Water Level Switch - Normally Closed - Nptf 1/4" [FOZ] [S45-03]

Capacitive switch for water (opposed to oil or fuel).
Normally closed [normally = room temperature, pressure, dry] [closed = power running, light on, transmitting].

4-Pin connection : Power, Ground, Switch to Power, Switch to Ground

[ Plug kit part # C-K1 $41.20+GST ] Sold separately.