0733886746419

Model ACT-E1

Internet #100037011

Undersink Instant Hot Water Circulating System

$255.99 /each
  • Built in automatic sensor
  • Instant hot water for all fixtures
  • Easy to install

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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

54 Questions116 Answers

Customer Questions & Answers

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

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7 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 (7)

Asked by
Read all my Q&A
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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4 answers

Does the cold water get warm when the cold valve is open?

This question is from Undersink Instant Hot Water Circulating System
Asked by
Casar, NC
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June 26, 2016
Thanks, Geneo
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Answers (4)

Asked by
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June 28, 2016
Answer: 
Since water from the hot water line is pumped into the cold line until the preset temperature is reached, there will be some warm water in the cold line. However, if the pump is not running and the warm water has been flushed out of the cold line since the last time the pump ran, the water temperature from the cold line will be as if the pump is not installed.
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Asked by
Philly Area
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Home Improvement Profile: Professional
June 28, 2016
Answer: 
Water from the 'hot' side is pumped into the 'cold' side so as the hot water gets closer to the pump, the 'cold' water side will gradually take on a slight warming until the pump senses the 'hot' has arrived and shuts the unit off. But remember, the temperature of the warm water will eventually dissipate back to the ambient temperature that the cold water would normally be if it were sitting in the pipes Read More
Water from the 'hot' side is pumped into the 'cold' side so as the hot water gets closer to the pump, the 'cold' water side will gradually take on a slight warming until the pump senses the 'hot' has arrived and shuts the unit off. But remember, the temperature of the warm water will eventually dissipate back to the ambient temperature that the cold water would normally be if it were sitting in the pipes in your walls or basement. Read Less
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Asked by
Myrtle Beach, SC
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Home Improvement Profile: DIYer
June 28, 2016
Answer: 
Yes, the cold water tap will deliver warm water for a few seconds (up to 30 seconds in my house) before delivering cold water.
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Asked by
Fort Mill, SC
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Home Improvement Profile: DIYer
June 27, 2016
Answer: 
It is my experience that you will not see the cold water temp be any different than what it is now. That being said you may experience slightly warmer cold water of the first ounce or two when cold faucet is first opened. Most noticeable if pump has just completed a cycle
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4 answers

does theModel # ACT-E1 require return piping?

This question is from Undersink Instant Hot Water Circulating System
Asked by
post falls, Idaho
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June 15, 2016
is there a installation video?
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Answers (4)

Asked by
CASAR, nc
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August 9, 2016
Answer: 
No, it uses the cold water pipe! G Meade
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Asked by
Philly Area
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Home Improvement Profile: Professional
June 20, 2016
Answer: 
The unit is usually installed under the faucet connections at the furthest end of the water run, like the master bathroom sink or kitchen sink. This allows the 'Hot' line to be continuously 'charged' and ready to go.
There is no need for return piping because the top of the unit acts as a 'jumper' that connects between the hot and cold line at the installation point. It's at this location that the Read More
The unit is usually installed under the faucet connections at the furthest end of the water run, like the master bathroom sink or kitchen sink. This allows the 'Hot' line to be continuously 'charged' and ready to go.
There is no need for return piping because the top of the unit acts as a 'jumper' that connects between the hot and cold line at the installation point. It's at this location that the pump 'pulls' from the hot water side and 'return' the water to the cold water side until the water gets hot enough to activate the shut-off system and it stops pumping. In this way, no water goes down the drain and you don't waste water.
There are Youtube videos also demonstrating these installations that are helpful like:
https://www.youtube.com/watch?v=lE2QFLlEXNw
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Asked by
Fort Mill, SC
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June 17, 2016
Answer: 
No return piping required. Yes there are installation videos just do a search in ACT-E1 install video
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Asked by
Myrtle Beach, SC
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Home Improvement Profile: DIYer
June 17, 2016
Answer: 
No extra piping is required. It uses the cold water pipe as a return. (You'll have a few seconds of hot water when you open the cold water tap).
Installation is fairly simple but I found this step-by-step video on YouTube.
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4 answers

How much noise does this pump make, i.e. is it loud enough to hear at night?

This question is from Undersink Instant Hot Water Circulating System
Asked by
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January 16, 2016
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Answers (4)

Asked by
CASAR, nc
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August 9, 2016
Answer: 
Very little, I mounted ours with a piece of rubber gasket, works great! G Meade
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Asked by
Fort Mill, SC
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June 17, 2016
Answer: 
It is very quiet I used a soft fiber pad on the mounting bracket to minimize any vibration noise that might occur
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Asked by
new england
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Home Improvement Profile: DIYer
January 29, 2016
Answer: 
This is almost silent. At night, you should have the timer go off, so you don't waste hot water. Have the timer turn the unit on 30 mins before you wake, and you should have hot water waiting for you without much energy waste, and no water waste.
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Asked by
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January 19, 2016
Answer: 
no noise at all
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Customer Reviews

Rated 4.4 out of 5 by 220 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 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 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 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 Hot and Now This recirculating pump works very well and it only took about 30 minutes to install. No more waiting for warm water. With a septic system, it really reduced water usage. August 2, 2016
Rated 5.0 out of 5.0 by Not spending all my time waiting on hot water Very easy to install. Working very well. Great investment. August 3, 2016
Rated 3.0 out of 5.0 by Not as good as the original I had the original circulator installed several years ago and it worked very well. It was quiet and effective. Recent plumbing work allowed the circulator to run dry for some period of time and I thought the impeller was damaged so I replaced the circulator with the new model. This one seems to run more often and is not as quiet. I doubt it will last as long as the original one did. As it turned out, the original impeller was not damaged and I am considering putting it back in. July 7, 2016
Rated 5.0 out of 5.0 by why did i wait so long!!!!! so easy to install, did it myself, works great. don't wait to get this! no more waiting for the shower to get warm. July 20, 2016
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