Vacuum Isolation Valve Assembly For 15400 / 15600 / 15434 Series Vacuum Pumps. Isolates the pumping section from the system being evacuated to prevent air from entering the system while checking vacuum level or leak testing with a micron gauge.

Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov