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    Closing inground Spa... Fill or not to fill?

    I live near Chicago, IL and I have an 36,000 gallon in ground pool with and 72" diameter spa that overflows into pool. Last season the company that closed my pool/spa poured antifreeze into the 4 cemented airblower outlets (9 hole caps cannot be removed to put winter plug in) on the floor of my...
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    pump not getting enough water flow for venture effect?

    I tried running the jets with the inserts but not the jets last night. The result for air vent was the same as without insert. The air vent did not gush water nor did it suck air. The insert is just the pipe with female threads in a cup on one end to accept jet nozzle and the other end is male...
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    pump not getting enough water flow for venture effect?

    Just to clarify: When the pump is on and the jets are removed and the air inlet plug is removed, the air inlet does not gush water but it also does NOT suck in air. I can see the water just sitting there down the pipe of the air inlet. If I blow air into the air inlet with my wet dry vac then...
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    pump not getting enough water flow for venture effect?

    You were correct, The flow rate is in spa mode 115gpm@3450rpm with a 23psi at filter with all jets removed and air inlet removed. The water does not gush out of the air inlet with all jets removed and pump on. It does start to gush out of air inlet with 5 jets installed and pump on. I drained...
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    pump not getting enough water flow for venture effect?

    are we getting off topic, or should I get the reading? I will have time tonight when I get home. The filter is clean and its 450 sqft, how much head do you think I have?
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    pump not getting enough water flow for venture effect?

    The 40 to 150gpm flow meter may or may not be accurate, however it does give a me reference. If I remove all 6 jets 217-1060, why is hard to believe that I can get 150gpm on a 2HP x 1.35 service factor pump (the chart shows I can have 40 feet of head loss at 150gpm)? I fully understand that...
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    pump not getting enough water flow for venture effect?

    i did completely remove all the jet nozzles yesterday, coincidently, with new pump on, to document flow rate(150+gpm pegged). I would think the winter plug I have in there now works similar to a threaded cap. With the pump on... if I slowly open the plug, then water squirts out, and if I...
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    pump not getting enough water flow for venture effect?

    I'm puzzled on what I can fix now. The air inlet still squirts water if I open it. I never tried opening the air inlet with the air blower on. Never thought they were connected or related. Is this perhaps something I overlooked? I never owned a spa before or been in one prior to our new...
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    pump not getting enough water flow for venture effect?

    Update on new 2hp ePump installed. SUCCESS!!! My spa feels like a spa... Here are the results. Flow rates old 1HP pump 3450 rpm with clean filter. Pool mode 81 gpm Heater bypass 91 gpm Spa mode 70 gpm Heater bypass 75 gpm Flow rates 2HP ePump Pool mode 120 gpm@3450 rpm 81...
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    pump not getting enough water flow for venture effect?

    water gushes out when the pump is on in either pool mode or spa mode. water does not gush out when pump is off. i can see water about 3" down. I don't have any other pipes or air inlets around pool or spa. I think i can fix the the cracked pipe i just don't what the fittings look like or where...
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    pump not getting enough water flow for venture effect?

    I think i may have not explained my problem well. Here are the details. Currently i have a cracked off 1.5" Pvc pipe 8" next to my inground spa rim and it is recessed 2" into concrete pool deck. It currently has a winter plug in it that is easily removable. There are not threads on the cracked...
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    pump not getting enough water flow for venture effect?

    Holy cow! I may have found the missing air control knob. It was buried under mulch next to equipment pad. Does anyone know how high above the spa water level does it need to be? I measured the cracked 1.5" pvc pipe to be 3" above spa water level. Can i buy the female pvc fitting at the...
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    pump not getting enough water flow for venture effect?

    Holy cow I think I found it... buried under mulch next to plumbing pad. Could this be the missing air control knob? Now how do fix it? How high above spa water level should it be? Is the female fitting just a part from hardware store?
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    pump not getting enough water flow for venture effect?

    I forgot to mention that the PVC pipe is a one and a half inch diameter
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    pump not getting enough water flow for venture effect?

    Does anyone know what the spa air fitting looks like and where in the heck I can buy one? I seem to be finding only portable spa parts
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    pump not getting enough water flow for venture effect?

    Maybe about 4" avbove spa water level and about 8" from spa rim. Pump is on the pad about 25 feet away.
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    pump not getting enough water flow for venture effect?

    When I remove the plug in spa mode. The water comes gushing out
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    pump not getting enough water flow for venture effect?

    I recently installed a flow meter as seen on the exit pipe of the filter. I am not getting 70 GPM according to meter. Pool Mode 79 GPM/ 17 PSI Pool Mode with heater bypassed 80 GPM/ 11 PSI Spa Mode 62 GPM/ 20 PSI Spa Mode with heater bypassed 64 GPM/ 16 PSI Getting back to the original...
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    pump not getting enough water flow for venture effect?

    Don't be sorry... I appreciate all your knowledge and help. I have been trying to figure this out for 7 months and had two pool guys come by... all with no help. I labeled all the elbows in the photo: There are 20 Elbows just for SPA mode alone... Can't do anything about the Jandy 3 way. So I...
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    pump not getting enough water flow for venture effect?

    All on the pad!!! 8" here, 18" there... it adds up quick. i measured from the center of each elbow
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    pump not getting enough water flow for venture effect?

    I have 30 sharp 90 elbows and 589" of 2" piping. I think I can reduce to 20 large sweep and shorten total length to about 450". Will the 2hp ePump have a significant effect on spa jets?
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    pump not getting enough water flow for venture effect?

    Replumbing is not an option because its under decorative concrete deck. The filter is a Sta-Rite System3 S8M150 filter; pool mode(all returns open, suction from spa closed off) i get 17 PSI at filter. Spa mode( only spa suction on and only return to 6 jets in spa) i get 20 PSI. I have an 2HP...
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    pump not getting enough water flow for venture effect?

    Pump is Magnatek 7-177450-03 and its shared Qty 10 PI750.42.551with pool. There are automatic Jandy valves that close off pool 2"returns and 2"suctions while in SPA Mode. All plumbing is 2" above ground except for vent pipe is 1.5". Distance is about 25 feet pump to spa