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replacing a well pump

post #1 of 19
Thread Starter 
How hard is it to replace a well pump? My well is nine years old, and I have never been happy with my flow... I'm sure the builder put in the smallest/cheapest pump. Is this a do it yourself deal? I'm pretty handy, but know nothing about this topic. Pull it up and swap it out right? Worst case, could I ruin my well somehow? Any help is greatly appreciated.
post #2 of 19
I just had mine replaced and helped the guy do it. I don't think I will do the next one when its time either. well pump puller, special tool to disconnect the pipe, torch, wiring and endless odds and ends that I don't have that made the job much easier. It was worth the extra money to have someone else do it for me..
post #3 of 19
if its a submersible i would pay to have it done.

to many things that could go wrong.
post #4 of 19
I've done it. The hardest part was finding the well!!! Is there a rope tied to the well head somewhere? Probably black flexible plastic pipe attached to the pump with a clamp, plus the power cord. Pull o]up the whole assembly with the rope, or use the pipe, lay it out as carefully as possible to avoid kinking the plastic, replace the pump and reconnect power.

Make sure you tie some rope to the pump and ties it back off to the well head for the next guy. Double clamp if you can.

By the way, the replacement pump I used was about $1500.00
post #5 of 19
I have a 400ft well. I wouldn't waste my time even thinking of doing it myself. I'll pay for it.
post #6 of 19
Quote:
Originally Posted by SG1 View Post
How hard is it to replace a well pump? My well is nine years old, and I have never been happy with my flow... I'm sure the builder put in the smallest/cheapest pump. Is this a do it yourself deal? I'm pretty handy, but know nothing about this topic. Pull it up and swap it out right? Worst case, could I ruin my well somehow? Any help is greatly appreciated.



Being handy helps, it might reduce your bill some when you help a pump/well guy troubleshoot your flow problem and repair it.

There are too many things you need to have one or two of, that I couldn't list it.

Find your well, follow the piping from the well into your house. Check every valve for open. You do need to know where everything is and how to shut it off.
post #7 of 19
Is the pump in your basement? Or down in the bottom of the well? There are other things that effect well preasure other then the pump itself. You need to have a well pro look at it first.
post #8 of 19
Thread Starter 
Barrel,
It's at the bottom of the well (150' feet). My pressure is good throughout the house. My problem is output (gallons per minute). Since day one, It's been slowwwww. I'm assuming that I have a 1/2hp pump down there, and I'd like to install a bigger one so that I can expand irrigation and etc...

Next question, anyone know what a fair price would be to swap out a pump (labor)?
post #9 of 19
It does no good and may do some harm to out pump the water available in the well. You need to know how much water you have available in the well before putting in a bigger pump. Another option is a bigger pressure tank. If he cheaped out on the well pump it's likely the storage tank could be bigger.
post #10 of 19
Quote:
Originally Posted by Paul_M View Post
It does no good and may do some harm to out pump the water available in the well. You need to know how much water you have available in the well before putting in a bigger pump. Another option is a bigger pressure tank. If he cheaped out on the well pump it's likely the storage tank could be bigger.


He could have the well tested to get a handle on the wells output.

When I bought the new house they tested mine with a sonar type sounding machine. It was about a 4 hour test where they tracked the decline in the water level.
post #11 of 19
Get a well guy to do it. They are certified in the sanitary techniges. Also consider a Jacuzzi pump. One of the very best. If you have underground sprinklers size the pump accordingly.
post #12 of 19
I used to do this for a job. Hire a pro, seriously. If you've done it before, and have the tools it's pretty easy, but if you haven't, it could be disastrous in a hurry.



Before you replace the pump, get a copy of the flow report so you know what size pump to get. Around here, the health department is where to get a copy of your homes well report.
post #13 of 19
Quote:
Originally Posted by Greg Fields View Post
I just had mine replaced and helped the guy do it. I don't think I will do the next one when its time either. well pump puller, special tool to disconnect the pipe, torch, wiring and endless odds and ends that I don't have that made the job much easier. It was worth the extra money to have someone else do it for me..


My well pump died last summer and I had NO idea what was involved. I called in a pro and helped him do it also. If your pump is over 100' down, there is no way you are pulling that black pipe up by yourself with a rope. Also replacing the wiring down along the outside to the pump. It is a heck of a job left to someone with the correct tools and experience to do it right.
post #14 of 19
If you make the mistake of doing it yourself, at least research what a pitless adapter is. And make up a t-handled puller that can't go back down the well.



If you seriously decide to do it yourself, let me know, i'll write up some advice, but the first and last things will be to hire a pro.
post #15 of 19
Definitely defer to all the advice from more experienced guys here.

But, I'll just share one bit that might help. I did this years ago with my uncle (plumber). It was my first day working with him. There is a holder of sorts that sits in a bracket at the top of the well and we could not for the life of us budge it. We were about to go rent a puller when I tried using the scissor jack from the truck and that worked beautifully. I won the golden wrench award for that one. Anyway, just a thought in case you run into similar trouble.
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