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Replacement Comfort Valve for Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP Recirculator. The Comfort Valve is installed under the sink at the fixture furthest from the water heater.
(based on 17 reviews)
of respondents would recommend this to a friend.
Most Liked Positive Review
Saves time, water
Having read a number of online gripes about the Grundfos (sold also under the name Watts)recirculator, I was skeptical about this product. However, I am pleased to say that in my house...Read complete review
Having read a number of online gripes about the Grundfos (sold also under the name Watts)recirculator, I was skeptical about this product. However, I am pleased to say that in my house it just works. For years I watched untold thousands of gallons of water and who knows how much money go literally down the drain, waiting for hot water to reach the sink.The genius of the recirculator is that when the fauctet is off, the recirculator keeps a small amount of hot water circulating from the hot into the cold line. When the hot water faucet is turned on, you get an immediate flow of water warm enough for washing, followed quickly by full-out hot water.If your house has hot water fixtures running off different main lines or "trees," you will need a valve on the furthest fixture of each tree. Extra valves come as kits with the faucet coupling hoses. However, you can save quite a bit by buying just the valve as I did, and supply your own hoses. If you do this, be aware that only flexible faucet connector hoses with a one-half inch garden hose-type female connector containing a (normal) internal sealing washer will securely connect to the valve. If your faucet has a 3/8 inch female fitting, you will need a brass male-male adaptor(also available in the plumbing department) to make the connection between the 3/8" female faucet end of the connector hoses and the female connectors of the faucet. Discard the compression ring and fitting that come with the adaptors; you will not need them. Do not try to connect a brass 1/2 to 3/8 inch male-male adaptor to the valve; it will not thread properly and you will break the valve, especially, according to the company, if you try to use teflon pipe sealing tape. If you use the garden hose type connections I have described, everything will fit nicely witout any leaks.Another tip: Set the temperature of your hot water heater to 120 degrees. Hotter water will eventually damage the valve, which is probably the reason some people have complained that the valves don't last very long. I have not had any durability problems with my valves.
Most Liked Negative Review
Not a long term solution
These valves are good until they build up scale and then they are useless and no known way to repair or maintain. The timing is dependent of course on the water composition. So I...Read complete review
These valves are good until they build up scale and then they are useless and no known way to repair or maintain. The timing is dependent of course on the water composition. So I have to change out valves every 2 years or so, it gets a little expensive.
Reviewed by 17 customers
Displaying reviews 1-10
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(1 of 1 customers found this review helpful)
puts to much hot water into the cold lin
from Blue Bell PA.
Comments about Comfort Valve:
Way to much hot water is pushed into the cold line. Now I have to run the cold as long as I used to run the hot( about 1 ( minuete )to get cold water. Very counter productive!!
Bottom Line No, I would not recommend this to a friend
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I would buy this product again.
from Sequim, WA
This sensor switch was a comfort life saver. The existing one in our recirculating system stopped working this December and it was bad to not have instant warm water, Would hope this one might last longer than the previous one.
Bottom Line Yes, I would recommend this to a friend
from Birmingham, AL
The valve does the job of recirculating
from Indio, CA
The valve does the job of recirculating hot water without the need for additional plumbing. The quick shiping was a big help.
It would be a good product if it would last longer than 6 months.
By THRILL SEEKER
from CANTON, GA
THIS PRODUCT ELIMINATES THE ISSUE WITH WAITING FOR HOT WATER TO RUN WHEN THE SINK HAS NOT BEEN USED IN A WHILE. MAKE SURE THAT YOU DON'T EXCEED THE 150 DEGREES MAX TEMP SETTING ON YOUR WATER HEATER. MOST WATER HEATERS ARE ABOUT 150 DEGREES ON THE NORMAL SETTING. I NORMALLY USE THE WARM OR (133 DEGREE) SETTING WHEN THE DEMAND IS LOW OR 2-3 SHOWERS ARE NEEDED IN THE MORNING ON MY 50 GAL WATER HEATER. I HAVE A 3.5 BATH HOUSE AND ONLY USED ONE VALVE FOR THE TWO BATHROOMS UPSTAIRS, ONE VALVE IN THE KITCHEN AND ONE VALVE FOR THE TWO SINKS IN THE MASTER BATH. BECAUSE I AM RETIRED (EMPTY NESTER), MY WATER COMFORT PUMP IS SET TO RUN DURING THE DAY ONLY AND GO OFF AT NIGHT WHEN WE SLEEP. I AM VERY HAPPY WITH THE SYSTEM. I RECOMEND THAT THE VALVES BE INSTALLED USING FOUR FLEX HOSES ATTACHED SO THAT A VALVE CAN EASILY BE REPLACED OR BYPASSED IF NEEDED. THE VALVE HAS FAILED WHEN EXCESSIVE HOT WATER STARTS COMING OUT ON THE COLD WATER SIDE OR SOMETIMES THE COLD WATER SIDE STOPS FLOWING ALL TOGETHER. REPLACE THE VALVE WHEN THAT HAPPENS RATHER THAN CALLING A PLUMBER.
from Louisville, KY
Save Big! Simple DIY project
By Retired Accountant
from Charlotte, North Carolina
Last time this comfort valve needed replacing I used a plumber - expensive!I found this replacement valve online and installed it myself in 10 minutes - painless process from purchasing to installation.
Replacing this valve repaired my system
from Dallas, TX
My Grundfos recirculator system recently ceased working after functioning normally for a few years. Since the pump was running, I decided to replace this valve. Now it works perfectly! Other helpful reviewers advised against trying to clean a malfunctioning valve, so I didn't try. But when I took it off I could see some recessed crud.
Hot Water Again
from Phoenix, Arizona
We had the Grundfos Recirculating pump system installed on top of our water heater about three years ago. Lately, my wife noticed we were not getting hot water quickly in our master bath where the valve is located under a sink. Along time ago, I figured out to start a diagnosis of a problem with the most obvious thing that could go wrong being first to check. So, I figured it must have clogged up and I ordered a replacement valve. It only took about 10 minutes to change out. Within a day we had hot water again in the morning!
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