Pentair Cartridge - Input Union

May 22, 2017
20
The South
With a new pump I need to redo all pipe between my pump output and filter input to change the pump position. I'm looking at getting a new union for the filter inlet, it looks like there are four parts there based on the parts diagram here - Clean & Clear

Do I need to replace all four, or just get a new body swivel and o-ring and reuse the nut and c-clip?
 
for another 20 bucks I would replace all off them :) Better to order it all and maybe not need it then need it and have to wait another week..
 
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