Need suggestions on sewage ejection pump for in-law suite in basement

Discussion in 'Pumps and Tanks Well Forum & Blog' started by shawndh, May 12, 2010.

  1. shawndh

    shawndh Hack of All Trades

    Messages:
    11
    Location:
    Atlanta, GA
    I've been looking for months for information on how to choose the best pump for my application. I'm basically building an apartment for my mother-in-law in our basement with a full bath, kitchen, washer & dryer hookups, and all. We're on septic tank, and the line going out of the basement is about 1.5' off the ground. I would like to install the pump near this line so it wont have to pump so hard to get the waste water out, but it requires a lot of trenching to get it there. The other method is to install it in middle of the basement and let all the water drain to it from there, then pump it up and out to the sewer line.

    My main concern is reliabilty and failsafes to prevent flooding. What is the best pump setup I can buy with the highest reliabilty for frequent use? It will probably run every day at least once, I'm thinking. Also, what else is there to prevent a flood besides the high water alarm? Or will that be sufficient if you're aware of your system. Any suggestions?

    I know that the pump will eventually go bad, but I can deal with every 10-15 years as opposed to every 2-3 years. Are my expectations realistic for my application? I'm currently looking at Zoeller (M267) units now with .4 to .5 HP motors. Please help.
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,519
    Location:
    Cave Creek, Arizona
    Forget about "10-15 years", that is completely unrealistic. 5-7 years is more likely, and depending on the circumstances, it could be even less. The idea for a pump is you install it as close to the point of use as possible, and then pump from there to the sewer connection wherever that is.
  3. ballvalve

    ballvalve General Engineering Contractor

    Messages:
    3,261
    Location:
    northfork, california
    Look at zoeller at dean bennet and also Ira Woods, and if you really want security, get a duplex unit with 2 pumps.

    The pump likes to work hard, dont sweat on a little distance if you use large diameter pipe without 25 elbows. [Use long sweep el's or flex PVC if you need them]

    The M-53 would be fine.
    Last edited: May 12, 2010
  4. shawndh

    shawndh Hack of All Trades

    Messages:
    11
    Location:
    Atlanta, GA
    Thanx for the replies

    So I guess I'm looking at replacing this thing every 5 years or so, if I'm lucky? So what I'm not understanding is how do I manage this system so I don't have to pull up carpet and sanitize this thing every 5 years when it goes bad? It seems like such a bad idea to go with a pump at all. It's doomed to failure and flooding without any failsafe?
  5. cacher_chick

    cacher_chick Test, Don't Guess!

    Messages:
    3,244
    Location:
    Land of Cheese
    It takes an hour to pull a bad pump and install a new one. Use an alarm to prevent from overflowing the pit when the pump fails.

    I've seen houses that have had a working ejector pump for 15+ years and the owners didn't even know it was there.
  6. 3m

    3m New Member

    Messages:
    76
    Location:
    NY
    Sewage ejector pits have a cover that is air tight to keep the sewer gases from entering the house so when the pump fails it will show up as a clogged line, the toilet wont flush and water will come up in the tub. when the cover is removed the excess water will flown out then. they sell an alarm that can be installed in the pit to let you know when the pump fails and the water level rises too high and you can quit using it until the pump or float switch is replaced
  7. shawndh

    shawndh Hack of All Trades

    Messages:
    11
    Location:
    Atlanta, GA
    I can live with that then. I guess, if I keep the area with the pump separated from the rest of the basement, it won't be such a bad clean-up. I guess I'm going to go with a Zoeller unit, but I'm still not sure which one. The only kits I see are .4hp or so. And I haven't seen one with the alarm that comes with it. I'll keep looking. Thanx for the advice all, and please let me know if you have any other recommendateons on pumps.
  8. ballvalve

    ballvalve General Engineering Contractor

    Messages:
    3,261
    Location:
    northfork, california
    .4 or .3 hp will suffice nicely. This is not a NASCAR race.
  9. shawndh

    shawndh Hack of All Trades

    Messages:
    11
    Location:
    Atlanta, GA
    Thanx. I guess I'll be looking at the Zoeller M264. It's cast iron with a .4HP engine. And from what I've been reading, I want the non-automatic with a piggy-pack switch.
  10. cacher_chick

    cacher_chick Test, Don't Guess!

    Messages:
    3,244
    Location:
    Land of Cheese
  11. shawndh

    shawndh Hack of All Trades

    Messages:
    11
    Location:
    Atlanta, GA
  12. SewerRatz

    SewerRatz Illinois Licensed Plumber

    Messages:
    1,706
    Location:
    Chicago, IL
    M-53 is a sump pump it will not be fine. It will clog with waste.

    Now if you want a good pump that will last years. Look at a Tramco Pump they come with a 10 Year Warranty, I have seen them last 20+ years. I have a custmer that has one that is going on 32 years old. http://www.tramcopump.com/ResidentialDetails.cfm?ProdID=27
  13. ballvalve

    ballvalve General Engineering Contractor

    Messages:
    3,261
    Location:
    northfork, california
    Good point. Missed the toilet part. I think you are good with Zoeller, though.
  14. Rob Parisi

    Rob Parisi New Member

    Messages:
    7
    Location:
    New Hampshire
    Nice tip on the Tramco pump!
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