In a previous post I listed the NEC requirements for “permanently installed devices” such as an air compressor in a dry pipe sprinkler system. #5 on that list states that the air compressor on a dry pipe sprinkler system must “Be connected to a listed motor-circuit switch rated for horsepower”(NEC 430.109) which is also referred… Read more …
High quality, dependable air compressors supplied by General Air Products rarely have any installation start-up issues that are caused by the compressor itself; however, there is an occasional installation issue that results in a troubleshooting phone call. The #1 issue that accounts for 90% of our troubleshooting calls is actually one that we are unable… Read more …