Speedaire model 3Z406 doesnt turn off.

by Lou
(long island new york)

3Z406H. unit does not shut off, when switch is thrown to off position it springs back to the on position.


Do you know I can get a replacement switch if cant be fixed?

Comments for Speedaire model 3Z406 doesnt turn off.

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Dec 26, 2018
Speedaire not turning off
by: Jake

I see this problem from time to time. Replace the pressure switch.

Dec 20, 2018
Speedaire model 3Z406
by: Bill

Sure, it does sound as though the spring inside the switch has crapped out.

First source of the pressure switch is Grainger.

Second is to Google Speedaire model 3Z406 pressure switch.

Third is to read the page on this site about how to buy a replacement pressure switch, and it covers the details that you'll need to know.

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