Questions & Answers for: Grundfos how to clean well pipe Office Equipment & Supplies

...pipe. Sediment is probably why cold water line was replaced. That's why faucet aerators get clogged up after pipes are worked on. It sounds like your grundfos pump got clogged too. Immediately unplug ...

pipe adapter at hardware. Open water so it flushes the line into toilet bowl. Then clean out valves and reassemble shut-offs and grundfos connection. Remove faucet aerator and flush line up to faucet.

Hi, I have a Grunfos mq cold water booster pump. It is cutting in and out when the water is not in use, Turns on for 15 seconds tehn off for a minute. I have checked for obvious above ground leaks ...

...pipe when faucet is turned on. Take apart connection where grundfos connects to both hot and cold pipes, and clean with white vinegar or CLR. http://waterheatertimer.org/Crossover.html ...

...is probably trapped at the impeller. Remove pump, and connection between hot-and-cold pipes and clean with white vinegar. Or use CLR but do not soak parts in CLR or it can cause damage.