Suggestions for rapid cycling pump

Discussion in 'Pumps and Tanks Well Forum & Blog' started by Hunter01, Apr 16, 2013.

  1. Hunter01

    Hunter01 New Member

    Messages:
    15
    Location:
    Wisconsin
    I have a Pro Flo submersible pump in an 18" diameter sump (not my design), backed up by an Aquanot II battery system (Thanks to suggestions here) The main pump has an unadjustable switch and cycles in about a 7" range. In the worst weather we've had in 5 years in the house, the pump cycled 14 seconds 0n, 15 seconds Off. Right now, it's about 10 seconds On, 65 seconds Off. I think the best alternative would be to increase the sump pit size, but I'm an 'old retired guy' and do not look forward to cutting concrete and digging. Any suggestions? By the way, the primary pump has lasted 5 years, but I don't sleep well.
  2. LLigetfa

    LLigetfa DIYer, not in the trades

    Messages:
    3,826
    Location:
    NW Ontario, Canada
    My sump pit is fed from the 4" perimeter drain and the 150 linear feet of drain acts as significant storage capacity. I adjusted the sump so it only starts when the perimeter drain is full and stops when the drain is empty. 150 feet of drain has a lot more capacity than one might expect by increasing the size of the pit.
  3. LLigetfa

    LLigetfa DIYer, not in the trades

    Messages:
    3,826
    Location:
    NW Ontario, Canada
    Quick math tells me that my perimeter drain can store 100 gallons. Your current pit stores about 8 gallons.
  4. cacher_chick

    cacher_chick Test, Don't Guess!

    Messages:
    3,236
    Location:
    Land of Cheese
    Another thing to consider is that you might be pumping deeper than necessary. A lot of people do this with thinking about it.

    If it is not already, i would raise the pump (set it on a block or a couple of pavers) so that the standing water level can rise to 6"-8" below the top of the slab. Leaving the foundation drain partially full will often reduce the inflow of water.
  5. LLigetfa

    LLigetfa DIYer, not in the trades

    Messages:
    3,826
    Location:
    NW Ontario, Canada
    I have concerns about leaving water in the perimeter drain and scum or sediment building up. By letting it fill and then drawing it down, it does a more complete and thorough flush.
  6. cacher_chick

    cacher_chick Test, Don't Guess!

    Messages:
    3,236
    Location:
    Land of Cheese
    I guess if you have any "dirty" water coming into the basin then it might be a concern.
    Most of the houses I go in are over 20 years old and have nothing but crystal clear groundwater in the sumps. Most of the older houses have clay tile perimeter drains with clay sump pits and still I have not noted any problems.
  7. Hunter01

    Hunter01 New Member

    Messages:
    15
    Location:
    Wisconsin
    Thanks for your suggestions. (Why didn't I think of that?) :rolleyes: The water I have coming in is very clear, and I intend to set the pump so that it completely empties out the drain tile and goes just slightly below that so it flushes out completely. I have about 100' of drain tile. Should add capacity easily. Thanks, again.
  8. LLigetfa

    LLigetfa DIYer, not in the trades

    Messages:
    3,826
    Location:
    NW Ontario, Canada
    Both my softener and my iron filter dump into the pit, so yes, there is a potential to scum it up.
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