Pentair 354545S Mechanical Seal Service Package Type 6 5/8in

What This Part Is Used For
Pentair 354545S Mechanical Seal Service Package Type 6 5/8in is a replacement mechanical seal kit used in compatible Pentair pump assemblies. It seals the rotating shaft to prevent water from reaching the motor.

Why This Part Matters
When a mechanical seal fails, water leakage can quickly damage motor bearings. Replacing the seal restores proper sealing at the shaft and helps prevent costly motor replacement. It is a standard service item during pump overhauls.

Key Features and Specifications

• Manufacturer part number 354545S
• Mechanical seal service package
• Type 6 5/8in specification
• Used in select Pentair pump systems
• Prevents water intrusion into motor assembly

Installation and Fitment Guidance
Install with clean hands and avoid touching seal faces directly. Confirm by manufacturer part number before ordering. Inspect shaft and seal plate surfaces for scoring before reassembly.

About the Pentair Brand
Pentair pumps are widely used in residential and commercial pools for circulation and filtration. Their service packages allow technicians to rebuild pumps without replacing entire assemblies. Genuine Pentair seals maintain proper tolerances and fit.

Common Service Context
Common during pump rebuilds, seal leaks, or when servicing pumps after extended operation or freeze-related damage.