Pressure and Vacuum Tester Repairable metal unit does both vacuum and pressure testing.Additional Info:
Screws into the fill on most applications and introduces your choice of vacuum or pressure to test units for leakage before installing on boat after repair or to check while still installed. Replaces S34 and V34 testers. Includes CDI551-34TN with hose.
Combination tester does both pressure & vaccum testing. Replaces: S34, V34 Testers. Includes: 551-34HA, 551-334M & 551-334S