Model # ACT-E1

Internet #100037011

null Undersink Instant Hot Water Circulating System
0733886746419

Undersink Instant Hot Water Circulating System

  • Built in automatic sensor
  • Instant hot water for all fixtures
  • Easy to install
$242.10 /each

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Product Overview

With 1 simple installation of the Autocirc Undersink Instant Hot Water Circulating System you assure instant hot water delivery to all fixtures in your home. A built-in sensor automatically turns on when the water temperature dips below 85 degrees Fahrenheit.

  • Requires only 33 watts of power
  • Easy undersink installation with no extra plumbing required
  • Customize system operating periods to suit family usage with the built-in 24-hour timer
  • 6 ft. power cord included

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Customer Questions & Answers

58 Questions148 Answers

Customer Questions & Answers

Undersink Instant Hot Water Circulating System
Undersink Instant Hot Water Circulating System

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8 answers

Will this work with a tankless hot water heater?

This question is from Undersink Instant Hot Water Circulating System
Asked by
Rancho Cucamonga
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October 6, 2015
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Answers (8)

Asked by
Fort Mill, SC
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October 13, 2016
Answer: 
No you need the e10 model
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Asked by
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June 23, 2016
Answer: 
For a tankless hot water heater, the recirculator needs to draw enough water to trigger the heater to activate. I've purchased two of these from Home Depot.... the first worked OK, it was on the same level as our standard hot water heater, about 50 feet away.
When we installed a tankless water heater closer to the device (15 feet), the device still worked. We then ordered and installed the second Read More
For a tankless hot water heater, the recirculator needs to draw enough water to trigger the heater to activate. I've purchased two of these from Home Depot.... the first worked OK, it was on the same level as our standard hot water heater, about 50 feet away.
When we installed a tankless water heater closer to the device (15 feet), the device still worked. We then ordered and installed the second device, upstairs and about 75 feet from the tankless water heater, and that did not work (could not trigger the tankless to start). We subsequently purchased the Laing model specifically designed for tankless systems, and that operates properly
The right Laing Model is E-10, etc., and is available online elsewhere, not home depot. Shop around, prices vary. We paid about $400, at Faucet Depot.
Laing E10-BCANCT1W-23 AutoCirc E10 Series Circulator with Timer, Cord and Fixed Thermostat
Manufacturer Discount: Laing5 (5%)
Item No: E10-BCANCT1W-23
Finish: None
Brand: Laing
Read Less
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Asked by
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May 25, 2016
Answer: 
This system seems to work on my tankless water heater. Appears to be some confusion in the other answers provided... a tankless water heater does not deliver instant heat at all faucets. Rather, the tankless heater is located remotely from the faucets (just like a regular hot water heater).
In addition to running hot water through the house plumbing, needs to also route through the series of pipes Read More
This system seems to work on my tankless water heater. Appears to be some confusion in the other answers provided... a tankless water heater does not deliver instant heat at all faucets. Rather, the tankless heater is located remotely from the faucets (just like a regular hot water heater).
In addition to running hot water through the house plumbing, needs to also route through the series of pipes within the heater (that's how they work). All this means it takes longer for the hot water to reach your faucet with tankless, so even more reason to hope this system will solve the problem.
Wait times for hot water at the closest sink have reduced considerably since I turned on the system, so assuming it's working as advertised. Read Less
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Asked by
new england
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Home Improvement Profile: DIYer
January 29, 2016
Answer: 
No. The flow rate on this unit is too low to trigger the Tankless Hot Water unit to click on. You need a high flow system. Taco makes one. This pumps flow very quickly then turns off -- it is a single cycle system... e.g. you turn it on, it recirculates water until the hot water in the pipe is hot, and then turns off. You have to reactivate the pump the next time you want 'instant' hot water.
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Asked by
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January 8, 2016
Answer: 
Yes, if the tank-less system works properly it should ensure a hot water supply, regardless of flow rate. You may be able to test a low flow rate by cracking a hot water valve to listen for when the tankless system turns on
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Asked by
denver, co
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Home Improvement Profile: DIYer
November 5, 2015
Answer: 
you do not need this with a tankless hot water heater. your tankless water heater should be making hot water as you turn on the sink and have hot water all the time
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Asked by
alamo,ca
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October 20, 2015
Answer: 
Don't know it did not work at all for me
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Asked by
Saint George, UT
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Home Improvement Profile: Professional
October 19, 2015
Answer: 
This pumps flow rate is too low to trigger tankless water heaters burners which require 0.50gpm or greater flow rates.
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5 answers

On-Off switch vs timer?

