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  1. #51
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    Oct 2011
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    Bump.

    Looking for advice on adding a pressure tank to a well-based home water system. We are on a shared well with two other houses and there's no pressure system at the well itself. We are uphill from the well and our pressure is inconsistent and low across the board. Looking to put a pressure tank in here at the house; we have a propane powered instahot hot water heater it would feed.

    I know zero about plumbing, so trying to understand if this is a good plan and if besides determining well output to the house, there's anything else I need to consider with regard to pressure tank size.

    Many thanks, mags!

  2. #52
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    Anyone have knowledge to drop?

  3. #53
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    Our house came with a pressure tank for the well. Tank is located in the basement, well is out in the yard and the pump is deep down in the casing. Well is just for our house.

    Without a pressure tank, your pump would have to run at all times whenever there's a call for water. I thought pressure tanks were standard.

    I haven't done any work or maintenance on the tank. It's been 8 years since we moved in.

    Not much help, but that's all I've got.
    Quote Originally Posted by powder11 View Post
    if you have to resort to taking advice from the nitwits on this forum, then you're doomed.

  4. #54
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    Quote Originally Posted by El Chupacabra View Post

    Without a pressure tank, your pump would have to run at all times whenever there's a call for water. I thought pressure tanks were standard.
    .
    Good point. I would guess there's some kind of system at the pump house (I'll see if I can get in there), but with the other demands on the system, our water pressure is pretty lousy. My in-laws are 100yds away from us, but on their own well and have a pressure tank under the house that feeds directly into their plumbing. Great pressure, zero issues.

  5. #55
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    May 2007
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    Quote Originally Posted by El Chupacabra View Post
    Our house came with a pressure tank for the well. Tank is located in the basement, well is out in the yard and the pump is deep down in the casing. Well is just for our house.

    Without a pressure tank, your pump would have to run at all times whenever there's a call for water. I thought pressure tanks were standard.

    I haven't done any work or maintenance on the tank. It's been 8 years since we moved in.

    Not much help, but that's all I've got.
    Same here.

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  6. #56
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    Aug 2010
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    I would expect that there is a pressure tank and pressure switch in the pumphouse.

    The switch should be adjustable to control the water pressure. You will want to adjust the water pressure at the switch and then accordingly increase the air pressure in the tank.

    Probably want a well pump guy / plumber to do this since it's a shared system.

    Don't think you can do anything at your house to boost pressure since you are limited by the pressure coming out of the pumphouse.

  7. #57
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    No expert but I imagine there is one pressure tank, managing the well pump and serving all three houses. If the other owners have similar issues maybe you can all three split the cost of an upgrade.
    If not, are you the at a higher elevation than the other two houses?

    Maybe you should just mount a 2000gal poly tank to your roof and have your own water tower. I'm sure you would recoup that cost when you sell.........
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  8. #58
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    Quote Originally Posted by oldblue View Post
    I would expect that there is a pressure tank and pressure switch in the pumphouse.

    The switch should be adjustable to control the water pressure. You will want to adjust the water pressure at the switch and then accordingly increase the air pressure in the tank.

    Probably want a well pump guy / plumber to do this since it's a shared system.

    Don't think you can do anything at your house to boost pressure since you are limited by the pressure coming out of the pumphouse.
    My thinking is to add a larger, 100gal pressure tank at the house that has a higher draw down amount and should therefore be able to pre-supply a decent amount of higher-pressure water then what is being built and disributed down at the well (assuming it has a presssure tank).

    Quote Originally Posted by nickwm21 View Post
    No expert but I imagine there is one pressure tank, managing the well pump and serving all three houses. If the other owners have similar issues maybe you can all three split the cost of an upgrade.
    If not, are you the at a higher elevation than the other two houses?

    Maybe you should just mount a 2000gal poly tank to your roof and have your own water tower. I'm sure you would recoup that cost when you sell.........
    It's a shared family property, which makes the upgrades/decisions a little more complicated. The well serves two residences and an orchard/greenhouse setup that draws a lot of water 6mo of the year. Doing a poly tank up the hill from us isn't a bad thought, but I would guess that would need cleaning? Our house isn't used often and water would sit weeks/months unused.

  9. #59
    Join Date
    Aug 2010
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    Are you saying you get good initial pressure but the pressure quickly drops with use?

    Pressure tank at pumphouse may have failed. They typically don't last that long.

