By Pentair Pool Products
Part # 4655-30
Manufacturer Code 51013000
Dimensions 3" L x 3" W x 1" D
Nut (51013000)
my nut pn 510130 is cracked and it connects to the american titian filter can i just replace the nut or do it need a compete union assembly.
Hi, William. You can replace just the nut. The same amount of plumbing work will need to be done to replace the entire union or just the nut.
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