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or reduced heater reliability
When an original fitting becomes damaged or no longer seats correctly
Helps renew the filtration surface in compatible DE filter systems
improve equipment stability
or internal component is damaged or worn
Pentair 2" Slip x 2" NPT Union Kit, 2-Pack (357603) gvt or reduced heater reliabilityPentair Kit Union 2Pk 2" Sliplp x 2" NPT (357603) is a replacement union or union related fitting for compatible Pentair pool and spa plumbing applications. Unions make equipment easier to install, service, and remove while maintaining a secure plumbing connection. Use this part when a union, adapter, nut, or related connection is cracked, leaking, stripped, or being replaced during plumbing service. Confirm thread style, slip size, buttress thread,