Pressure Switch On/Off (x941 stamped on top of switch)
by ray
(syracuse, ny)
Speedaire Model 3Z355H 1 Pressure Switch on/off does not function. Any replacement part available?
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Bill says...Hello Ray. The first thing is to check with Speedaire, if you haven't already done so. See the Speedaire page for details on how to find your local Grainger source.
Then, if that doesn't work, note carefully how your pressure switch interfaces with the unloader valve, note the wiring (plug pulled of course), remove the switch, and take it to your local compressor store. Often pressure switches are made in one of just a few factories, and you might find one that suits.
If not, ask the compressor store where they get their warranty repairs done, and follow up with that source for a new switch.
Cheers,
Bill