Craftsman 919.155730 pressure switch issue

2 weeks 2 days ago #3026 by StanLee

I ordered the listed pressure switch for my air compressor (Craftsman model 919.155730) and when it came, it has a female connector. The issue is: so does the compressor.

After researching a bit, it looks like instead of the CAC-4221-1 switch, I need the Z-CAC-4221-3 switch. Did Craftsman change this part at some point without updating the parts list?

Please advise.

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2 weeks 15 hours ago #3030 by skatingtoolman

Add a 1/4" female NPT close pipe coupler as shown below.

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1 week 3 days ago #3038 by StanLee

Since both the switch and compressor have female connectors, I would need to add a 1/4" male NPT close pipe coupler, yes?

The other difference is the Z-CAC-4221-3 switch has the same cuton/off pressure ratings as the switch on the compressor, while the CAC-4221-1 has different ratings.

Can I just exchange the CAC-4221-1 you sent with a Z-CAC-4221-3?

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1 week 3 days ago #3039 by MTR-Admin

Per the mfgr. the Z-CAC-4221-3 is no longer available. When it was, the cost was over $100.
The replacement for the Z-CAC-4221-3 is show on this page below.
If you would like to replace it for this one, you can:
mastertoolrepair.com/pressure-switch-cac-4221-p-32831.html
It does have female threads.

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