FUEL FILTER VACUUM SWITCH WITH 15 FT OF MARINE GRADE CABLE.

Alarm setpoint 7 to 7- ½ InHg. Provided with brass hex nipple and Tee for installation of optional or exiting vacuum gauge. Alarms before your engine stalls from starved fuel supply. Note: most filter housing are equipped with ¼" NPT port for installation of vacuum gauge.

2-1/2” vacuum gauge. Glycerine filled with stainless steel body, 0-30inHG range. ¼” NPT back center connection. Vacuum gauges are the best diagnostic tool for trouble shooting diesel fuel systems. Change fuel filters not by guessing, but when necessary. Note: most filter housing are equipped with ¼” NPT port for gauge installation.