Quote:
Originally Posted by Thad House
Yeah, but if you have it set to never let the pressure go above 125, depending on the pressure switch, the relief will start letting out pressure before the switch detects its at full pressure. We've had to go find different pressure switches before, because the switch would trigger at 115, but the relief valve started releasing air at 110, in order to make it so pressure never got above 125.
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I've seen several inspectors flip out over this one.
The KOP release valve also doesn't always trigger at exactly the same psi, which has caused some inspectors to ask us to keep adjusting it.