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Re: idler noise
Posted to HVAC Forum on 8/6/2020 3 Replies

250 PSI is normal for a hot summer day. 400 PSI is near where the sensor will shut it off, probably 420. I would not expect rattling below 340. Also the condenser and radiator may appear clean but a couple of bolts and you can lean the radiator back and there ... Login to read more.

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