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Old 12-24-2002, 07:05 PM
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Default float switch

Has anyone tried using a float switch from a cheap humidifier? The kind that you mount on the back of your furnace? Seems like this would work pretty good.

Walter
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Old 12-24-2002, 07:42 PM
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That's what I use in my sump and I know a few more people that use them as well.
Make sure you get the black ones that are all plastic.
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Old 12-24-2002, 08:02 PM
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Can you buy just the switch or do you have to buy a humidifier?

Walter
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Old 12-24-2002, 10:54 PM
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Hi .... I think you mean float "valve" ?? Replacement humidifer valves run around $8 or so at Home Depot or Revy.

Float switches are devices which power-on or power-off a device based on a level, and tend to be somewhat expensive (~ $100).
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Old 01-05-2003, 11:26 PM
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whaase,

If you want something real dependable and rated for millions of cycles, get a pressure sensor switch World Magnetics PSF-100A 0.5 in. Can be bought through Digi-Key Canada.

This switch will actuate when sump level raises/lowers 0.5" and contacts are rated for 5 to 30 volts. You'll need a relay to reverse the contact cycle, but they work great.

How do you think the retail top-off units work? (Tsunami - Shhh!!!!!)
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