Valve Assembly To Directly Connect A Thermistor Vacuum Gauge To A Vacuum Pump. Use with 15234 series of vacuum pumps. With a central valve, control provides real convenience. Made of durable forged brass for long life, a ¼" FFL coupler connects to vacuum pump and a ¼" MFL connects to thermistor vacuum gauge and manifold hose set for greater control and protection of sensative equipment.
