40400 fills well but releases air when it reaches the set pressure limit .

by Bob
(Virginia Beach, VA)

Central Pneumatic 40400 tank label

Central Pneumatic 40400 tank label

My CP 40400 fills well but releases air when it reaches the set pressure limit .


Do I need to replace the pressure switch?

And where can I find one?

Comments for 40400 fills well but releases air when it reaches the set pressure limit .

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Jun 06, 2015
CP 40400 fills releases air
by: Bill

Where is it releasing the air from, Bob?

Is it coming from the pressure switch? Is that why you ask about replacing the pressure switch?

If so, then it's not likely the pressure switch that's the problem, but a leaky tank check valve.

See the page on this site about the tank check valve to determine what it does.

Add a comment here with your findings if you would.

Bill

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