Laing ACT-303-BTW AutoCirc1® Hot Water Delivery System

    with  FREE SHIPPING  and  MORE!

We are the Best Value - we are a plumbing supply so we know what it takes to make your installation easy. We are the only place that includes an installation kit -  the stuff that you need to install the AutoCirc.  

We've added just what you need to made a great thing even better! We have included FREE with your new AutoCirc® pump the two 20" Stainless Steel, Braided - Flexible Supply Lines that are required for your installation - no one else that we know of does this!  Plus we ship the AUTOCIRC®  ACT303 to you FRIEGHT FREE TOO!

Here is what AutoCirc does: AutoCirc® gives you instant hot water where and when you want it.

No more "Run-Off" - No longer will you need to run water down the drain waithing to geet hot water to your faucet, saving you thousands of gallons of water per year!  You will Save water, energy,   ---  your time and money with AutoCirc by Laing.

AutoCirc®: as seen on Michael Holigan's  TV Show "Your New House"!

The AutoCirc® pump is installed under the sink or faucet farthest from the water heater - where hot water usually takes the longest amount of time to arrive. AutoCirc ACT303BTW has a built-in 24-hour timer, which allows selection of system operating periods to suit your living pattern. Once the AutoCirc is set up to come on A built-in temperature sensor automatically turns the AutoCirc® pump on and deliver hot water to the point-of-use where the AutoCirc is installed. , when the water temperature in the hot water supply line cools down to 85°F. This cool water in the hot water supply line is then pumped into the cold water line and back into the water heater. The AutoCirc® pump turns off automatically when the hot water supply line to the faucet reaches 95°F, ensuring the instant availability of shower warm water with maximum temperature hot water only seconds behind. When the pump is automatically turned off by the built-in thermostat, an auto closure device prevents hot or cold water from mixing in either supply line. Hot water will also be instantly available at all other faucets in the supply line between the water heater and the faucet where the pump is installed.

Be a Water Saver, by practicing water-conserving habits you can help conserve hundreds of gallons of water per day!

Water Quality
Let's all work together to keep our water supply first rate, clean and safe.

Look to the Future
When it comes to water, it's everyone's job to get involved, to be prepared and to help to ensure high-quality water in the future. We all know that the price of water and energy will only increase.

(Laing Part Number: 9967)

Laing ACT-303-BTW AutoCirc® Features

• You get your hot water immediately!
• Save a minimum of 15,000 gallons of water annually for the average family.
• With the Instant Hot Water at your dishwasher will deliver improved performance and economy.
• Saving water reduces water bills or well pump duty.
• Saving water reduces waste to sewage output and load on septic systems.
• Saves money and pays for itself in a short period of time.
• Reduces emissions - greenhouse gases.
• The ACT303BTW Auto Circ Is silent during operation.
• ACT303BTW Auto Circ has a built-in 24-hour timer, which allows selection of system operating periods to suit your living pattern.
• Auto Circ ACT303BTW Requires only 33 watts - 0.3 amps of power.
• Costs only pennies a day to operate.
• Laing  ACT303BTW Aut Circ Includes a thermal cutoff swith built into the pump.
• Comes complete with a built-in 6-ft. long cord with plug for connection to a standard 115-volt outlet.
• Easy installation kit is included with the ACT303BTW Auto Circ.
• MFG Brand Name : Autocirc
• MFG Model # : ACT-303-BTW
• MFG Part # : 9967

Installation of the Laing ACT-303-BTW AutoCirc1®

Tools required to install an AutoCirc1® ACT303BTW:

• Adjustable Wrench
• Screwdriver Seven easy installation steps

Steps required to install an AutoCirc1® ACT303BTW:

1. Select sink under which the autocirc should be located (sink where hot water takes longest to arrive).
2. Install a 115 volt outlet under sink or run cord to outlet near sink.
3. Turn off angle stops valves and disconnect existing supply hoses from the hot and cold water supply inlets of the faucet.
4. Attach small end of the new flexible supplys to pump housing and attach other larger end to the hot and cold water supply inlets of the faucet.
5. Attach existing supply hoses from the angle stop valves to the 1/2" hot and cold water inlets of the AutoCirc pump.
6. Set pump timer for desired operation period.
7. Install the AutoCirc to the wall under the sink with the bracket provided. Turn on the water at the angle stop valves and plug in the 115 volt cord into the outlet. Turn on the desired run mode setting and the system is now operational.

