Porter cable 150 PSI compressor won't shut off.

by Bill H.
(Dunedin, Fl)

My type 5, 6 gallon compressor was tripping the pressure relief valve when it reached about 155 psi and the motor would keep running.

I just replaced the relief valve with an OEM relief valve and it is still doing the same thing.

Is there another part that I should've replaced instead. The rubber tube to the tank is very hot also.

Thank you

Bill H.

(Covered in detail in the troubleshooting pages Bill. Please have a look, do the checks, and if you still have a question, add a comment here. - Moderator)

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