We recently moved into a townhouse in a 5 unit complex. It consists of 2 buildings, each of which has both a wet and dry system.
Our unit's basement houses the equipment for one building and we have found that the riser-mounted air compressor serving the sprinkler system goes off approximately every 3 hours for 3-4 minutes. It's incredibly noisy.
The option of a Quiet-Series, tank mounted compressor is appealing, but I wonder if there's a significant leakage problem we should focus on first, given the short intervals.
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