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Campbell Hausfeld CW212201AV-S Air Compressor Pressure Switch 105/140 PSI MDR11
$85.09
Price reduced from
$88.95
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Is the Campbell Hausfeld CW212201AV-S pressure switch compatible with all Campbell Hausfeld compressors?
No. It is designed for specific Campbell Hausfeld compressor models that match its MDR11 configuration, 4-port layout, and 105/140 PSI pressure range. Compatibility must be confirmed using the compressor's original switch specifications.
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Why does my compressor keep running past 140 PSI?
This typically indicates welded internal contacts or a failed pressure sensing mechanism inside the switch. In most cases, the switch needs replacement to restore safe shut-off control.
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Can I replace this Campbell Hausfeld CW212201AV-S pressure switch myself?
It can be replaced with basic mechanical and electrical tools. Always disconnect power and fully release tank pressure before installation, and ensure all tubing and wiring connections match the original setup.
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What is the function of this MDR11 pressure switch?
It automatically controls compressor operation by turning the motor on at 105 PSI and off at 140 PSI, maintaining safe tank pressure levels while ensuring consistent airflow for pneumatic tools.
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