J/b Industries pr-308 Pump Coupler Insert Only

Product Description

The J/B Industries PR-308 is a pump coupler insert designed for use with vacuum pumps in HVAC and refrigeration service applications. This insert-only component is a direct replacement or spare part for technicians who need to restore full function to their vacuum pump coupler assembly without replacing the entire unit. Vacuum pump couplers are critical connection points between the pump and the refrigerant manifold or vacuum hose, and keeping a spare insert on hand reduces downtime during field service calls.

J/B Industries is a well-known manufacturer of vacuum pumps, gauges, and service tools trusted by HVAC technicians and refrigeration professionals across the industry. The PR-308 is built to J/B Industries specifications, ensuring a proper fit within compatible coupler assemblies. When a coupler insert becomes worn, cracked, or damaged, replacing it with the correct OEM-spec insert maintains a leak-free seal and reliable vacuum pull-down performance. A compromised coupler insert can lead to air infiltration, reduced vacuum depth, and inaccurate system evacuation, all of which can affect the quality of a refrigerant charge and the long-term reliability of the HVAC or refrigeration system being serviced.

HVAC service technicians, refrigeration mechanics, and equipment maintenance professionals rely on genuine replacement inserts like the PR-308 to keep their vacuum pump tools operating at peak efficiency. Stocking this part is a practical choice for any service van or shop inventory. Using the correct replacement insert also protects the integrity of the coupler body and extends the overall service life of the pump coupler assembly.

• Insert-only replacement for J/B Industries vacuum pump coupler assemblies
• Designed to maintain a secure, leak-free connection between vacuum pump and service hose
• Genuine J/B Industries specification part for reliable compatibility and fit

Product Highlights

The J/B Industries PR-308 pump coupler insert is a practical replacement part for HVAC and refrigeration technicians servicing vacuum pump coupler assemblies. It helps maintain proper vacuum pull-down performance and leak-free connections in the field.

Product Information

Standard Information

• Brand: J/B INDUSTRIES
• Manufacturer Part Number: PR-308

Technical Specifications

• Component Type: Pump Coupler Insert
• Application: Vacuum Pump Coupler Assembly
• Industry: HVAC and Refrigeration Service