Features: 

* Fitment: This mechanical shaft seal is designed as a replacement for Onga Pentair Part No. 801428. Suitable for servicing Onga and Pentair swimming pool pumps, helping restore a watertight seal between the pump wet end and motor shaft while preventing water leakage and protecting motor bearings from moisture ingress.

* Specific: 

• Part Number: 801428
• Product Type: Pool Pump Shaft Mechanical Seal
• Application: Swimming Pool Pump Repair and Maintenance
• Seal Type: Mechanical Shaft Seal
• Shaft Size: 3/4" (19mm)
• Seal Face Material: Carbon / Ceramic
• Elastomer Material: Nitrile Rubber (NBR)
• Metal Components: Stainless Steel Spring
• Function: Prevents water leakage along the motor shaft while protecting motor bearings from water ingress during continuous pump operation.

* Design: Engineered as a direct replacement for the original Onga Pentair mechanical seal. The precision carbon and ceramic sealing faces provide dependable sealing performance with low friction, while the nitrile rubber elastomer and stainless steel spring offer excellent resistance to chlorinated water, corrosion, wear, and normal swimming pool operating conditions.

* Application: Suitable for maintenance and repair of residential and commercial swimming pool circulation pumps. Ideal for replacing worn or leaking shaft seals during routine servicing or complete pump rebuilds, helping maintain efficient pump performance and extend equipment service life.

* Compatible Model: Suitable for a wide range of Onga and Pentair pool pumps, including:

• Onga EnviroMAX Series
• Onga SilentFlo Series (all models)
• Onga LeisureTime LTP1100
• Pentair ECO800
• Pentair Max-E-Pro
• Selected Sta-Rite SilentFlo pumps using OEM Part No. 801428

Also suitable for equivalent pumps using the OEM mechanical seal reference 801428.

* Material: Manufactured using premium carbon and ceramic sealing faces with nitrile rubber elastomers, selected for excellent wear resistance, corrosion resistance, low-friction operation, and long-term sealing performance in swimming pool applications.

* Performance: Designed for long-lasting performance with:

• Effective prevention of water leakage
• Smooth, low-friction shaft operation
• Excellent resistance to wear and corrosion
• Protection of motor bearings from water ingress
• Long service life under normal swimming pool operating conditions
• Reliable performance in both residential and commercial pool systems

* Package Included: 1 × Pool Pump Mechanical Shaft Seal

* Note: We are committed to providing excellent products and the best service for our customers. 

• Please allow industrial tolerance for every part unless otherwise stated
• This is an aftermarket replacement part, not an OEM product.