Booster pump OK, but Polaris doesn't work

makhmal

Active member
Jan 28, 2014
27
SugarLand, TX
Pool Size
17000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Hayward Turbo Cell (T-CELL-5)
Hi Everyone,
I noticed that my Polaris was not cleaning the pool enough as there was plenty of debris left. I watched it with the booster pump on, and it didn't move much. So I disconnected the hose and noticed very low flow/pressure. I disassembled the booster pump, impeller etc. all in good shape. Disconnected the booster pump outlet hose, excellent pressure and flow. So I concluded that may be the return line between booster pump and the pool is clogged or something. Is this possible as the water goes through the main filter before it's fed to the booster pump?
Any idea what else could be wrong?
Thanks for your help.
 
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