This question is from Undersink Instant Hot Water Circulating System
Asked by
Santa Rosa, CA
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January 20, 2016
Does it come with an on-off switch / push button? Can the timer be deactivated?
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Asked by
Fort Mill, SC
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October 13, 2016
Answer: 
No on/ off switch. You can set timer for continious or timed
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Asked by
Saint George, UT
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August 22, 2016
Answer: 
This system is designed to operate either continuously or on a schedule. If you plugged the pump into a switched socket and put the pump in continuous mode, then you could operate it similarly like a switched or push-buttoned system. However, this is not a rapid hot water delivery type of pump and the delay it would take to prime the line with hot water could be 3 or more minutes. And, forgetting to turn Read More
This system is designed to operate either continuously or on a schedule. If you plugged the pump into a switched socket and put the pump in continuous mode, then you could operate it similarly like a switched or push-buttoned system. However, this is not a rapid hot water delivery type of pump and the delay it would take to prime the line with hot water could be 3 or more minutes. And, forgetting to turn the switched outlet off will place a noticeable demand on your water heater. Read Less
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Asked by
CASAR, nc
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August 9, 2016
Answer: 
The unit has a timer or manual, you can install a power switch in the circuit!
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January 30, 2016
Answer: 
This will have an on/off function and the timer is fully adjustable.
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Asked by
new england
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Home Improvement Profile: DIYer
January 29, 2016
Answer: 
Yes. There is an off/on/timer switch. Or you can just set the timer to be "ON" at all time slots. No push button.
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5 answers

Is there a way to manually turn the pump on?

This question is from Undersink Instant Hot Water Circulating System
Asked by
Roseville, Ca.
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October 20, 2015
At times I have a varied schedule and don't want to have to go under the sink to turn it on
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Asked by
Saint George, UT
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October 13, 2016
Answer: 
You could plug it into a switched outlet. However, this is not a rapid hot water circulation pump. You will still end up waiting a few minutes depending on the distance from the water heater. For quick hot water deliver via push button/ wired or wireless... consider the TL4000n hot water circulator or TL5000n systems found on the internet.
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Asked by
Fort Mill, SC
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Home Improvement Profile: DIYer
October 13, 2016
Answer: 
You would have to plug it into a switched outlet. If you leave it in continuous mode it only runs when the hot water is less tha 95 deg until it gets to 95 then shuts off. i use mine in continuous and it only runs a few hours a day total
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Asked by
CASAR, nc
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August 9, 2016
Answer: 
The motor uses very little power, you may set the timer or let the pump operate all the time, you can install a power switch for manual operation, the pump should be on 20 minutes before use! G Meade
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Asked by
denver, co
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November 5, 2015
Answer: 
yes, you can either set the timer, or keep it off or on all the time
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Asked by
Erie, Pa
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October 21, 2015
Answer: 
The pump has three settings on the timer, ON constantly, on with timer (you can choose multiple times for on & off), or OFF(in this position timer keeps time but will not turn on)
Only other option would be to install a switch on the electric line going to the pump. The pump is mounted under the sink and would be hard to get under the sink every time you want to turn on the pump on.
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5 answers

Can the temperature be raised on the pump from 95 to 110?

This question is from Undersink Instant Hot Water Circulating System
Asked by
New Mexico
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October 7, 2015
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Asked by
Fort Mill, SC
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October 13, 2016
Answer: 
No
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Asked by
new england
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January 29, 2016
Answer: 
I think this unit is not adjustable. Shuts off at 95F. They do make a unit that does have an adjustable thermostat, but HD does not sell it. If you look around and you can find it. The manufacturer is Laing.
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Asked by
denver, co
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November 5, 2015
Answer: 
yes I put a thermostat to the water and got around 110-115
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Asked by
Saint George, UT
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October 19, 2015
Answer: 
Unfortunately, no.
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Asked by
Whidbey Island
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October 15, 2015
Answer: 
There are no external controls that allow you to alter the temperature setting. Keep in mind, this is just a circulating pump, not a water heater. So the thermostat in the pump may switch the pump off but you'll still have water at the faucet that is equal to the temperature setting on your water heater. Nonetheless, there have been times that I thought a higher setting would make sense. For example, in Read More
There are no external controls that allow you to alter the temperature setting. Keep in mind, this is just a circulating pump, not a water heater. So the thermostat in the pump may switch the pump off but you'll still have water at the faucet that is equal to the temperature setting on your water heater. Nonetheless, there have been times that I thought a higher setting would make sense. For example, in the summer the water in the pipes on the lower floors cools faster than the pump that I have set up in the top floor where air temperature can be 90 degrees all day. That tends to create spotty hot water. Fortunately, when it's that hot in the house, hot water isn't as critical. Read Less
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Customer Reviews