Here is a link to the Instruction Manual (266 KB)

FAQs about Laing ACT-303-BTW AutoCirc1®

AutoCirc® Questions & Answers

Q. When should I consider installing an AutoCirc® under sink automatic hot water delivery system?
A. In an existing home or building whenever you must wait 30 seconds or more for hot water to arrive at the faucet or shower farthest from your water heater.

Q. Where should the system be installed?
A.Under the sink (plumbed between or to the side of the hot and cold water faucet inlet risers) where it takes hot water the longest time to arrive at the hot water faucet - usually the sink/faucet farthest from the water heater.

Q. Is there a limitation on the size of the home or length of water supply line for an AutoCirc® system to be effective?
A. No. However, the longer the hot water supply line, the longer the pump operating cycles. This, however, is of no consequence to system's effectiveness or system life expectancy.

Q. When I open the cold water faucet at the sink under which the AutoCirc® system is installed, what prevents hot water from the hot water supply line from coming out that faucet?
A. The pump housing has a built-in auto closure device which prevents water from the hot water line coming through the cold water faucet and vice versa. The only exception is that when the cold water faucet is opened during one of the intervals when the pump is running, warm water will be directed from the hot water line through the cold water faucet. The warm water flow, however, will last only a very short time and end once the water temperature in the hot water line reaches 95ºF, thereby shutting off the pump.

Q. What if I have a branched hot water piping system where one hot water supply line goes to one part of the home and another line goes to another part of the home?
A. Two AutoCirc® systems would have to be installed - one under the farthest sink on each line. The AutoCirc® system will keep hot water available at all faucets on the same hot water supply line used for the system installation site.

Q. Since water from the hot water line is being pumped into the cold water line will there be any prolonged period of warm water coming out of the cold water line?
A. No. Once the cold water faucet is opened any "warmish" water in the cold water line takes a very short time to dissipate before the normal cold water temperature arrives.

Q. What is the temperature of the hot water at the hot water faucet when I first turn it on in the morning?
A. If the pump timer is set to allow the pump to go on before you turn on the faucet the temperature will be around 95ºF, which is basically shower warm water. However, full temperature hot water will arrive only seconds later.

Q. Will the other faucets in my home have hot water instantly available?
A. With the AutoCirc® system installed under the sink farthest from the water heater, all the hot water faucets directly on the main hot water supply line between the water heater and the farthest faucet location will have instant hot water available. For those faucets located on branch lines off the main hot water supply line, availability of hot water will take slightly longer to arrive than for those faucets located on or just off the main water line.

Laing ACT-303-BTW AutoCirc® Operating Cost Savings Summary

LAING AUTOCIRC PUMP

Operating Cost Savings Summary

Based on 3 bedroom home with 4 occupants, water heater 60 feet from farthest fixture, non-insulated ¾" copper hot water supply line with Laing Autocirc Undersink System Pump at the farthest fixture from water heater. 

Gas Water Heater

Chart Calculation Factors For Gas Water Heater:

1. Savings of 34.2 gal./day of previously heated water wasted from discharging down drain.  (350 days/yr. = 11,970 gal./yr.)
2. Water heater is set at an average temperature of 140°F, has an efficiency rating of 65%, and a heat rise temperature value of 100°F.
3. The incoming water temperature is 40°F.
4. Gas cost per therm includes taxes and charges.
5. Gas savings in therms result from not having to heat wasted water less the gas used to offset piping heat losses. (101.71 therms/yr.)
6. Additional piping heat losses are based on 10 BTU/hr./ft. in 60 feet of 3/4" uninsulated hot water supply piping.
7. Water cost is based on $2.02/100 cu. ft. and sewer surcharge cost is based on $1.35/100 ft.3.  (Total water cost savings = $53.79/yr.)
8. Cost to run pump = $1.24/yr. (Based on $0.10/kWh, pump running 4 min./hr., 16 hrs./day, and 350 days/yr.)
9. Numbers are rounded off.

