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Thread: Which Pump?

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    anguspoe's Avatar
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    Which Pump?

    Hey guys - getting ready to pull the trigger on a DIY IG. Quick ? on pump selection. Going to order the kit through royal and they have the following pumps. I know i want a 2 speed but is there one better then the other?

    All 1.5 Hp
    Hayward 2 speed super pump
    Speck Omega 2
    Hayward Tri Star 2 speed

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    Re: Which Pump?

    How about some more pool details ? It maybe that the 1.5 HP pump is "too large", and besides, it would be nice to here how big a filter (and what type) , as well as the size and volume of the pool.
    16x32 IG 19,000 gallons, Pentair 1.5 hp Energy Efficient Superflo pump (348024),vinyl liner, Chlorine dispenser, Hayward S-244T sand filter

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    anguspoe's Avatar
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    Re: Which Pump?

    sry about that

    16x32 Rectangle, depth 3-4 to 5-8, with a hayward star cartidge filter

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    Mod Squad jblizzle's Avatar
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    Re: Which Pump?

    More details ... how big is the filter. Any water features that would need higher flow rates?

    Posted from my Droid with Tapatalk ... sorry if my response is short
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    anguspoe's Avatar
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    Re: Which Pump?

    No water features. Filter would be c900 with an area of 90ft sq

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    Mod Squad jblizzle's Avatar
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    Re: Which Pump?

    Seems like 1.5 hp would be overkill. A 1 hp would be cheaper to buy and run.

    Posted from my Droid with Tapatalk ... sorry if my response is short
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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    mas985's Avatar
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    Re: Which Pump?

    With that size pool, I would go with at least a 325 sq-ft filter and no larger than a 3/4 HP full rated pump ( or 1 HP up rated). Otherwise, you will be cleaning the filter multiple times a season and replacing the cartridges more often.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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    anguspoe's Avatar
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    Total Head????

    So I ended up ordering a TriStar 1.5 HP pump, after doing some more learning I think i'm going to see about changing that up. So reading this morning and well trying to calc total head has giving me a headache

    so in a effort to chose the right pump to match head loss, pipe, filter, swg. is there a easy way to calc total head?

    Base on the filter flow rate and to turn the pool over 2 times a day, i would need to run the pump for ~11/12 hours

    all pipe is 1.5 sch 40
    filter is a hayward s244t - 62 gpm
    pool is a 16x32 - total 19200 gal
    swg is a ic40

    If i'm reading total head and data sheets correctly i could use a tri-star or whisperflo 1/2 hp if total head is around 40 to get around 60 gpm.

    Could i use a 2 speed pump? data sheet for the tri-star 1hp shows a low speed of 60 gpm but with a total head of 10'ish same for the whisperflo

    Edit*** **** now i just found out 1.5 only has a max flow of 42gpm............

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    Mod Squad jblizzle's Avatar
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    Re: Which Pump?

    You are thinking too much. Flow rate does not matter and is not that easy to calculate.

    Mark is an expert on this stuff and recommended as small as you can go ... yet you ordered a pretty large pump.

    Ultimately up to you on how much you want to spend on the pump and the electricity, but you have already gotten expert advice.

    Yes you can get a 2 speed pump and running on low will save more money. You do not need to have 2 turn overs per day.

    Posted from my Droid with Tapatalk ... sorry if my response is short
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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    mas985's Avatar
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    Re: Which Pump?

    Also, there are no flow rate limits for pipe only recommendations.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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    anguspoe's Avatar
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    Re: Which Pump?

    Thank you.....You are 100% correct, I am way over thinking this. based off my headache and rereading your post. i'm going to shot for a Superflo 2 speed

    Is there a recommended turn-over?

    Thank you again

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    mas985's Avatar
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    Re: Which Pump?

    Quote Originally Posted by anguspoe
    Is there a recommended turn-over?
    No! Turnover is way overrated. Just run the pump long enough to get enough chlorine in the pool and to keep it clean enough for you. Some pools like mine, can get away with less than 1/2 turn per day while other require over one turn so there is really no one size fits all number.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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    anguspoe's Avatar
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    Re: Which Pump?

    Distance and raise from pool? So pool and pump are set about 70 feet apart with about a 1.5 to two foot raise at the pump. Will my superflo 1hp be able to handle it (priming and pumping) or could I have problems?

    Prime on high, filter on low?

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