Which spot should the wires be on pressure switch
I got a new pressure switch and looks nothing like the old one. the old one only had 2 spots for wire connectors the new one had 3 one on top and the other 2 on the side which spot should my other wire go on onto the top connector or bottom connector of the 2
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Answers & Comments
Test with a continuity tester to see which one is Normally Open (NO) and which is Normally Closed (NC) and which is common. All switches in the world use this nomenclature. Then decide if the old pressure switch turned the system off or turned it on and decide which two of the three terminals to use for your purpose.