place for the pump(s) is still on the flow side. This keeps the bulk of the system under positive pressure from a combination of the pressure imposed by the system water connection, and then when the pump is running, the pressure provided by the pump.

What will happen if pump rotation direction is reversed?

When the impeller rotates in reverse, fluid enters the eye of the impeller as normal. But instead of the impeller velocity forces flinging the water out of the impeller and into the volute, the impeller vanes cup the water and direct the flow in the opposite direction of the volute.

Will a recirculating pump prevent freezing?

Install hot water recirculating pump. Installing a hot water recirculation system helps ensure that you always have hot water in your taps and prevents pipes from freezing during the winter.

Do hot water recirculating pumps run continuously?

While the system is capable of running continuously, it doesn't always do this. Most hot water recirculating pumps come with sensors or timers to regulate operation. Sensors can detect the temperature of the hot water in the pipe, only running the recirculation pump when the temperature drops below a specified level.

How do I circulate the hot water in my house?

0:394:25How to Get Hot Water with a Recirculating Pump - YouTubeYouTubeStart of suggested clipEnd of suggested clipBack at the heater is a pump that moves hot water through the recirculation. Line it'll get hotMoreBack at the heater is a pump that moves hot water through the recirculation. Line it'll get hot water to the furthest plumbing fixture. And will deposit. Any cool water that was in the line.

How much electricity does a hot water recirculating pump use?

Secondly, hot water recirculation pumps use a decent amount of energy - this also needs to be factored into potential savings. A pump that consumes 25 watts of power would use around 200 kWh of electricity each year. The average price of electricity in the US and Canada is $0.13 per kWh and $0.17 per kWh, respectively.

Can you circulate hot water without a pump?

Joseph Stoddard responds: In the situation you describe, you can get acceptable results without a pump. The hot water "passive recirculation" loop is a technique I learned from an old plumber years ago. I've successfully used this technique a number of times when the bathroom is located above the hot-water heater.

Is a Hot Water Recirculating Pump Worth It? 10 Pros and Cons

How to Install a Hot Water Recirculating Pump - The Home Depot

How far away is hot water when a hot water valve is opened?

When a hot water valve is opened, hot water is never more than a few seconds away. Instead of hot water having to be pushed all the way through the system from the hot water tank, it only has to be pushed through the line leading from a primary water line to the faucet itself.

Why do you need a recirculating water system?

To reduce waste and increase efficiency, a hot water recirculating system will keep the hot water moving through your pipes (in a loop) so that the water is ready to use as soon as you turn the faucet on. Keep reading to see if this system is right for you.

How does a hot water heater work?

A standard hot water heating system only heats water at the tank, and from there it has to travel through your pipes to reach an outlet. This results in a delay between turning on the hot water and getting hot water out of the faucet.

How long does it take for hot water to reach a faucet?

As a rule, if it take more than 5 seconds for hot water to reach a faucet, installing a recirculating pump could save you money in the long term, but it may also be a good idea to look at other heating methods as well.

Why is it important to have a new water pump?

A new pump is crucial to your savings as well, since older models tend to operate continuously rather than on demand. Furthermore, well insulated plumbing pipes can prevent energy loss and increase the efficiency of any water heating system.

Do hotels use recirculating pumps?

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 . 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.

Is spot heating water cheaper?

On the other hand, spot-heating water may be more affordable with the use of an inline water system that can be mounted under a cabinet or in a nearby closet. A hot water recirculating system may be a big investment for small families, but it can be a great way to save money in a large household where hot water is in greater demand ...

Say goodbye to waiting for hot water. A hot water recirculating pump provides a warm shower on demand

Say goodbye to waiting for hot water. A hot water recirculating pump provides a warm shower on demand.

What Is a Hot Water Recirculating Pump?

A hot water recirculating pump attaches to your water heater. It circulates hot water throughout your pipes to keep it readily available at the faucet. It’s affordable and doesn’t waste water.

