Pentair Max-E/Dyna-Glas Buna Shaft Seal

🔧 Pentair Max-E, Dyna-Glas and WhisperFlo Shaft Seal

Part #37400-0027S | Buna Rubber Seal | Replacement Pump Shaft Seal

The Pentair 37400-0027S Buna shaft seal is a genuine replacement seal designed for select Pentair pool pumps. It helps create a tight seal around the pump shaft to reduce leaks and protect the motor and pump housing from water damage.

✅ Key Features:

• Replacement shaft seal for Pentair Max-E, Dyna-Glas and compatible WhisperFlo pump assemblies
• Buna elastomer construction for reliable water and chemical resistance
• Helps prevent leakage at the motor shaft area
• Designed for pool and spa circulation pump repairs and maintenance
• OEM replacement part for proper fit and performance

📋 Compatibility:

• Pentair Max-E-Glas pumps
• Pentair Dyna-Glas pumps
• Select WhisperFlo pump models that call for part 37400-0027S

🛠 Installation Notes:

• Always disconnect power before servicing the pump
• Inspect the seal plate, ceramic seat and shaft for wear before installation
• Replace the shaft seal whenever the pump is opened for seal service
• Follow the pump and seal manufacturer instructions for proper installation

💧 A worn shaft seal can cause drips, motor damage and loss of pump performance. Replacing it promptly helps keep your pool pump running efficiently and protects surrounding equipment.