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Rebuild grundfos sqflex pump

Was told pump could not be repaired or rebuilt. is this true.

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I had engine rebuilt. Car hard to start /runs real rough now im told they need $190. More to replace timeing belt pulley....does that come in. The rebuilding. The engine


depends on what you agreed on a full rebuild with new parts yes should be covered if a partial rebuild depends upon what was repaired

Aug 02, 2015 | Cars & Trucks

1 Answer

Waterpump not working


Either the start cap, start switch or possibly not getting enough voltage. You need to check winding resistance to ground. The manufacturer should have instructions on this. If there is any reading below about 10meg, just replace the pump. If it ran dry it will have burned up the pump internals.
This pump is not rebuildable. I tried once. So many parts and they make them so expensive you can buy a new one.
There are other pumps that cost much less on the market. Walrus makes one that works well and you can get two for the price of one Grundfos.
I would avoid the ones that have a pressure tank and other stuff. They work, but take up a lot of space and have too many things to fail. You can replace the simpler pump only models for the price of repairing the them.

Nov 17, 2013 | Grundfos MQ3-45 1 HP Pressure Booster...

1 Answer

Grundfos stopped circulating.


At approximately $238.95 new, it pays to do a bit of troubleshooting.
Below are some sites that may help:

http://www.plumbersurplus.com/Brands/Grundfos/74

http://waterheatertimer.org/Water-heater-recirculation-system.html#Grundfos


There are no repair parts for these pumps, and nobody at Fixya has reported taking Grundfos apart and repairing it.

Jan 21, 2013 | Grundfos Comfort System Recirculator ...

1 Answer

I hav a pennacle pump modle part 7_177474_01


WARNING YOU MUST PRIME THE PUMP FIRST about 3 gallons. if you don't it will burn up the shaft seal and slowly leak water into the motor.. need more help search your area for the pool pump repair guy and ask him for help you might be able to get the motor rebuilt, cost about $75.. pictures are a big help so have a few on hand ready to email.. Jay the pump guy in longwood Florida

Jul 22, 2012 | Grundfos MQ3-45 1 HP Pressure Booster...

1 Answer

First my Stihl Quikcut was getting too much gas now after rebuilding the carb it's not getting enough


Not sure who told you about the compression but that is not true, are you sure the throttle rod is actually pushing the throttle shaft open?

Mar 17, 2012 | Stihl Concrete Cutoff Chop Saw Clutch...

1 Answer

My water heater needed to be restarted and my comfort recirculation system isn't working now.I"m hoping it is just the timer. I need to reset the timer and I don't know how. I can't find my manual....


Grundfos timer and pump operate by plugging into ordinary 120V outlet.

1) If outlet has power, then dial on timer should rotate.
If dial is not rotating, then check power to outlet.

2) If outlet has power, but timer is not rotating then timer has gone bad > if grundfos pump is working but timer is not working, you can buy cheap plug-in timer and use that as the timer.

3) If outlet has power and pump is not working, then manually rotate timer dial to see if pump will start.
If pump will not start, then you need a new grundfos.
There are no repair parts for these pumps, and nobody at Fixya has reported taking Grundfos apart and repairing it.
My Grundfos pump will not come apart.

4) Following link has links to Grundfos installation manual, website, product manuals, and contact.
http://waterheatertimer.org/Water-heater-recirculation-system.html#Grundfos

5) To set timer: Grundfos timer dial has movable pins that are used to set on-off times.
When pins are pushed out, timer turns pump ON.

6) Rotate timer dial clockwise until current time lines up with arrowhead located on inner dial.
Dial rotates as time passes, and pins move a lever that turns pump on-off.

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on Grundfos or any do-it-yourself project.
Fixya is always less expensive than a service call.

Feb 09, 2011 | Grundfos Comfort System Recirculator ...

1 Answer

Need to find a link to the owner's manual/ repair manual for the Grundfos up10-16 b5/atlc......


Following link shows links to grundfos and grundfos manuals.
http://waterheatertimer.org/Water-heater-recirculation-system.html#Grundfos

1) My grundfos stopped working because sediment clogged the pump, and the motor slowed.
When motors slow, they get hot and burn up.
I ask my friend who rewinds motors how to fix it, he said in the old days, they rewound every motor, but today they throw valuable scrap into landfill, and then buy new motors from China.
I told him not to retire, but go to school and teach kids how to rewind motors, and then took apart the grundfos line and cleaned it out with CLR, but it never worked again.

2) If timer stops working, but pump still works, you can buy cheap plug-in timer and connect grundfos to the cheap timer

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jan 23, 2011 | Grundfos UP10-16B5/ATLC Comfort Series...

2 Answers

Just bought a house and it has a grundfos timer/pump attached at the hot water tank. I have no hot water and the timer doesn't turn (as I've seen other timers do). Is it supposed to turn so that the...


Grundfos is a sealed unit and not a repairable item.
The timer dial should turn.
And pins located around dial control ON-OFF functions as timer dial rotates.
geno_3245_93.jpg

Does the receptacle have power?
If receptacle has power, and Grundfos is not working, then it is broken.
Grundfos manuals for UP series pumps do not show breakdown or parts list of any kind.
http://www.us.grundfos.com/web/download.nsf/Pages

Bigger question:
Why don't you have hot water?
Is water heater functioning?
Water heater is a separate appliance from Grundfos pump.
Grundfos pump circulates hot water from tank into the lines so there is no waiting for hot water ... but hot water heater should still make hot water.
http://waterheatertimer.org/Water-heater-recirculation-system.html

Add a comment about water heater if that is also a problem.
You could have 2 problems, and water heater is main issue.

For do-it-yourself electric water heater repairs:
http://waterheatertimer.org/6DIY.html

Nov 20, 2010 | Grundfos The UP1510B5ATLC 125th HP 1...

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