Was $3.50 NOW $1.75 each. Gems Sensors 222727. Horizontal/side mount liquid level float switch. Can be used for sensing rising or falling liquid levels (normally open or normally closed) by rotating stem 180°. Hermetically sealed magnet and reed switch for accurate, reliable long-life operation. Integrated 10K ohm NTC thermistor allows monitoring of liquid temperature as well. Threaded 13/16" male Nylon stem. Polypropylene float, 2.4" long from hinge to end. Four 10" leads, two for switch (red) and two for thermistor (green).
Spec sheet available in PDF format.