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I just adjusted my pump as in the video. I wanted to lower the total pressure. Here's what happened. I adjusted the switch out 1/2 turn. The "cut in" pressure went to 25 PSI from 50 or so, and the pump cut out pressure stayed the same at 65. I was hoping to reduce the Overall pump pressure.

Do i need to add a regulator and a check valve to this i was thinking about putting a 50-100 gallon tank after my pressure tank so i can run my house on this pump? Will that work? Ive acquired this unit for free. The reason for doing this is so when my water outside my house befor e it enters the house sometimes it pulls all the water and no water in the house and the well pump has to build back up. Hince the 50-100 gallon storage tank with this pump could it work?

My Grundfos MQ3-45 240v is still running strong after 9 years. I had an issue where I would hear it power on (humming) but not pump water for a few seconds then kick in and then you could hear it push water. I thought at first it was the pressure switch but after thinking it through realized it was the capacitor. Instead of buying the exact replacement, which was pretty expensive, so instead I purchased one off amazon with the same specs (but different dimensions) a (CBB60 Motor AC 450V 40uF) for 17.99 and let it hang out the side. It worked perfect and starts pushing water immediately now.

hi! My pump turns on but won't turn off, any suggestions?

My pump stays running at 45 psi. The built on pressure tank was full of water. Would this be the cause? And if so, anyone have a grundfos pressure tank they wanna sell for $5 bucks?

So mine will not turn on when I run my water, unless I run a sink and a shower and something else. I can hear a small rattle when water is flowing through it when the pump is not on. I checked the flow switch and it seems to be free of any debris. Will adjusting the screw help?

Don't do this. These pumps are designed to not be adjusted for a reason.

I have question what happened when the pump running every three minutes

this adjustment is so the pump will turn on sooner as the water pressure drops? Currently the pressure in my water system drops too low before the pump kicks on, I need to pump to cycle earlier , will this adjustment raise the pressure that the system drops to before the pump cycles on (so the pump kicks on sooner)?

Did he forget to plug the pressure switch back into the mother board?

And that was the last time anyone ever saw Steve and Bob again...

So, who got to ride the broom in the trailer?

Why is it that even if no one uses the faucets the pump automatically turns on evryvtwo minutes??

When u work with electrical components you have to take off all metal from your body (like that ring 💍)... u know... for safety😁

Hi all, I tried this on mine, 2 half turns, 1 at a time, however it is still cycling 11secs on, 20 secs off. Could this be a capacitor issue? Thanks for any info, and thanks for the videos!!

This video does not tell you to relieve the pressure by finding the valve under the round cover in the back. You then have to recharge after adjusting.

So whats stopping me from driling a god damn hole in the back of the housing so i can do this with it all together and no guess work as the gauge will show me whats what in real time?

Thanks for the hint. Still, what are jumpers on the board for?

Why did you make this adjustment?

Why didnt the manufacturer give us an adjustment screw outside the pump?

My pumps starts and pumps fine but every 11 seconds it cycles off and immediately back on...it "pulses" is this what needs adjusted?

in my case I couldn't see any differences after turning 90 degrees

how to set up start pressure? it's possible or it was programmed permanently

Hi, I wonder if you can tell me how it is possible to connect a water pressure tank to this pump....Should I connect a pressure switch somewhere connected also to the pressure tank??? thaks

My pump turns on but wont shut off, any suggestions?

I'm not sure if your still monitoring this, but I have the mq35 and it has the same components. I have turned that pressure screw once as in the picture and again the same amount since it didn't change anything the first time and the pump still only kicks on at 30psi. I would like to get this to 40psi if possible.

John, thank you! It is a beautiful song…and to see it synchronized with the tones of a voice, is lovely. I am sorry about your dad. My mom has told me she would want this song sung when she goes (knock on wood)….but here in Italy, they are a but strict about what is and what is not, sung for funerals and weddings…..! I think I could convince the local priest, but one never knows one. I wish you peace and thank you, again, for posting. Un Abbraccio dall'Italia, Giovanni/John! ~ Gary

How did this end up working? Does it cycle on and off more, or does it just pump up the small pressure tank that much higher s it cycles on and off the same but just provides more pressure? Thanks for the video! It was great to see this adjustment.

sorry for ur loss

that is one of the worst songs i ever heard

Hi Lovinglea61, Thank you for your commments. I do agree that its nice to have such a profound sign when you loose someone you love. Sorry about your friend.

So sorry for your loss, I do believe things happen for a reason. I had a friend who was diagnosed with Cancer, and I somehow found myself saying "Don't go anywhere without me" whenever I left her side. Sadly, I didn't get my chance to say "Goodbye" as she left 20 minutes before I could get to her. It's beautiful to have something so profound when you lose someone you love. Don't you think?

Thanks debjoy. :)

Absollutely AAMAAZZING! Beautiful! Both the music and your story! You were definitely meant to stay and this will be in your heart forever just as your Dad will be of course. I believe he lead you that place in that moment for sure! And believe too that it was to tell you he is doing okay. Its incredible and wonderful!

@johndx33 god bless your papa now you know why you needed to wait god bless you

@LAndjeri 'Merci beaucoup. Vos paroles sont très belles. Jean

Landjeri, Merci beaucoup. Vos paroles sont très belles. Jean

what a beautiful water display to compliment the awesome song.....a truly wonderful remembrance of your father....and a fitting way to remember him.... sincere sympathy for your loss...

Thank you 1950lo. I think so too. :)

nice video

wow, at 2:30-2:41 that big splash was perfect timeing

Its amzing how water can be so beautiful

My guinea pig died... My Sherpai Bulldog died... My rat died... Life is hard for me. So is yours, johndx33. Sorry to hear about your father. He will be in your heart forever. -Rotneybot

Thanks Nichole. :)

I am really sorry to hear about your father. This too was one of my father's favourite songs, may he r.i.p. I know exactly how you feel, now he is an angel looking down on you xx

Hi Bette, He wasn't watching it and then died. This was on of his favorite songs. It happened that we saw this, marveled over it and then an hour or so later got the word that he passed away. It's as if he lead us to this place to hear this song to let us know that he was alright in his new life. That's the part that blows us away.

Beautiful....absolutely beautiful. So sorry for your loss. I'm not sure I understand how he was watching this and then passed an hour later. I am sure he is greatly missed....I feel your love for him.

Thanks, Perfectly. I hink so too.

I can relate to that.

my dad loved this song he was 49 when he died of a heart attack suddenly and what makes mad is that he was healthy.. but anyway thank you for the post