quickie re: 2ports ?

Rob · 13 Sep 2006

why does the 1'' honeywell 2 ports have a white wire which as far as i know doesnt get used?

thanks!

simond · 13 Sep 2006

It is used as a Xover switch on legacy gravity systems in conjunction with a cyl stat.

Also useful for some circuits in light commercial applications.

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quickie re: 2ports ?

Rob

simond

DIYnot Local

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