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Thread: Sand filter scare

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    Join Date
    Jun 2011
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    Northeast Ohio USA
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    178

    Sand filter scare

    Back for my second season. My previous adventure has its own http://www.troublefreepool.com/swamp...on-t34542.htmlthread. Been working on the pool for a month or so now this season, just have not found the time to check in. Light fixture is still leaky and I am going to post about that as soon as I can find the time.

    Today, I want to talk about a little incident I had while vacuuming the pool using the pool suction line. I left the skimmer basket in, even though I think that is not recommended, but it is so much easier to clean out than the pump skimmer, and it has 3-4 times the surface area. Anyway, on about my third vacuum run (there was quite a bit of leaves and the skimmer was filling up quickly) I sensed that I had lost suction and assummed that the skimmer must have filled again, but as I swam over to check it, I heard a loud pop. About 10-15 seconds later the cover from the sand filter landed in the bushes. Now, I had backflushed prior to starting the vacuuming so I figured I would be in good shape. Thankfully the cover screwed right back on the sand filter and it seems to be functioning just as before the incident, but obviously I would like to prevent a similiar event from happening in the future.
    Any ideas?
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

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    duraleigh's Avatar
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    Apr 2007
    Location
    Sebring, Florida
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    30,084

    Re: Sand filter scare

    My assumption is you are thinking the blockage of leaves in the skimmer basket had something to do with it but the opposite would be the case. Any restriction on the suction side of you system will reduce the psi in the filter, not increase it.

    I have no idea why the filter separated unless there was a restriction from the filter to the return and even then, pool pumps typically don't produce more than 35 psi and your filter should be rated to withstand 50 psi.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Join Date
    Jun 2011
    Location
    Northeast Ohio USA
    Posts
    178

    Re: Sand filter scare

    It is quite the robust system, and I have dealt it alot of added stress with blockage at both intact and returns, etc. and continues to pump the pool like a champ. I had read the warnings previously, to stand back of the filter when starting the pump, but could never really imagine the lid ever flying off. Well that thought has changed real quick and I will now be extra careful in the future, as I will encourage others. A rather inexpensive lesson I guess. Thanks for the insight, at least I am not the only one a little preplexed.
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

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