  10. #60
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    Apr 2020
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    first off you will need to locate and identify all the components in the system starting with the
    depth of the well. pumps? storage tank(s)? pressure tank(s)? filtration? and see how all this is plumbed together. size (hp) of pump(s)? what is the elevation gain from pressure pump to your house? distances involved?
    multiple dwellings on a single pump or pump and pressure tank combo is usually problematic, as you
    are experiencing. even well designed and built systems can be difficult to keep in tune.
    relay as much as you can about what is there and i'll hopefully get you headed in
    the right direction.

  11. #61
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    Quote Originally Posted by k.clegane View Post
    first off you will need to locate and identify all the components in the system starting with the
    depth of the well. pumps? storage tank(s)? pressure tank(s)? filtration? and see how all this is plumbed together. size (hp) of pump(s)? what is the elevation gain from pressure pump to your house? distances involved?
    multiple dwellings on a single pump or pump and pressure tank combo is usually problematic, as you
    are experiencing. even well designed and built systems can be difficult to keep in tune.
    relay as much as you can about what is there and i'll hopefully get you headed in
    the right direction.
    Yeah I gotta imagine multiple units off one well/tank combo is crazy, especially if there is any measurable elevation gain.

    Do they offer "booster" tanks or something?

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  12. #62
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    Dec 2005
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    You can have your own pressure tank in your house, and a booster pump; you’ll need a 3 or 4 stage backflow valve to prevent your higher pressure from flowing upstream and damaging other people’s plumbing. Not recommended, and probably not code, but can be done.

  13. #63
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    Quote Originally Posted by alpinevibes View Post
    Anyone have knowledge to drop?
    This lot are all dentists, I would try a plumbing forum might even be a few real plumbers with shit under their fingernails
    Lee Lau - xxx-er is the laziest Asian canuck I know

  14. #64
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    Quote Originally Posted by k.clegane View Post
    first off you will need to locate and identify all the components in the system starting with the
    depth of the well. pumps? storage tank(s)? pressure tank(s)? filtration? and see how all this is plumbed together. size (hp) of pump(s)? what is the elevation gain from pressure pump to your house? distances involved?
    multiple dwellings on a single pump or pump and pressure tank combo is usually problematic, as you
    are experiencing. even well designed and built systems can be difficult to keep in tune.
    relay as much as you can about what is there and i'll hopefully get you headed in
    the right direction.
    Well that was a very sober and constructive first post. Seems sketchy.

  15. #65
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    Sep 2004
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    Quote Originally Posted by iceman View Post
    Well that was a very sober and constructive first post. Seems sketchy.
    Don't fuck with that guy. He'll get his brothers over to pound on you.
    Quote Originally Posted by powder11 View Post
    if you have to resort to taking advice from the nitwits on this forum, then you're doomed.

  16. #66
    Join Date
    Oct 2011
    Location
    Aspen
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    Quote Originally Posted by XXX-er View Post
    This lot are all dentists, I would try a plumbing forum might even be a few real plumbers with shit under their fingernails
    Nah, I'm a glutton for the questionable but earnest opinions that waft around the bowels of the Padded Room.

    Quote Originally Posted by oldblue View Post
    Are you saying you get good initial pressure but the pressure quickly drops with use?

    Pressure tank at pumphouse may have failed. They typically don't last that long.
    Pressure stays the same, for the most part while using. It varies at different times during the day, but that's likely just from the other two users taking supply at that time. I looked at the well's pressure tank this weekend and it shows pressure.

    Quote Originally Posted by k.clegane View Post
    first off you will need to locate and identify all the components in the system starting with the
    depth of the well. pumps? storage tank(s)? pressure tank(s)? filtration? and see how all this is plumbed together. size (hp) of pump(s)?
    what is the elevation gain from pressure pump to your house? distances involved?
    .
    Well depth is probably around 100ft? Not sure anyone here knows specifically.
    No storage tank or filtration system that I can see. Not sure on pump HP.
    One large 45-65gal pressure tank at the pumphouse, it appears to be set at ~30psi.
    Our house is about 30ft in elevation above the pump and about 150ft of distance away. The other house on the pump is 50ft in elevation down and 500ft away. The third user is a greenhouse/orchard that's about 600ft away and maybe 5-10ft up in elevation. It consumes a lot of water in the summer months.

    Quote Originally Posted by Flyoverland Captive View Post
    You can have your own pressure tank in your house, and a booster pump; you’ll need a 3 or 4 stage backflow valve to prevent your higher pressure from flowing upstream and damaging other people’s plumbing. Not recommended, and probably not code, but can be done.
    Good point, especially as we are the highest up.

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