Types of Hot Water Recirculating Pumps

There are two main types. One requires an additional plumbing line to send unused water back to the water heater after it drops below a set temperature. The other returns the unused heated water via your existing cold water pipes.

Why To Get a Hot Water Recirculating Pump

According to the National Resources Defense Council (NRDC), studies suggest that “over 10 percent of all the hot water drawn for showering in a typical single-family home is wasted waiting for hot water to arrive.”

Hot Water Recirculating Pump Costs and Considerations

Griccino says a hot water recirculating pump costs about $200, and many comfort systems can be DIY installed. Better to go with professional installation if you need new plumbing.

How does a water heater recirculate?

Accessing Hot Water With a Recirculation Pump 1 A recirculation line is a separate water pipe that runs off the hot-water line from the farthest plumbing fixture back to the water heater. 2 A pump at the water heater moves hot water through the recirculation line. Any cold water in the recirculation line is returned to the heater. 3 A check valve must be installed in the line to ensure hot water only goes in one direction. 4 An aqua-stat is mounted to the hot-water pipe. When it senses that hot water is returning to the heater, it shuts off the pump. 5 A timer is used to ensure that the system isn't maintaining the recirculation line when you're away at work or sleeping. 6 All-in-one pumps are available that have the aqua-stat and timer built into them. 7 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 has finally arrived from the heater.

What is a recirculation line?

A recirculation line is a separate water pipe that runs off the hot-water line from the farthest plumbing fixture back to the water heater. A pump at the water heater moves hot water through the recirculation line. Any cold water in the recirculation line is returned to the heater.

What is an all in one pump?

All-in-one pumps are available that have the aqua-stat and timer built into them. 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 has finally arrived from the heater. Related.

Why do you need a timer on a water heater?

A timer is used to ensure that the system isn't maintaining the recirculation line when you're away at work or sleeping. All-in-one pumps are available that have the aqua-stat and timer built into them.

How Does a Hot Water Recirculation System Work?

The aim of installing a hot water recirculation system is to cut down on water wastage and also avoid having to wait for up to a minute to get hot water in a faucet/shower head. By the way, how much water is wasted by having to wait until all the cold and lukewarm water flows down the drain before taking a shower?

Is a Recirculating Pump Worth It? Pros and Cons of Hot Water Recirculating Pumps

If you are looking at it from a return on investment (ROI point of view, a hot water recirculating pump will not save your money. The much it saves in water bills is utilized in power bills. What this pumps offers is convenience.

Alternatives to Hot Water Recirculating Pumps

If recirculating hot water pumps are out of the question for you, there are other methods you can use to try and beat the hot way delay in your fixtures. Here are 2 of them:

Best Hot Water Recirculation Pump

If you are looking for the best hot water recirculation pump in the market, I wouldn’t hesitate recommending the Grundfos 99452459 UP15-10SU7P/LC Instant Hot Water Comfort Recirculation Pump System. It is a little pricier than others in the market but the extra dollars are worth it.

10 Pros and Cons of Recirculating Pumps

When winter approaches people usually ask about recirculating pumps. While there are many pros and cons, but here are a few of the most important.

What is a Hot Water Recirculation Pump?

A hot water recirculation pump provides instant hot water to any fixture in your home. They are installed above your water heater and work through a motion sensor placed near water fixtures. The sensor valve knowns when your water drops below a certain temperature, and automatically pumps more hot water to your system.

Is a Hot Water Recirculating Pump Worth It?

A hot water recirculating pump will save you money, especially if you have a larger family. A family of 4 with normal water usage can expect to save $50-$75 a year. Since pumps cost about $200 each, the recirculating pump will pay for itself in 3-4 years. .

Types of Recirculating Pumps

There are essentially two different kinds of recirculation pumps that you will likely to be looking into.

Should You Buy a Recirculating Pump System?

Although there are both pros and cons to recirculating pumps, I believe the comfort of instant hot water is worth it.

ABOUT HOT WATER RECIRCULATING PUMPS

There are two main components to an effective hot water recirculating system: the recirculating pump installed on the hot water discharge line of your home’s water heater, and the sensor valve installed on the supply lines of a faucet at the farthest distance from the water heater.