Electric Water Heater

Chart Calculation Factors For Electric Water Heater:

1. Savings of 34.2 gal./day of previously heated water wasted from discharging down drain.  (350 days/yr. = 11,970 gal./yr.)
2. Water heater is set at an average temperature of 140°F, has an efficiency rating of 100%, and a heat rise temperature value of 100°F.
3. The incoming water temperature is 40°F.
4. Electrical energy savings in kWh result from not having to heat wasted water less the energy used to offset piping heat losses. (1,924.69 kWh)
5. Cost per kWh includes taxes and charges.
6. Additional piping heat losses are based on 10 BTU/hr./ft. in 60 feet of 3/4" uninsulated hot water supply piping.
7. Water cost is based on $2.02/100 cu. ft. and sewer surcharge cost is based on $1.35/100 ft.3.  (Total water cost savings = $53.79/yr.)
8. Cost to run pump = $1.24/yr. (Based on $0.10/kWh, pump running 4 min./hr., 16 hrs./day, and 350 days/yr.)
9. Numbers are rounded off.

Notes:

1. Use of insulated copper supply line on Autocirc ACT303BTsystem would result in additional savings.
2. Actual savings may differ from household to household depending on a variety of factors including water use habits, length of hot water supply line, number of home occupants, etc.

Above summary based on study and analysis prepared by Edward Saltzberg and Associates, consulting mechanical engineers. Copies of this detailed analysis are available on request from Laing Thermotech, Inc.

Instant Hot Water Recirculation Systems - Facts You Should Know

• The Laing SM-303 model low flow/low energy circulator is the most ideally suited unit for conventional instant hot water recirculation systems for the following reasons:
  • Require only less expensive 1/2" return lines rather than 3/4' lines.
  • Even with 1/2" copper lines, flow velocities are kept well below the Copper Institute's recommended 5 ft./second velocity limit due to the SM-303's low flow output - insuring long, trouble-free copper piping life.
  • Whisper quiet operation - basically inaudible during operation.
  • Low flows combined with low energy pump motor (only 33 watts) insure maximum system operating savings as indicated in the attached.
  • Using larger recirculation pump (65 watts or larger) results in a noisier operating system, having to use more expensive 3/4" recirculation lines or experiencing significantly reduced copper pipe life due to increased flows and velocities if 1/2" pipe is used, and seeing a significant reduction in annual system savings.
• The Laing ACT-303 undersink instant hot water pump system also offers instant hot water at all faucets availability without the need for the installation of a recirculation line - truly a real benefit for existing homes where a conventional system requiring recirculation lines would be impossible or unduly expensive to install.
• Other considerations relative to installation of instant hot water delivery systems:
  • Water (and sewer) disposal savings can vary from home to home from 8,000 to as much as 20,000 gallons per year depending mainly on length of distance between the water heater to the farthest faucet and number of occupants in the home.
  • Use of low flow shower heads and faucets required by a number of areas simply increases the wait for hot water to arrive at a particular faucet, therefore, further justifying the need for an instant hot water delivery system.
  • For washing machines and dishwashers, hot water is available instantly when required rather than when the hot water finally arrives from the water heater, thereby improving the operating efficiency and effectiveness of these appliances.
  • Once a non-insulated hot water line is fitted with say 130F it usually takes only 30 to 45 minutes for the water in this line to cool down to 80F or below when the system is dormant - thereby, again requiring the usual wait for hot water to arrive from the water heater to a particular faucet if no recirculation system is installed.
• Although the installation of a Laing instant hot water recirculation system provides specific economic benefits such as water savings, sewer savings, and water heater operating cost savings, over 80% of present users say their main motivation for installing such a system was the convenience and time savings associated with having hot water instantly available at the faucet. The operating cost savings is simply a plus.