Probably a float switch. Stick a meter on the 2 and turn the pump upside down and right side up. Circuit should close and open.
I have a Willy-Vogel (122 024 510) lubrication pump that I have all intentions on using. I contacted VOGEL an the pump has been discontinued and can not help. Does anyone have a schematic or explanation of how this is wired? There are 2 cables coming out of the unit. One is power (3 conductor) which I am able to trace easily enough and I assume the other is control (2 conductor) or pressure switch, but I don't know for sure. The cable goes into a boot and I don't want to try going into if I don't have too. Any insight of the unit is greatly appreciated.
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Probably a float switch. Stick a meter on the 2 and turn the pump upside down and right side up. Circuit should close and open.