why won't my evaporative cooler float ever rise enough to turn water off?

Question

We have a fairly new evaporative cooler that the float never rises enough on it's own to intiatiate the automatic water stop. So water rises and overflows on the stand and onto carport. I have to go out every two hours and turn water off at the spigit and then go back out and turn back on. I tried bending it down like the guy at hardware store said, but it still does it. When I raise by hand, water does shut off. it's like water is not strong enough to lift? Do we have to put water in the actual plastic piece? We tried changing to a new float this year, same problem.

Answer 1

yoou don't want any water in the float. If bending didn't do it then maybe gluing some styrofoam to the underside to give it some more lifting power is needed. Otherwise the rubber valve is too hard and will not seat and seal.

Answer 2

Tie another float under the first one. Something to get more flotation response.

You should also consider an overflow outlet tube soyou don't damage the roof.

3rd point. The water line sounds like it may fill too fast, do you have a control valve you can adjust ? Is it a little 1/4 or 1/8 inch water line ?

Answer 3

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Truth is, I've been a carpenter for almost 36 years, and I haven't found anything like this for less than 10's of thousands of dollars.

Answer 4

Get up there and adjust it, It takes a full minute. If there's no adjustment left then bend the rod. If that doesn't work then there's something wrong, like a hole in the bulb(float)

Answer 5

Your previous answers valid but also, a defective/weak seal in the shut off valve (new or not) is common.