The air pressure switch in my furnace has 3 connections, and I need to replace it with an upgraded part which has only 2 connections. 2 of the wires have the same color,Rose, while the third wire is red. Any help how to connect?

No water in pressure tank. I have a swallow well pump 1/2hp changed pressure switch and turned pump on and won't get pressure past 30psi and pressure tank is empty. When I shut pump off it stays @ 30psi but, if you flush toilet or run water the water stops running. The pressure tank is light. If I...

Had no water Friday night. Banged on switch sat morning and it starting working for a few minutes. Changed out switch sat. afternoon work until Monday morning. Now now water and the breaker is tripped. When I wired it up I put the two wires coming from pump one red and the other black on the two...

I have a york furnace P2MD12H06401A after 1 hour it shuts down and gives a 2 flash error for a stuck pressure switch. The switch is new can it be wired wrong? The old one had 2 white wires piggy back and 1 blue wire. The new switch has 3 separate terminals