Pentair 5/8 in. Mechanical Seal Set | SuperFlo, SuperMax & Challenger Pumps | 354545S SLAW A failed or missing air

A failed or missing air bleed assembly can prevent accurate pressure readings and reduce filtration efficiency

which helps protect chlorine from sunlight

Apply a thin coat of Pentair-approved O-ring lubricant to the ring before reinstallation to ease seating and extend service life

When servicing a V-clamp joint

Pentair 5/8 in. Mechanical Seal Set | SuperFlo, SuperMax & Challenger Pumps | 354545S SLAW A failed or missing airThe Pentair Mechanical Shaft Seal Set (354545S) is the OEM replacement 5 8 in. mechanical seal for the SuperFlo, SuperFlo VS VST, SuperMax, SuperMax VS, Challenger, OptiFlo, and Dynamo pump families. IMPORTANT: THIS LISTING IS FOR A SEAL SET (KIT) Part 354545S is sold as a seal set both the rotating and stationary seal faces are included. You are purchasing a complete replacement kit, not an individual seal component. IMPORTANT: MANUFACTURE DATE