SHUT OFF AND DRAIN THE WATER HEATER

Shut off the power that connects to the hot water heater. For gas units, turn off the gas and make sure the pilot light is off

INSTALL THE PUMP

With an adjustable wrench, disconnect the hot water discharge line coming out of your water heater. Insert a gasket into the female fitting on the recirculating pump and screw it onto the threads of the water heater discharge outlet. Use Teflon tape and tighten with a wrench.

TURN THE WATER BACK ON

Slowly reopen the water supply valve going to the water heater and make sure there are no leaks. Once it’s fully opened, you can turn off the faucet that you left open elsewhere in your house.

INSTALL THE SENSOR VALVE

Select the sink faucet in your home that is the farthest distance from the water heater. Clear out everything under the sink so you have an open workspace, and prepare a shallow pan with a towel to catch any water that may drain out of the pipes while you work.

SET THE TIMER

Consult the owner’s manual on how to set the timer on your recirculating pump. Program the timer around peak use times, setting it to start 30 minutes before the first shower is taken in your home and stop 15 minutes after the last shower. Remember to also program around your laundry and dishwashing needs.

Why do we need a recirculating hot water pump?

The principal purpose that a hot water recirculating pump is installed in a home or anywhere else is to reduce the time you need to wait for the hot water to arrive after the faucet or tap is opened. A recirculating hot water pump an ideally be useful in avoiding unnecessary water wastage.

What is a recirculating pump?

A hot water recirculating pump is designed to provide you with a reasonable degree of performance enhancement. It provides you access to a great degree of enhancement in terms of providing you instant hot water supply at the point of fixtures and faucets. They have been widely used in restaurants, hotels, and even in homes to reduce water wastage and annoying waiting times for the hot water supply.

How much water is wasted waiting for hot water to arrive?

It has widely been estimated that 31 gallons of water are wasted in an average US home while waiting for the hot water to arrive.

Does a water heater save electricity?

Of course, if you compare the regular water heater technique without the recirculation technology can help you save on your electricity bills.

Can a hot water pump save money?

With the rats of water set to rise high, the wastage of water can prove to be very costly. Using the hot water recirculating pump can efficiently save you money. With a focus on the ever-increasing cost of water, opting for the right water-saving techniques can help you save a great deal of money.

Can you save money by installing a water recirculating pump?

But, given the cost of water, you would indeed be saved. If you install a hot water recirculating pump with a timer and a proper sensor valve, you will end up saving enough money on the water wasted or even in terms of the electricity usage. Of course, electricity charges would always be extra in the case of a hot water recirculating system.

Is a hot water recirculation pump good?

The hot water recirculation pump system can be a blessing in disguise and can help you achieve a huge number of benefits in getting the best out of the system. However, as with any technology or machine-based system, you are quite likely to come across a few issues.

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Where Are Recirculating Pumps used?

Advantages

Disadvantages

  1. Begin by shutting off the wateron the shut-off valves on the cold water pipe running into the hot water heater. This valve is usually on top of the heater. Check to make sure that the flow of hot w...
  2. Disconnect the flexible water supply line on the hot side of the water heater where it goes into the water heater. Have a rag nearby to catch any residual water that will come out when the fl…
  1. Begin by shutting off the wateron the shut-off valves on the cold water pipe running into the hot water heater. This valve is usually on top of the heater. Check to make sure that the flow of hot w...
  2. Disconnect the flexible water supply line on the hot side of the water heater where it goes into the water heater. Have a rag nearby to catch any residual water that will come out when the flexible...
  3. Screw the pump onto the hot side of the water heater. As you tighten it, make sure the timer face is turned in a direction where it can be readily adjusted. Plumber's tapecan be used on the threads...
  4. Reconnect the hot water line to the top of the recirculating pump, and tighten with channel-ty…

Installation Considerations

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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. The advantage of having hot water on demand coupled with reduced energy costs makes the use of such devices appealing for a number of r…
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