starting up for season - low pressure

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td3201

Well-known member
May 2, 2018
46
Lincoln, NE
Hello all,

First time opening the pool on my own. Thought I got it all nailed down but the pressure isn't enough as it's tripping the pressure switch on the heater. Here's what happens when I get start it all up.

  1. Charge the return lines
  2. Open filter release valve on Sta-Rite PLM150
  3. Start system up
  4. Everything looks normal
  5. Close release valve on filter
  6. Pressure on filter reads 35 PSI and stays there
  7. Notice that heater starts up fine
  8. Wait 1-3 mins
  9. Heater reads pressure switch open

Pool and skimmer basket are free of debris. The filter isn't that old, looks in good condition, and was cleaned. I suspect the supply lines or the heater itself. Not sure where to look. Thanks for any ideas!
 
td3201 said:
You guys feel my levels are off and causing flow issues?
Click to expand...
Very common at opening. Even if you are lucky enough to not open to a green swamp, organics (transparent) can overwhelm the filter. As Marty pointed out, a through set of "reliable" test numbers from a TF-100 or Taylor K-2006C will help to confirm. A good test kit pays for itself in time, effort, and knowing exactly what chemicals may or may not be required. You won't get that kind of accurate advice from the local pool store.
 
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