Laing ACT-303-BTRW AutoCirc Retro-Fit Circulator Pump with Line Cord, Timer, Check Valve, and Thermo Review

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(More customer reviews)Yes it works ... sort of. Installation was easy using stainless braid flex lines and since it went under the kitchen sink where power was already available no wiring was needed, otherwise it would have been a major hassle. It seems well made and runs quietly.
The problem is that the hot water line under the house cools faster than the line under the sink where the pump & thermostat are located. The upshot is that instead of instant hot water, you get nearly instant warm water. It does help and the hot water warms faster than without it but if you're looking for fully hot water in a matter of seconds, you'll be dissapointed. It's an improvement but not the total solution I was hoping for.
Probably insulating the hot water line where possible in the crawl space would help. Guess I'll try that next.

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The Laing ACT-303-BTRW AutoCirc Retro-Fit Circulator 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.A built-in temperature sensor automatically turns the Laing ACT-303-BTRW AutoCirc Retro-Fit Circulator Pump on 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 Laing ACT-303-BTRW AutoCirc Retro-Fit Circulator 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 AutoCirc pump is installed.Laing ACT-303-BTRW AutoCirc Retro-Fit Circulator Pump Features:; AutoCirc saves the average family a minimum of 15,000 gallons of water annually. ; AutoCirc saves money and pays for itself in a short period of time (see Energy Savings Chart) ; AutoCirc is silent during operation. ; AutoCirc has a built-in 24-hour timer, which allows selection of system operating periods to suit your living pattern. ; AutoCirc requires only 33 watts -- 0.3 amps of power. ; AutoCirc costs only pennies a day to operate. ; AutoCirc comes complete with a built-in 6-ft. long cord with plug for connection to a standard 115-volt outlet.Laing ACT-303-BTRW AutoCirc Retro-Fit Circulator Pump has Only 7 Basic Installation Steps:; Select sink under which the AutoCirc should be located (Sink where hot water takes longest to arrive). ; Install a 115 volt outlet under sink or run cord to outlet near sink. ; Turn off angle stops valves and d

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Laing E1 ecocirc Recirculating Pump Review

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(More customer reviews)The kitchen sink is on the completely opposite side of our house from the water heater. It seemingly took forever for any hot water to get there. Now there is warm water instantly and hot water is just seconds behind. It has been extremely nice this winter, avoiding freezing water from the tap.
Cheaper recirculating pumps utilize a a plastic valve under the sink that will wear out and need replacement. The body of the valve in this pump is brass and looks like it will last for a very long time.

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The auto circpump is installed under the sink or faucet farthest from the water heater - wherehot water usually takes the longest amount of time to arrive. A built-in temperature sensor automatically turns the autocirc pump on when the watertemperature in the hot water supply line cools down to 85º F. This cool water in the hot water supplyline 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 a temperature of 95º 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.Another beneficial feature is that hot water will also be instantly available at all other faucets in the supply line between the water heater and the faucet where the autocirc pump is installed.

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Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP Recirculator Pump (595916) Review

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(More customer reviews)My plumber installed a Grundfos comfort system ( pipe and valve) for a guest bath, meaning I had hoped to use the timer on the pump and not have the pump on 24hours a day 7 days a week, but rather on only when I had guests and other wise the pump would be would be off. Turns out my situation is not a good fit for this system's characteristics. Using it the way I hoped to I have ALOT of hot water in the cold supply when the pump is off. When the warm supply is cool to cold the Comfort Valve is Wide open (ie a gallon or so a minute flow) and puts way too much hot water in the cold water supply, for the faucet where it is installed and critically other nearby faucets, which suffer from back flow as well . So now rather than wait for the hot water supply to deliver warm water .We have to wait for the cold water supply to supply cold on nearby faucets. The product reference material from GRUNDFOS doesn't point this out, if it had I would have done something different. My Plumber and I both spoke to Grunfos tech support on this one. THUMBS DOWN to Grundfos for not identifying situations where this system is not a fit.

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Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP Recirculator Pump (595916)The Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP Recirculator Pump is a Comfort Series Instant Hot Water System. Includes timer and line cord. Grundfos Pumps is proud to bring the comfort and savings of hot water recirculation to the existing homes market with the Comfort Series Instant Hot Water System. The Comfort System includes a Grundfos UP15-10SU7/TLC circulator and the revolutionary Comfort Valve. The stainless steel circulator, complete with timer and 10-foot power cord, is installed directly to the hot water discharge on the water heater. The Comfort Valve is installed under the sink at the fixture furthest from the water heater, and the system uses the existing cold water line to return hot water to the water heater. The Grundfos circulator pumps, Series UP, are specifically designed for heating systems. The pumps are also suitable for circulation of hot domestic water and for circulation of liquid in cooling and air-conditioning systems.SPECIFICATIONS - Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP Recirculator Pump:; Flow range: 0 - 6.5 U.S. GPM; Head range: 0 - 6 FEET; Motors: Single Phase, 115 Volts; Maximum fluid temperature: 150;F (66;C); Minimum fluid temperature: 36;F (2;C); Maximum working pressure: 145 PSI; Connection: 3/4-inch M X 3/4-inch FNPT; TLC = Timer, Line CordCONSTRUCTION - Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP Recirculator Pump:; Stator Housing - Aluminum; Spherical Seperator - Stainless Steel; Rotor Can Complete - Stainless Steel/Tungsten Carbide; Rotor, Impeller - Stainless Steel, EPDM, PRO, PFTE, Graphite; Pump Housing - Brass MS 58; Isolation valve - PPO; Stainless Steel; Terminal Box Cover, Motor Cover- Pa66/6; Light - Lexan; Cable, Cable Relief - PVC; Insulating Cover - EPP 55; Orings - EPDM; Check Valve - POMMOTOR - Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP Recirculator Pump:; Insulation class: F; Power consumption: 25W; Volt