Rated 4.4 out of 5 by 224 reviewers.
Rated 5.0 out of 5.0 by UNDER SINK HOT WATER CIRCULATION SYSTEM Our hot water is located about 50 feet from our back bath room, it took some time for the hot water to reach the bath, with this unit the hot water is there in a few seconds after the faucet is open! Geneo July 20, 2016
Rated 4.0 out of 5.0 by Fairly easy to install if you can find the room under your sink. My only negative with this arrangement is that the cold water is no longer cold until it runs for awhile. October 25, 2016
Rated 3.0 out of 5.0 by Works Fine but clunky Unit arrived in a box taped "Custom Order" which it wasn't, it was off the shelf. Seals were broken, it was obviously a returned and restocked item, not new. The 24 hour timer is clunky; it uses tiny plastic teeth to select the run hours. Very hard to set without breaking. One of the teeth had been broken off and taped to the unit. I was worried that it wouldn't function, I probably should have sent it back. But installation was easy. Setting it is difficult because the teeth are so small and delicate. It seems to be working fine but when I needed to have it start one hour earlier it was hard to change the setting once it is installed and difficult to reach. August 23, 2016
Rated 5.0 out of 5.0 by Great Pump My wife had been complaining about how long it would take for the water to get warm in our bathroom upstairs. It would almost take 1 minute before the water was warm. In looking around at a number of options I decided to give this pump a try. I order this pump and it came the next day. Installation was very easy and had hot water in no time. My wife is much happier now. Just know before purchasing you will need to have an outlet under the sink or close by to plug this pump in. Other than that we love this pump. August 30, 2016
Rated 5.0 out of 5.0 by 1 month of use, no issues, Hot H2O in 20secs! Overall my master bath shower took just over 2+20sec for the water to get warm enough to get in. With this pump, the time is down to 20secs. Hardest part of the install is creating another power outlet under the countertop to plug into. The parts to recreate another circuit off a pre-existing one was less than $12 I believe. There's examples on YouTube, the pain will be fishing the 12gauge indoor wire (3wires in one) through the current circuit to your new one. One you have the new circuit the plumbing of the pump is very straightforward. Its very quiet, and if anything you will hear a slight hum when its on. I have mine set for evenings only. If I need to take a shower off the normal timer I'll just reach down and turn it on, and once its stops I'll turn it off and use the shower. So impressed that I also install one on my parents place that had a similar situation with the same great results. Its great, this device should be mandatory for all homes with over a 30ft run to primary showers, just think of all the water we WOULD have saved NorCal. April 12, 2016
Rated 1.0 out of 5.0 by Does NOT work with Tankless water heaters. This product is great and all, I'm sure, as described in most reviews, but one must read the Q&A section before purchasing in order to figure out that it is NOT compatible with a tankless water heater, which is what I intended to use it for. The description, and the specifications listed for this item should have clearly stated this to avoid such an inconvenience to the consumer.... or they should have at least listed the products flow rate so that we can compare it with he minimum flow rate required to activate the tankless water heater, but they do not display any of this... I guess to sell the product better. Not a good move on their part. July 1, 2016
Rated 5.0 out of 5.0 by Good solution and easy install Navigating and ordering from the Home Depot web site was as easy as any on-line shopping site I’ve ever used before. They shipped the item the same day and I received it 2 days later. Installation is very straightforward thanks to the diagrams provided in the installation manual. The hardest part was figuring where I wanted to mount the pump and what size hoses to get to connect the pump to the faucet. Please note: I had more trouble with the existing water valves not closing properly after years of non-use than I did the actual installation of the pump. After making the water connections, set up the timer (if your using that feature) and you’re done. Something to keep in mind is that if your plumbing branches or splits (see illustration) from the main water lines then you won’t necessarily have “instant” hot water at all your faucets. This fact is noted in the troubleshooting section of the installation manual. In my case, all of my faucets have instant hot water except for the kitchen which is about 60 feet away from the bathroom faucet where I chose to install the pump. However, while not perfect, installing the pump cut the wait time for hot water at the kitchen faucet by more than half (from 80 seconds to about 30 seconds). Also, you’ll have to wait about 10 seconds for warm water (left in the pipes by the pump) to get cold when turning on the cold water faucet. Not a big deal at all. Very quiet operation. You can hear the pump operating only if you really listen for it and the room is quiet. (My timer shuts it off at 9PM) March 31, 2016
Rated 5.0 out of 5.0 by Works Good Installed in Master Bath Under Sink about 80 to 95 feet away from water heater ( longest run). Pipes installed under ground with NO INSULATION. In Florida and I wish I knew or I would of paid extra for insulation, however builder did not inform me. This circulator installed easy, just need 2 more silver flex hoses from HD and electric to plug in. I use a plug /switch combo and it takes 5 minutes for the water to come out hot. I do not use timer function just turn on and off as needed. Before installed If I run hot water in morning, it takes 90 seconds and wastes 2 gallons of water to get hot water, ( I measured with plastic gallon) a real waste since you pay for water and sewer fees on usage. Turn on pump several times a day and water adds up. Also closer baths and kitchen get instant hot water since the pipes come up and down at each fixture location, so no waste of water resources. The pump is pretty quiet, I can hear it run but really not that noticeable. Pump is made well. Be careful where you drill hole to mount pump that you do not hit pipes in wall. Also I silicones the cabinet seams so if there are water leaks it does not destroy cabinet, not a lot just enough. Be sure to check for leaks frequently, I had no leaks at all. August 23, 2016
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