Intex 12x24 sand filter issue on initial setup?

ralldredge8173

New member
Jun 25, 2021
4
Buckeye, AZ
Hello, I’ve recently set up a sand filter with salt water system for my new intex above ground pool. I went to do the initial backwash and nothing was coming out of the drain. Pressure reads 0, I don’t feel any suction at all at the inlets. I’m frustrated that no water is coming out. Pump makes lots of noise, but there is just no water at all.
 

Texas Splash

Mod Squad
TFP Expert
LifeTime Supporter
Jun 22, 2014
33,438
Texas, San Antonio/Marion, South-Central Area
Pool Size
17888
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
CircuPool RJ-45 Plus
Welcome to TFP! :wave: When this happens, it's generally one of two things:
1 - The in & out hoses are backwards on the multiport valve.
2 - The multiport valve itself is turned backwards on the filter as compared to the manual instructions.
 

PieterS

Bronze Supporter
Jul 1, 2020
100
Minneapolis, MN
And make sure you don't accidentally have the plunger valve on inlet or outlet from the pool turned off! Is the filter basket filling with water at all and then running dry as soon as the pump starts?
 

ralldredge8173

New member
Jun 25, 2021
4
Buckeye, AZ
So, when I read the instructions it was to open then shut the plunger valves, open to allow air to clear and then shut them “finger tight” after that. I’ll open them again tomorrow when I’m off work, but from what I remember is that when they were open, water just kept flowing out the backwash and did t stop.
 

ralldredge8173

New member
Jun 25, 2021
4
Buckeye, AZ
So I opened the valves up again today and same thing… the filter basket has water, but doesn’t empty. It doesn’t suck either even with it open, just a bunch of water flying out the back of the drain port? I’m confused as to what is going on… if I open the plungers, water comes out regardless of what I do, whether the pump is turned off or on.
 

kellyfair

Gold Supporter
Bronze Supporter
TFP Guide
Jun 29, 2016
4,767
Tampa, FL
Pool Size
7000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Intex Krystal Clear
We really need to see your set up. It sounds like you have it set on Backwash, Rinse or Waste.
 

ralldredge8173

New member
Jun 25, 2021
4
Buckeye, AZ
So, I decided to try what you are saying and it looks like the pump actually is working and flowing. I realized it flows even without the pump on as being normal. I installed a 50’ backwash hose to get the water away from my pump and chlorinator. Then I noticed a small leak at the top of the filter tank and realized it wasn’t seated properly. So I took the whole thing apart, dumped out the sand, repositioned the center pipe, refilled and started over again. It’s working beautifully! Thank you for your help and patience!!
 
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