See the link below, I simply put a microfit 3.0 connector on these, I figured someone without the crimping tool might want one. From what I read on Amazon, you can change NO/NC by flipping the float. Please see amazon for reviews, I cannot take responsibility for the reliability of the float.
I made three like this, be warned, the leads are 16"
5$ +SH
Amazon product
I made three like this, be warned, the leads are 16"
5$ +SH
Amazon product