electric hook up for regulator (pressure switch) for compressor

have 240 for compressor but need hook up for regulator to shut off compressor


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Bill says...

Hello Robert.

If what you refer to as the regulator, you expect to turn the compressor on and off, I think what you really mean is the PRESSURE SWITCH.

Please have a look at the pages linked from the site map on Regulators and Pressure Switches.

I don't wire 240 volt, heck, I'm scared of 120 because I know if I'm grounded it will do me.

So, if there are any electricians out there that know how to wire a 240 volt pressure switch, can you help Robert?

Thanks,

Bill

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jbs air wont cutoff.motor ia still trying to run pump

by Steven
(Whitton,nsw,australia)

I have a 3hp jbs twin cylinder air compressor.w

hen build up with the pressure it wont cut out it trys to keep on pumping.

i have replaced the on,off switch and it stil does it.hope you can help me.thnx

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Steven, are you saying that the air compressor runs until the PRV lets go, or are you saying that the air pressure in the tank never reaches the cut out pressure even though the compressor keeps running?

Post your answer as a comment here, please.

Bill

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Diaphragm on pressure switch is leaking.

by Ed
(Indiana)

I have an old red line 14 gallon compressor and the diaphragm is leaking air. I took it off and it looks like dry rot. My question is where could I get the rubber diaphragm, or will a new switch fit my old compressor?

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Bill says...

Ed, I can't tell you if a new switch will fit your old compressor as I can't see what yours looks like.

However, think about what the pressure switch does on your compressor, and ask yourself, can I mechanically or plumbing wise add a different make pressure switch?

A pressure switch just turns power on and off based on the pressure the switch is sensing. Except for toggling the unloader valve, if yours does, those functions can be replicated my many off-the-shelf switches, if you can plumb and wire them.

Bill

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