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The Grundfos MQ is a compact, all-in-one, flow based, plug-and-play pressure boosting system, designed for domestic water supply applications such as homes, cabins, cottages, farms as well as
gardens. The pump is suitable for pumping of potable water and rain water. The MQ, with it's smart operation is both
easy to install and reliable.
The MQ is a complete, all-in-one unit, incorporating pump, motor, diaphragm tank, pressure and flow sensor, controller and check valve. Built in safeties ensure long life of the pump. These safeties include: dry running; excessive temperature; any overload conditions. The MQ is a self priming pump and needs no priming other than that at installation. The MQ is a plug-n-play system.
(based on 9 reviews)
of respondents would recommend this to a friend.
Reviewed by 9 customers
Displaying reviews 1-9
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Great Little Pump
from Old Orchard Beach, Maine
Comments about MQ3-35 Pressure Boosting Pump (115V):
We used this to increase our water pressure in our home. Well, it works great and should have installed this when we built the house.Good price and quality pump.
Bottom Line Yes, I would recommend this to a friend
Was this review helpful? Yes / No
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(2 of 2 customers found this review helpful)
simple project great rewards
By gerry the fix it yourself guy
from old orchard beach maine
gives plenty of water pressure.pump is quite
(1 of 1 customers found this review helpful)
What a difference a pump makes!!
This pump delivered exactly as described. After many years of 15 lbs. of city water pressure it is great to have 50+ lbs. Installation was easy and the only problem was the need to retape the threaded fitting on the suction line. The pump runs quiet and I used pex tubing on the inlet and outlet to help with any vibration noise. I have the pump on line for about 2 weeks now and I am very pleased with it.
Not the same pump
By P. Collins
from Rochester, NY
The pump does boost the water pressure. The pump is easy to install. The pump is very quite. The pump IS NOT able to be regulated as far as I can find out. Tried support and have not heard back in a week. Pump comes on at 35 psi and shuts off at 85 psi so at first you will get a dip in pressure until it turns back on then it pumps to 85 even if you shut it off early. My first pump worked flawlessly just did not last as long as I had hoped. 6 years of residential use.
Good booster pump
from New Jersey
This is being used as a booster pump on my city water. My home reaches the required water pressure once during the day, so my town refuses to give me a pump. This meets my needs. This is my third Grundfos pump. I know that there are replacement parts that can be purchased for this pump, so perhaps I could repair the previous pumps which I still have. The problem is that I have no way of knowing which parts would need to be replaced since I have not been able to find any troubleshooting information that would be helpful for me. I would like to see Grundfos offer information for pump repair and not just to continue to require that I purchase new pumps. My last pump was good for 9 years. I would expect more out of a pump than that, but many people had a lot less years of service from their pumps. PexSupply was awesome with their pricing and shipping. I received my pump very quickly and the pump was well protected and did not show any damage in the shipping process. I would shop with PexSupply again in the future.
Simple to install - fittings mis-sized
from Durham, NC
Easy to install, very solidly built, quiet. Functions as advertised. However the plastic 3/4" NPT fittings were small, and it was very difficult to get them to seal. It took 2 sets of PVC valves and a lot of pipe dope to stop the leaks. Should have a union on both the inlet and outlet. Had to cut the pipe to get pump out to reseal the connections.
Great pump and easy to install.
from Amarillo, TX
These pumps are great. Easy to install and start up. They take up very little space.
(3 of 3 customers found this review helpful)
from Heber City, Utah
I am using this pump to correct low water pressure and flow from the municiple source (20psi). This pump has fixed all of our water woes and is very quiet. I was using a convertible well pump before and the noise was terrible.
from Cincinnati, Ohio
Great customer service..very, very reasonably priced! Look forward to doing business in the future.
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