The Standard In The Industry, Autometers Mechanical Boost/Vac Gauges Have Found Their Way Into More Builds Than Any Other. Using A Patented, High Precision Bourdon Tube Meter Movement, There Isnt Another Gauge On The Market...
The 5701 can be used in place of the standard trumpet on GFB valves (Part numbers T9003 & T9503), and will make a whistling sound. However, it is necessary to run the valve so that...