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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Wayne PC2 115-Volt 340 GPH Portable Transfer Water Pump, Bronze Review

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(More customer reviews)This is a very nice little pump. There are two problems though. It pulls 14 amps. If you want to use it in standard DC applications, a 10 amp max is more compatible. To use this in an automated/switched environment, I had to find a special relay to use. Second, the impellers burn out fast if this pump runs dry. There seems to be no easy way to order additional impellers and that's a pain.

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PC2 Features: -Chrome-plated bronze transfer utility pump. -Kit includes: 72'' Suction hose, water suction attachment and replacements parts kit. -With suction attachment connected, filters debris and removes water down to 0.13'' of surface. -0.75'' Suction/discharge for easy connection to standard garden hose. -Portable transfer pump you can take anywhere. -Easy carry handle for portability. -1-Year warranty. Specifications: -Pumps up to 340 GPH @ 0'. -Voltage: 120V. -Phase: Single-phase.

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Little Giant VCMA-15ULS Condensate Removal 1/50 HP Pump with Safety Switch Review

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(More customer reviews)I've been staying with some folks for a while and noticed that they manually emptied their dehumidfier daily. They've been doing it for 8 years!
I installed this pump in no time and they'll never have to empty it again!
This pump works great. Very basic, but it does the job nicely. It makes very little noise. Turns on / off smoothly and quietly. Pumps for a few seconds to clear out the basin and then goes back to rest until it fills again.
The pump does not come with either inbound or outbound tubing / hose, so you will need to buy them separately.
Also, I found the instructions a bit skimpy and less clear than they could have been. You just need to read it closely and do a bit of fiddling to get it to work properly.
As elsewhere mentioned in these reviews, a key thing is to ensure that the water / condensate source (i.e., the dehumidifier or AC unit) is higher than the Little Giant pump. This allows the water to flow easily 'downhill' into the Little Giant basin.
In my case, this required putting the dehumidifier about 8" up on a box, then fiddling with the hose to ensure it flowed cleaning downhill to the pump.

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The company that has always been the forerunner in condensate removal pump design, introduces the new generation VCMA Series. Adding features for every installation. Fully Automatic, new generation float arm for enhanced reliability. Suitable for high-efficiency, gas-furnace condensate. 3 drain holes with 20ft. shut off head and 8.7 PSI. Capable of drawing 50 GPH @ 5ft.. Intermittent Liquid Temp. up to 120deg F. Little Giant Pump Company once again defines state-of-the-art in pump design. UL and CSA listed. 1-year limited warranty. Flow (GPH):65 GPH with a 1 ft. rise, Volts: 115, HP: 1/60, Max. Total Head (ft.): 15, Max. Suction Lift (ft.): 5, Discharge Port (in.): 3/8, Volute: Glass-filled Flame Retardant Polypropylene, Impeller Shaft: Glass-filled Flame Retardant Polypropylene, Power Cord (ft.): 6, Thermal Overload Protection: Yes

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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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