The Model VM181 Vacuum Gauge is used as a troubleshooting aid to help to identify variances in the central vacuum system. The Model VM181 gauge has a rubber adapter that fits 2" pipe and wall inlet valves. As a vacuum measurement, the gauge can measure 0-160 inches-of-water. AirVac power units normally sustain a vacuum level of 107-146 inches-of-water. Using a vacuum gauge helps to pinpoint leaks and blocks in the vacuum tubing, connections, and wall inlet valves.
Features
Used for checking the vacuum level throughout the central vacuum system
Gauge measures 0 to 160 inches-of-water
Rubber adapter fits 2-inch pipe and wall inlet valves
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