Barnes & Jones 3875 Vacuum Breaker 3/4 NPT

Product Description

Barnes & Jones Vacuum Breaker model 3875 is designed for easy installation in various applications. This grinder provides a means to automatically relieve or break an unwanted vacuum condition. It is made with a rugged hex design from machined brass for durability. The preferred installation position is vertical and should be at the highest practical point.

• Model number: 3875
• Maximum operating pressure: 125 PSI
• Working temperature: Up to 350 degrees Fahrenheit

Product Highlights

This vacuum breaker is simple and reliable, making it excellent for heating and cooling systems, steam boilers, and storage heaters.

Product Information

Standard Information

• Brand: Barnes & Jones
• MPN: 3875

Technical Specifications

• Body Material: Brass
• Seal Material: Silicon O-ring
• Valve and Spring: Stainless Steel
• Thread Size: 3/4 NPT
• Vacuum Required to Open: Horizontal-0.77, Bottom outlet-0.75, Top outlet-1.25, No spring-0.33
• Weight: 0.50 lbs