PS-851 Professional Hot Tub Pump Seal

Specialized 3/4″ Shaft Seal with Unique Dimensions

As a retailer of hot tub spare parts, I present the PS-851 – a precision-engineered mechanical seal designed for 3/4″ shaft applications with specific dimensional requirements.

Product Overview

The PS-851 features a unique dimensional configuration combining a larger shaft size with a compact seat diameter. This specialized design provides reliable sealing for specific pump configurations requiring these exact specifications.

Key Features

• 3/4″ shaft compatibility
• Unique dimensional ratio
• Professional-grade construction
• Self-adjusting mechanism
• Precision engineering
• Reliable sealing action
• Specialized design
• Optimized performance

Performance Benefits

• Precise dimensional fit
• Consistent operation
• Reliable sealing
• Professional durability
• Specific application matching

Technical Specifications

Specification	Detail
Model Number	PS-851
Shaft Size	3/4 inch
Seal OD	1.375 inch
Seat OD	1.00 inch
Application	Hot Tub/Spa Pumps
Type	Mechanical Spring Seal
Face Material	Carbon/Ceramic
Spring Material	Stainless Steel
Elastomer Options	Standard/Viton
SKU	PS-851

Installation Features

Engineered for professional service:

• Precise dimensional control
• Self-aligning design
• Clear installation markers
• Specific compatibility
• Professional fitting

Material Properties

Constructed with:

• Chemical-resistant materials
• Temperature stability
• Wear-resistant faces
• Quality components
• Durable elastomers

Application Uses

Specifically designed for:

• Specialized pump configurations
• Exact dimensional requirements
• 3/4″ shaft applications
• Professional installations
• Specific model matches

Technical Considerations

Installation requirements:

• Careful dimension verification
• Precise alignment
• Proper orientation
• Complete seating
• Appropriate lubrication

Quality Assurance

Manufacturing ensures:

• Dimensional precision
• Material quality
• Performance testing
• Quality control
• OEM specification compliance

The PS-851 pump seal represents specialized sealing technology for unique applications. Its distinct dimensional specifications make it ideal for specific pump configurations while maintaining professional-grade sealing performance. The combination of precise engineering and quality construction ensures reliable operation in specialized hot tub applications.

Alternate Part Numbers

 

• 1-05-0108