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LAING Autocirc Pump with Timer and Cord Review

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(More customer reviews)Installed this pump in three steps. First, installed a 115-volt outlet under the sink that was farthest from the water heater, a distance of about 50 feet. There were three other sinks and two showers all hooked to the hot water pipe that ran between this farthest sink and the water heater. Second, I insulated the hot water pipes leading from the water heater to this farthest sink. Most of these hot water pipes were located in a suspended ceiling. If the pipes were in a wall, I ignored trying to insulate them, figuring the wall was enough insulation. Third, I installed the pump under the sink. I set the timer to operate whenever I plan on using hot water in any of the sinks (i.e., 0600-2400). I have had the pump installed for about a year and appreciate it every day. When the water at the sink cools to 85 degrees, the pump cycles "on." When the water temperature reaches 95 degrees at the sink, the pump cycles "off." The water from the hot water side gets pumped to the cold water side so that the cold water is about 90 degrees, but that water cools rapidly. When the cold water faucet is turned "on," the cooler water quickly gets to the faucet. This pump is perfect for my needs.

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AutoCirc Pump with Fixed ThermostatPLEASE NOTE: All AutoCirc pumps must be installed vertically. Please read all installation instructionsFeatures:Does not require a return line.Requires only 33 watts of power.Comes complete with a 6 ft. long power cord.Requires only one pump and one installation for all fixtures on the hot water plumbing line.Fixed thermostatSaves the average family of four up to 17,000 gallons of water annually.SIlent operationSaves energy, money, water and pays for itself in a short period of timeBuilt-in 24 hour timer which allows the selection of system operating periods to suit family usage.

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Watts 500800 Premier Hot Water Recirculation Pump, Blue Review

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(More customer reviews)I don't know why few stores carry this and few people are aware of this great product, including those sales persons in home improvement stores. It gives instant warm water to all the rooms in your house, it saves 10,000 gallons water a year (really, I measured and calculated) and it is so easy to install.
Doubt about if it really works? Try this: go to the farthest faucet in your house and open the hot water. Once the water becomes hot, close it, but not fully, leaving a very small stream. Now go to other faucets and open hot water, you bet, instant hot water! It'll keep this way as long as you keep that small stream flowing.
The problem is that small stream goes wasted. How about recycle it into the hot water heater? Sure, but how? The hot and cold water lines have the same pressure, therefore water cannot go from the hot line into the cold line. What if I add a pump into the hot line? Exactly, that's what this Watts product does. Problem solved.
For a practical and fine product, Watts also add a temperature sensor, so the recirculation only happens when the hot line becomes not so warm. This, plus the stream is really small, adds very small extra energy cost to the heater.
The pump is very small, only 25 watts, using less electricity than a lighting bulb. There is also a 24-hr timer (in 15-minutes increments), allowing you to shut the entire system off during the periods when you do not use warm water, such as sleep and work times. This reduces even further the already very small added energy cost. BTW, the pump is thoroughly quiet, no audible noise at all.
An alternative product is the Laing Autocirc. It is a single piece can all be installed under a sink, could be a better choice for some people. The downside is you need (to add) a AC socket there to power the pump. The upside is the pump does not operate continuously like the Watts; it is controlled by the temperature sensor and thus turns on only when water becomes not so warm. Might save some more Watts than the Watts. Both are available in Home Depot stores.
I cannot think of a single reason not to install such a system into any house. Instant hot water without any side effect or significantly added extra energy cost and saving tons of water each and every year. I wish I have done this long ago and this product will be more widely spread.
PS, a tip: before you start the installation, go to Rite Aid or alike store and buy a pack of Hose Washers for [标签:Content].99 (e.g. Plumb Craft by Waxman, 74-114, 6 pieces). After you unplugged the hose from the heater and before you plug it to the pump, you should remove the old washer and use 1 or, if the old one is very thick, 2 of the new washers (I had to use 2). The old washer was usually hardened by the high temperature; if you don't replace it, it will leak water. The menu does not mention this, so I learned this the hard way. BTW, hey Watts: for a $200 product, such washers should have been included.

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Whole House Hot Water Recirculating Pump, Recirculating Pump Mounts To The Hot Water Outlet On The Water Heater & The Sensor Valve Mounts Under The Furthest Lavatory In The House Run, Turns Plumbing Into A Re-Circulating Loop, Every Faucet Will Have Hot Water Instantly, On/Off Timer On Pump Activates The Pump When You Need Hot Water, Saves Over 10,000 Gallons A Year In Wasted Water, 120V Pump Motor With 10' Grounded Plug, Easy To Install.

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